/* ── Reset & Variables ───────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg-primary:   #212121;
  --bg-secondary: #2f2f2f;
  --bg-hover:     #3a3a3a;
  --bg-active:    #404040;
  --bg-input:     #2f2f2f;
  --bg-sidebar:   #171717;
  --bg-message-user: #2f2f2f;
  --text-primary:  #ececec;
  --text-secondary:#9b9b9b;
  --text-muted:    #6b6b6b;
  --accent:        #10a37f;
  --accent-hover:  #1db98b;
  --accent-rgb:    16, 163, 127;
  --border:        rgba(255,255,255,0.08);
  --border-light:  rgba(255,255,255,0.04);
  --radius-sm:     6px;
  --radius-md:     10px;
  --radius-lg:     16px;
  --radius-xl:     24px;
  --sidebar-width: 260px;
  --font: -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
}

html, body { height: 100%; }

body {
  font-family: var(--font);
  background: var(--bg-primary);
  color: var(--text-primary);
  display: flex;
  overflow: hidden;
  font-size: 16px;
  line-height: 1.6;
}

/* ── Scrollbar ───────────────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.12); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,0.2); }

/* ── Offline-Banner ──────────────────────────────────────────────── */
/* Standardmäßig ausgeblendet; Klasse 'visible' (via app.js) zeigt ihn */
#offline-banner {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 7px 16px;
  background: #92400e;
  color: #fef3c7;
  font-size: 13px;
  font-weight: 500;
  line-height: 1.4;
  text-align: center;
  transform: translateY(-100%);
  transition: transform 0.28s ease;
  box-shadow: 0 2px 8px rgba(0,0,0,0.35);
  pointer-events: none; /* Kein Klick-Blocking – Banner ist rein informativ */
}
#offline-banner.visible {
  transform: translateY(0);
  pointer-events: auto;
}
#offline-banner svg {
  flex-shrink: 0;
  opacity: 0.85;
}

/* Sidebar ─────────────────────────────────────────────────────── */
#sidebar {
  width: var(--sidebar-width);
  min-width: var(--sidebar-width);
  background: var(--bg-sidebar);
  display: flex;
  flex-direction: column;
  height: 100vh;
  overflow: hidden;
  transition: width 0.2s ease, min-width 0.2s ease;
  position: relative;
  z-index: 10;
}

#sidebar.collapsed {
  width: 0;
  min-width: 0;
}

.sidebar-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 12px;
  height: 52px;
  flex-shrink: 0;
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 8px;
}

.sidebar-logo-img {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  object-fit: contain;
}

/* CognexusAI – Dark/Light Logo-Umschaltung */
.sidebar-logo-dark {
  display: none;
}
[data-theme="dark"] .sidebar-logo-light {
  display: none;
}
[data-theme="dark"] .sidebar-logo-dark {
  display: block;
}

.sidebar-logo {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.3px;
  white-space: nowrap;
  overflow: hidden;
}

.icon-btn {
  width: 32px;
  height: 32px;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: background 0.15s, color 0.15s;
}
.icon-btn:hover { background: var(--bg-hover); color: var(--text-primary); }
.icon-btn svg { width: 18px; height: 18px; }

.sidebar-new-chat {
  margin: 0 10px 8px;
  padding: 10px 14px;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 14px;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
  white-space: nowrap;
  overflow: hidden;
}
.sidebar-new-chat:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
  border-color: var(--border);
}
.sidebar-new-chat svg { width: 16px; height: 16px; flex-shrink: 0; }

.sidebar-weekly-recap {
  margin: 0 10px 8px;
  padding: 8px 14px;
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  color: var(--text-muted);
  cursor: pointer;
  font-size: 13px;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: background 0.15s, color 0.15s;
  white-space: nowrap;
  overflow: hidden;
}
.sidebar-weekly-recap:hover {
  background: var(--bg-hover);
  color: var(--text-secondary);
  border-color: var(--border);
}

/* Recap Modal */
.recap-body {
  min-height: 80px;
  max-height: 400px;
  overflow-y: auto;
  line-height: 1.7;
  color: var(--text-primary);
  font-size: 14px;
}
.recap-body p { margin: 0 0 12px; }
.recap-body p:last-child { margin-bottom: 0; }
.recap-loading {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-muted);
  font-size: 13px;
  padding: 20px 0;
}
.recap-spinner {
  width: 16px; height: 16px;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  flex-shrink: 0;
}
@keyframes spin { to { transform: rotate(360deg); } }
.recap-empty {
  color: var(--text-muted);
  text-align: center;
  padding: 24px 0;
  font-size: 13px;
}
.recap-action-btn { font-size: 13px; padding: 7px 14px; }
.recap-action-btn:disabled { opacity: 0.4; cursor: not-allowed; pointer-events: none; }

.sidebar-scroll {
  flex: 1;
  overflow-y: auto;
  padding: 0 0 8px;
}

.sidebar-section {
  margin-top: 4px;
}

.sidebar-section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 12px 4px;
  cursor: pointer;
  user-select: none;
}

.sidebar-section-title {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  white-space: nowrap;
  overflow: hidden;
}

.section-chevron {
  color: var(--text-muted);
  transition: transform 0.2s;
  flex-shrink: 0;
}
.section-chevron.collapsed { transform: rotate(-90deg); }

.sidebar-section-body { overflow: hidden; }
.sidebar-section-body.hidden { display: none; }

.chat-item {
  display: flex;
  align-items: center;
  padding: 6px 10px 6px 12px;
  margin: 1px 6px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  position: relative;
  gap: 8px;
  transition: background 0.15s;
  group: true;
}
.chat-item:hover { background: var(--bg-hover); }
.chat-item.active { background: var(--bg-active); }

.chat-item-icon {
  color: var(--text-muted);
  flex-shrink: 0;
  display: flex;
}
.chat-item-icon svg { width: 14px; height: 14px; }

.chat-item-label {
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  font-size: 14px;
  color: var(--text-primary);
}

.chat-item-actions {
  display: none;
  gap: 2px;
  flex-shrink: 0;
}
.chat-item:hover .chat-item-actions { display: flex; }

.chat-item-action-btn {
  width: 24px;
  height: 24px;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s, color 0.15s;
}
.chat-item-action-btn:hover { background: var(--bg-active); color: var(--text-primary); }
.chat-item-action-btn svg { width: 13px; height: 13px; }

.folder-item {
  display: flex;
  align-items: center;
  padding: 5px 10px 5px 12px;
  margin: 1px 6px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  gap: 8px;
  transition: background 0.15s;
}
.folder-item:hover { background: var(--bg-hover); }

.folder-item-icon { color: var(--text-muted); flex-shrink: 0; }
.folder-item-icon svg { width: 14px; height: 14px; }

.folder-item-label {
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  font-size: 13px;
  color: var(--text-secondary);
}

.folder-chevron {
  color: var(--text-muted);
  transition: transform 0.2s;
  flex-shrink: 0;
}
.folder-chevron.open { transform: rotate(90deg); }

.folder-children { padding-left: 14px; }

.folder-wrapper { margin-bottom: 1px; }

.folder-prompt-indicator {
  color: var(--accent);
  font-size: 8px;
  margin-right: 4px;
}

.pinned-badge {
  font-size: 10px;
  color: var(--accent);
  opacity: 0.7;
  flex-shrink: 0;
}

/* Datums-Trenner in der Chat-Liste */
.chats-date-divider {
  padding: 10px 12px 2px;
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--text-muted);
  user-select: none;
}

/* Trennlinie zwischen angehefteten und normalen Chats */
.chats-pinned-divider {
  height: 1px;
  background: var(--border-light);
  margin: 4px 12px;
}

/* ── Sidebar Bottom ───────────────────────────────────────────────── */
.sidebar-bottom {
  border-top: 1px solid var(--border);
  padding: 8px 10px;
  flex-shrink: 0;
}

.version-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 4px 10px 2px;
  font-size: 11px;
  color: var(--text-muted);
  min-height: 20px;
}
.version-badge {
  display: flex;
  align-items: center;
  gap: 4px;
  white-space: nowrap;
}
.version-badge.current {
  color: var(--text);
  font-weight: 600;
}
.version-badge .version-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  flex-shrink: 0;
}
.version-badge.live .version-dot { background: #4ade80; }
.version-badge.beta .version-dot { background: #f59e0b; }
.version-sep {
  color: var(--border);
}

.sidebar-user {
  display: flex;
  align-items: center;
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  gap: 10px;
  transition: background 0.15s;
}
.sidebar-user:hover { background: var(--bg-hover); }

.user-avatar {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
  color: #fff;
  flex-shrink: 0;
}

.user-name {
  flex: 1;
  font-size: 14px;
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ── Main Area ───────────────────────────────────────────────────── */
#main {
  flex: 1;
  display: flex;
  flex-direction: column;
  height: 100vh;
  overflow: hidden;
  background: var(--bg-primary);
}

/* ── Header ──────────────────────────────────────────────────────── */
#header {
  height: 52px;
  display: flex;
  align-items: center;
  padding: 0 12px;
  gap: 8px;
  flex-shrink: 0;
  border-bottom: 1px solid var(--border-light);
}

/* Header-Modell-Button: global ausgeblendet – Modellauswahl liegt jetzt
   im Composer (composer-model-btn), konsistent auf Desktop + Mobile      */
#model-selector-btn {
  display: none;
}

.model-selector {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  border-radius: var(--radius-md);
  border: none;
  background: transparent;
  color: var(--text-primary);
  cursor: pointer;
  font-size: 15px;
  font-weight: 600;
  transition: background 0.15s;
  font-family: var(--font);
}
.model-selector:hover { background: var(--bg-hover); }
.model-selector svg { width: 16px; height: 16px; color: var(--text-secondary); }

.header-right {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 4px;
}

/* ── Model Dropdown ───────────────────────────────────────────────── */
.dropdown-overlay {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: none;
}
.dropdown-overlay.open { display: block; }

.dropdown-menu {
  position: fixed; /* fixed statt absolute – unabhängig von scroll-Containern */
  top: auto;
  bottom: 120px; /* Fallback, wird via JS überschrieben */
  left: 12px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 6px;
  min-width: 280px;
  max-height: calc(100vh - 80px);
  overflow-y: auto;
  z-index: 101;
  display: none;
  box-shadow: 0 8px 24px rgba(0,0,0,0.4);
}
.dropdown-menu.open {
  display: block;
  animation: slideUpFade 0.16s ease;
}

@keyframes slideUpFade {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}

.dropdown-item {
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 14px;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 8px;
  transition: background 0.15s;
}
.dropdown-item:hover { background: var(--bg-hover); }
.dropdown-item.active { color: var(--accent); }
.dropdown-item .check { width: 16px; flex-shrink: 0; }

.dropdown-label {
  font-size: 11px;
  color: var(--text-muted);
  padding: 4px 10px 2px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.dropdown-divider {
  height: 1px;
  background: var(--border);
  margin: 4px 0;
}

/* ── Messages area ───────────────────────────────────────────────── */
#messages-wrapper {
  flex: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  position: relative;
}

#messages {
  flex: 1;
  max-width: 760px;
  width: 100%;
  margin: 0 auto;
  padding: 24px 20px 0;
}

/* ── Welcome screen ──────────────────────────────────────────────── */
#welcome {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 24px;
  padding: 40px 20px;
  max-width: 680px;
  margin: 0 auto;
  width: 100%;
}

.welcome-title {
  font-size: 28px;
  font-weight: 600;
  color: var(--text-primary);
  text-align: center;
  letter-spacing: -0.5px;
}

.welcome-subtitle {
  font-size: 15px;
  color: var(--text-secondary);
  text-align: center;
}

.welcome-logo-container {
  display: flex;
  justify-content: center;
  margin-bottom: 4px;
}

.welcome-logo {
  width: 360px;
  height: 360px;
  object-fit: contain;
  transition: transform 0.3s ease;
}

.welcome-logo:hover {
  transform: scale(1.05);
}

/* CognexusAI – Dark/Light Welcome-Logo-Umschaltung */
.welcome-logo-dark {
  display: none;
}
[data-theme="dark"] .welcome-logo-light {
  display: none;
}
[data-theme="dark"] .welcome-logo-dark {
  display: block;
}

.welcome-suggestions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  width: 100%;
  max-width: 500px;
}

.suggestion-card {
  padding: 14px 16px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  cursor: pointer;
  font-size: 13px;
  color: var(--text-secondary);
  transition: background 0.15s, border-color 0.15s, color 0.15s;
  line-height: 1.4;
}
.suggestion-card:hover {
  background: var(--bg-hover);
  border-color: rgba(255,255,255,0.15);
  color: var(--text-primary);
}

/* Neue mobile-friendly Welcome Styles */
.welcome-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.welcome-greeting {
  font-size: 32px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
  letter-spacing: -1px;
}

.suggestion-icon {
  font-size: 16px;
  margin-right: 8px;
  flex-shrink: 0;
}

.suggestion-text {
  line-height: 1.4;
}

.suggestion-card {
  display: flex;
  align-items: center;
}

/* ── Message bubbles ─────────────────────────────────────────────── */
.message {
  display: flex;
  gap: 12px;
  margin-bottom: 20px;
  animation: fadeIn 0.2s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}

.message-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 2px;
}

.message.user .message-avatar {
  background: var(--accent);
  color: #fff;
}
/* Doppelklick-Hint für User-Nachrichten */
.message.user .message-text { cursor: text; }
/* Edit-Modus: Rahmen um den gesamten Content-Bereich */
.message--editing .message-content {
  outline: 2px solid var(--accent);
  border-radius: var(--radius-sm);
  padding: 4px;
}
.inline-edit-textarea {
  width: 100%;
  background: var(--bg-primary);
  border: 1px solid var(--accent);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 14px;
  font-family: var(--font);
  padding: 8px;
  resize: vertical;
  outline: none;
  line-height: 1.5;
  min-height: 60px;
  box-sizing: border-box;
}
.inline-edit-actions { display: flex; gap: 8px; margin-top: 6px; }

.message.assistant .message-avatar {
  background: var(--bg-secondary);
  color: var(--text-primary);
  border: 1px solid var(--border);
}

.message-content {
  flex: 1;
  min-width: 0;
}

.message-name {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 4px;
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.message-ts {
  font-size: 11px;
  font-weight: 400;
  color: var(--text-muted);
  flex-shrink: 0;
}

.message-text {
  color: var(--text-primary);
  font-size: 17px;
  line-height: 1.7;
  word-break: break-word;
}

/* Während des Streams: blinkender Cursor als Pseudo-Element */
.message-text.streaming {
  white-space: pre-wrap;
}
.message-text.streaming::after {
  content: '▋';
  display: inline-block;
  animation: stream-cursor-blink 1s step-end infinite;
  color: var(--accent);
  margin-left: 1px;
}

@keyframes stream-cursor-blink {
  50% { opacity: 0; }
}

/* Verhindern, dass Paragraphen zu nah aneinander kleben */
.message-text p { 
  margin-bottom: 16px;
  margin-top: 12px;
}

.message-text p:first-child {
  margin-top: 0;
}

.message-text p:last-child {
  margin-bottom: 0;
}

/* Verbesserte Überschriften-Formatierung */
.message-text h1, .message-text h2, .message-text h3, .message-text h4 {
  margin-bottom: 12px;
  margin-top: 24px;
  font-weight: 600;
  line-height: 1.3;
}

.message-text h1:first-child, 
.message-text h2:first-child, 
.message-text h3:first-child, 
.message-text h4:first-child {
  margin-top: 0;
}

.message-text h1 { 
  font-size: 1.4em; 
  border-bottom: 1px solid var(--border);
  padding-bottom: 8px;
}

.message-text h2 { 
  font-size: 1.2em; 
  color: var(--text-secondary);
}

.message-text h3 { 
  font-size: 1.05em; 
}

.message-text h4 { 
  font-size: 1em; 
  font-weight: 500;
}

/* Bessere Listen-Formatierung */
.message-text ul, .message-text ol {
  padding-left: 24px;
  margin-bottom: 16px;
  margin-top: 12px;
}

.message-text ul li, .message-text ol li {
  margin-bottom: 8px;
  line-height: 1.5;
}

/* Verbesserte Listen-Nummerierung - Verwende Standard-Nummerierung statt Custom-Counter */
.message-text ol {
  padding-left: 24px;
  margin-bottom: 16px;
  margin-top: 12px;
}

.message-text ol > li {
  margin-bottom: 8px;
  line-height: 1.5;
}

/* Entferne den Custom-Counter - verwende normale CSS-Nummerierung */
.message-text ol {
  list-style-type: decimal;
}

/* Entferne das ::before-Pseudo-Element für geordnete Listen */
.message-text ol > li::before {
  content: none;
}

/* Für ungeordnete Listen */
.message-text ul {
  padding-left: 24px;
  margin-bottom: 16px;
  margin-top: 12px;
}

.message-text ul > li {
  margin-bottom: 8px;
  line-height: 1.5;
  list-style: disc;
}

.message-text ul > li::marker {
  color: var(--text-secondary);
}

/* Blockquote Styling */
.message-text blockquote {
  border-left: 3px solid var(--accent);
  padding: 8px 12px;
  padding-left: 16px;
  color: var(--text-secondary);
  margin: 16px 0;
  background: rgba(255,255,255,0.03);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.message-text blockquote p {
  margin: 8px 0;
}

.message-text blockquote p:first-child {
  margin-top: 0;
}

.message-text blockquote p:last-child {
  margin-bottom: 0;
}

/* Inline Code */
.message-text code {
  font-family: 'Cascadia Code', 'Fira Code', 'Consolas', monospace;
  font-size: 0.9em;
}

.message-text p code {
  background: rgba(255,255,255,0.08);
  padding: 2px 6px;
  border-radius: 4px;
  word-break: break-word;
}

/* Code Blocks */
.message-text pre {
  background: var(--bg-sidebar);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  overflow-x: auto;
  margin: 16px 0;
  font-size: 13px;
  line-height: 1.5;
}

/* Tables - Verbessert für Markdown-Tabellen */
.message-text table {
  border-collapse: collapse;
  width: 100%;
  margin: 20px 0;
  font-size: 13px;
  background: rgba(255,255,255,0.02);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.message-text thead {
  background: var(--bg-secondary);
}

.message-text th, .message-text td {
  border: 1px solid var(--border);
  padding: 10px 12px;
  text-align: left;
  vertical-align: top;
}

.message-text th { 
  font-weight: 600; 
  color: var(--text-primary);
}

.message-text td {
  color: var(--text-secondary);
}

.message-text tbody tr:nth-child(even) {
  background: rgba(255,255,255,0.02);
}

.message-text tbody tr:hover {
  background: rgba(255,255,255,0.04);
}

.message-text tbody tr:last-child td:first-child {
  border-bottom-left-radius: var(--radius-sm);
}

.message-text tbody tr:last-child td:last-child {
  border-bottom-right-radius: var(--radius-sm);
}

/* Zeilenumbrüche in Tabellenzellen */
.message-text td br {
  line-height: 1.6;
}

/* Links */
.message-text a { 
  color: var(--accent); 
  text-decoration: none; 
}

.message-text a:hover { 
  text-decoration: underline; 
}

/* Horizontal Rule */
.message-text hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 20px 0;
}

/* Bold & Strong Text */
.message-text strong {
  font-weight: 600;
  color: var(--text-primary);
}

/* Italic Text */
.message-text em {
  font-style: italic;
}

/* Strikethrough */
.message-text del {
  text-decoration: line-through;
  opacity: 0.6;
}

.message-actions {
  display: flex;
  gap: 4px;
  margin-top: 8px;
  opacity: 0;
  transition: opacity 0.15s;
}
.message:hover .message-actions { opacity: 1; }

.msg-action-btn {
  width: 28px;
  height: 28px;
  border: none;
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s, color 0.15s;
}
.msg-action-btn:hover { background: var(--bg-hover); color: var(--text-primary); }
.msg-action-btn svg { width: 14px; height: 14px; }

/* ── Branch-Button (Von hier verzweigen) ─────────────────────────── */
/* Hover-Akzentfarbe in Grün, passend zum restlichen Akzentschema,
   um die Branch-Aktion visuell von Kopieren/Bearbeiten/Regenerieren
   abzuheben. Die Farbe ist identisch mit var(--accent) (#10a37f). */
.msg-action-btn.branch-btn:hover {
  color: var(--accent);
  background: rgba(16, 163, 127, 0.12);
}

/* ── Branch-Badge im Sidebar-Chat-Item ───────────────────────────── */
/* Kleines, dezentes Verzweigungssymbol rechts neben dem Chat-Titel.
   Erscheint ausschließlich bei Chats mit `branchedFrom`-Metadaten.
   Kein emoji — reines SVG-Icon, um Konsistenz mit dem übrigen Design
   zu wahren. */
.branch-badge {
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
  color: var(--accent);
  opacity: 0.75;
  margin-left: 2px;
}
.branch-badge svg {
  width: 10px;
  height: 10px;
}

/* ── Branch-Herkunftshinweis im Chat-Header ──────────────────────── */
/* Schmaler Info-Banner unterhalb des Titels im Nachrichten-Header,
   der den Ursprungs-Chat nennt. Erscheint nur bei verzweigten Chats
   und ist bewusst klein und dezent gehalten (sekundäre Information). */
.branch-origin-banner {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px 4px 16px;
  font-size: 11px;
  color: var(--text-muted);
  background: rgba(16, 163, 127, 0.06);
  border-left: 2px solid var(--accent);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin: 0 0 8px 0;
  max-width: max-content;
}
.branch-origin-banner svg {
  width: 11px;
  height: 11px;
  color: var(--accent);
  flex-shrink: 0;
}
.branch-origin-banner .branch-origin-link {
  color: var(--accent);
  cursor: pointer;
  text-decoration: none;
  font-weight: 500;
}
.branch-origin-banner .branch-origin-link:hover {
  text-decoration: underline;
}

/* ── Branch-Indikator im Original-Chat (Sidebar) ─────────────────── */
/* Zeigt an, wie viele Branches vom Original-Chat existieren.
   Erscheint nur wenn liveBranches.length > 0 (defensive Filterung gegen
   durch cleanupArchivedChats entfernte Einträge). */
.chat-branches-indicator {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  font-size: 10px;
  color: var(--accent);
  opacity: 0.85;
  cursor: pointer;
  flex-shrink: 0;
  position: relative;
  padding: 0 4px;
  border-radius: 8px;
}
.chat-branches-indicator:hover {
  opacity: 1;
  background: rgba(var(--accent-rgb, 100, 100, 255), 0.1);
}
.chat-branches-indicator svg {
  width: 10px;
  height: 10px;
}
.chat-branches-count {
  font-size: 10px;
  font-weight: 600;
}
.chat-branches-dropdown {
  display: none;
  position: absolute;
  left: 0;
  bottom: calc(100% + 4px);
  z-index: 50;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-md, 8px);
  min-width: 180px;
  max-width: 260px;
  padding: 4px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.3);
  pointer-events: auto;
}
.chat-branches-dropdown.open {
  display: block;
}
.chat-branches-dropdown-item {
  padding: 6px 8px;
  font-size: 12px;
  cursor: pointer;
  border-radius: 4px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  color: var(--text-primary);
}
.chat-branches-dropdown-item:hover {
  background: var(--bg-hover, rgba(128,128,128,0.1));
}

/* Typing indicator (legacy) */
.typing-dots {
  display: flex;
  gap: 4px;
  padding: 6px 0;
}
.typing-dots span {
  width: 7px;
  height: 7px;
  background: var(--text-muted);
  border-radius: 50%;
  animation: blink 1.2s infinite;
}
.typing-dots span:nth-child(2) { animation-delay: 0.2s; }
.typing-dots span:nth-child(3) { animation-delay: 0.4s; }

@keyframes blink {
  0%, 80%, 100% { opacity: 0.2; transform: scale(0.8); }
  40%            { opacity: 1;   transform: scale(1); }
}

/* ── Generating indicator ───────────────────────────────────────── */
.message-generating {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 4px 0 8px;
  color: var(--text-muted);
  font-size: 13px;
}

.generating-dots {
  display: flex;
  gap: 4px;
  align-items: center;
}
.generating-dots span {
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
  animation: gen-bounce 1.4s ease-in-out infinite;
  opacity: 0.7;
}
.generating-dots span:nth-child(1) { animation-delay: 0s; }
.generating-dots span:nth-child(2) { animation-delay: 0.18s; }
.generating-dots span:nth-child(3) { animation-delay: 0.36s; }

@keyframes gen-bounce {
  0%, 60%, 100% { transform: translateY(0); opacity: 0.4; }
  30%            { transform: translateY(-5px); opacity: 1; }
}

.generating-label {
  font-size: 12px;
  color: var(--text-muted);
  letter-spacing: 0.01em;
}
/* Kompakteres Padding wenn nur noch der Speed-Text läuft (.streaming-Klasse per JS) */
.message-generating.streaming {
  padding: 2px 0 6px;
  opacity: 0.75;
}

/* ── Stream cursor ──────────────────────────────────────────────── */
.stream-cursor {
  display: inline-block;
  width: 2px;
  height: 1em;
  background: var(--accent);
  margin-left: 1px;
  vertical-align: text-bottom;
  border-radius: 1px;
  animation: cursor-blink 0.8s step-end infinite;
}

@keyframes cursor-blink {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0; }
}

/* Thinking section: aktiv-Zustand während Stream */
.message-thinking-section.active .thinking-label::after {
  content: '';
  display: inline-block;
  width: 4px;
  height: 4px;
  background: var(--accent);
  border-radius: 50%;
  margin-left: 6px;
  vertical-align: middle;
  animation: blink 1s ease-in-out infinite;
}

/* ── Composer ────────────────────────────────────────────────────── */
#composer-wrapper {
  padding: 12px 16px 20px;
  flex-shrink: 0;
}

#composer {
  max-width: 760px;
  margin: 0 auto;
}

.composer-box {
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  display: flex;
  flex-direction: column;
  transition: border-color 0.2s;
}
.composer-box:focus-within {
  border-color: rgba(255,255,255,0.2);
}

.composer-textarea-row {
  display: flex;
  align-items: flex-end;
  padding: 12px 16px 0;
  gap: 10px;
}

#input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: var(--text-primary);
  font-size: 17px;
  font-family: var(--font);
  resize: none;
  line-height: 1.6;
  max-height: 200px;
  min-height: 24px;
  overflow-y: auto;
}
#input::placeholder { color: var(--text-muted); }

.composer-bottom-row {
  display: flex;
  align-items: center;
  padding: 8px 12px 12px;
  gap: 6px;
}

/* ── Composer Model Button (Gemini-Style – Desktop + Mobile) ─────── */
/* Desktop + Mobile: immer sichtbar im Composer */
.composer-model-btn {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 5px 10px;
  border-radius: 20px;
  border: 1px solid var(--border);
  background: var(--bg-secondary);
  color: var(--text-primary);
  cursor: pointer;
  font-size: 13px;
  font-weight: 600;
  font-family: var(--font);
  white-space: nowrap;
  overflow: hidden;
  max-width: 180px;
  transition: background 0.15s, border-color 0.15s, transform 0.1s;
  flex-shrink: 0;
  min-height: 32px; /* Desktop: kompakteres Touch-Target */
  min-width: 44px;
}
.composer-model-btn:active {
  transform: scale(0.97); /* haptisches Desktop-Feedback */
}
.composer-model-btn:hover,
.composer-model-btn:focus-visible {
  background: var(--bg-hover);
  border-color: rgba(255,255,255,0.2);
}
.composer-model-btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}
.composer-model-label {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 110px;
}
.composer-model-badge {
  font-size: 10px;
  font-weight: 700;
  padding: 1px 5px;
  border-radius: 4px;
  background: var(--accent);
  color: #fff;
  flex-shrink: 0;
  display: none; /* wird per JS gesetzt wenn Badge sichtbar */
  text-transform: uppercase;
  letter-spacing: 0.3px;
}
.composer-model-badge.visible {
  display: inline-block;
}

.composer-attach-btn {
  width: 32px;
  height: 32px;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s, color 0.15s;
}
.composer-attach-btn:hover { background: var(--bg-hover); color: var(--text-primary); }
.composer-attach-btn svg { width: 16px; height: 16px; }

/* ── Attachment previews ─────────────────────────────────────────── */
#attachment-preview-row {
  display: none;
  flex-wrap: wrap;
  gap: 8px;
  padding: 10px 16px 0;
}
#attachment-preview-row.has-items { display: flex; }

.attachment-chip {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 4px 8px 4px 6px;
  font-size: 12px;
  color: var(--text-secondary);
  max-width: 200px;
  position: relative;
}
.attachment-chip-icon { flex-shrink: 0; color: var(--accent); }
.attachment-chip-icon svg { width: 14px; height: 14px; }
.attachment-chip-name {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  flex: 1;
}
.attachment-chip-remove {
  width: 16px;
  height: 16px;
  border: none;
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  border-radius: 3px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  padding: 0;
  transition: color 0.15s;
}
.attachment-chip-remove:hover { color: #f87171; }
.attachment-chip-remove svg { width: 12px; height: 12px; }

.attachment-chip.image-chip { padding: 4px; gap: 0; background: transparent; border: none; }
.attachment-chip.image-chip img {
  width: 60px;
  height: 60px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  display: block;
}
.attachment-chip.image-chip .attachment-chip-remove {
  position: absolute;
  top: -6px;
  right: -6px;
  width: 18px;
  height: 18px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 50%;
  color: var(--text-secondary);
}
.attachment-chip.image-chip .attachment-chip-remove:hover { color: #f87171; background: var(--bg-hover); }

/* Images in messages */
.message-image {
  max-width: 340px;
  max-height: 280px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  margin-bottom: 8px;
  display: block;
  cursor: zoom-in;
}
.message-file-ref {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 5px 10px;
  font-size: 12px;
  color: var(--text-secondary);
  margin-bottom: 8px;
}
.message-file-ref svg { width: 14px; height: 14px; color: var(--accent); }
.message-doc-ref { border-left: 2px solid var(--accent); padding-left: 6px; }
.doc-chunk-badge {
  font-size: 10px;
  padding: 1px 5px;
  border-radius: 8px;
  background: var(--accent);
  color: #fff;
  opacity: 0.8;
  white-space: nowrap;
}

/* Document-chip (chunked file) */
.attachment-chip.document-chip { border-color: var(--accent); }
.attachment-chip-meta {
  font-size: 10px;
  color: var(--text-muted);
  white-space: nowrap;
  flex-shrink: 0;
}

.composer-spacer { flex: 1; }

#stop-btn {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 2px solid var(--text-secondary);
  background: transparent;
  color: var(--text-primary);
  cursor: pointer;
  display: none;
  align-items: center;
  justify-content: center;
  transition: background 0.15s, border-color 0.15s;
}
#stop-btn:hover { background: var(--bg-hover); border-color: var(--text-primary); }
#stop-btn.visible { display: flex; }
#stop-btn svg { width: 14px; height: 14px; }

#send-btn {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: none;
  background: var(--text-primary);
  color: var(--bg-primary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s, opacity 0.15s;
  opacity: 0.3;
}
#send-btn:not(:disabled) { opacity: 1; }
#send-btn:disabled { cursor: default; opacity: 0.3; }
#send-btn:not(:disabled):hover { background: #ececec; }
#send-btn svg { width: 16px; height: 16px; }

.composer-hint {
  text-align: center;
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 8px;
}

/* ── Composer Live-Kostenanzeige ─────────────────────────────────── */
#composer-cost-display {
  display: none;
  align-items: center;
  position: relative;
  font-size: 11px;
  color: var(--text-muted);
  cursor: default;
  padding: 0 6px;
  height: 28px;
  border-radius: 14px;
  white-space: nowrap;
  user-select: none;
  flex-shrink: 0;
}
#composer-cost-display.has-cost {
  display: flex;
}
#composer-cost-display:hover {
  background: rgba(128,128,128,0.08);
}
.composer-cost-tooltip {
  display: none;
  flex-direction: column;
  gap: 4px;
  position: absolute;
  bottom: calc(100% + 8px);
  left: 0;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-md, 8px);
  padding: 8px 10px;
  min-width: 200px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.3);
  z-index: 100;
  font-size: 12px;
  white-space: nowrap;
  pointer-events: none;
}
#composer-cost-display:hover .composer-cost-tooltip,
.composer-cost-tooltip.visible {
  display: flex;
}
.composer-cost-tooltip-row {
  display: flex;
  justify-content: space-between;
  gap: 16px;
}
.composer-cost-tooltip-label {
  color: var(--text-muted);
}
.composer-cost-tooltip-divider {
  height: 1px;
  background: var(--border);
  margin: 2px 0;
}
.composer-cost-tooltip-total {
  font-weight: 600;
}

/* ── Context menu ────────────────────────────────────────────────── */
.context-menu {
  position: fixed;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 4px;
  min-width: 160px;
  z-index: 200;
  box-shadow: 0 8px 24px rgba(0,0,0,0.5);
  display: none;
}
.context-menu.open { display: block; }

.context-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 13px;
  color: var(--text-primary);
  transition: background 0.15s;
}
.context-item:hover { background: var(--bg-hover); }
.context-item.danger { color: #f87171; }
.context-item.danger:hover { background: rgba(248,113,113,0.1); }
.context-item svg { width: 14px; height: 14px; }
.context-divider { height: 1px; background: var(--border); margin: 4px 0; }

/* ── Modal ───────────────────────────────────────────────────────── */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  z-index: 300;
  display: none;
  align-items: center;
  justify-content: center;
}
.modal-backdrop.open { display: flex; }

.modal {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  min-width: 320px;
  max-width: 440px;
  width: 90%;
  box-shadow: 0 16px 48px rgba(0,0,0,0.5);
}

.modal-title {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 16px;
}

.modal-input {
  width: 100%;
  padding: 10px 12px;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 14px;
  font-family: var(--font);
  outline: none;
  margin-bottom: 16px;
  transition: border-color 0.2s;
}
.modal-input:focus { border-color: var(--accent); }

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
}

/* ── Keyboard Shortcuts Overlay ─────────────────────────────────── */
.shortcuts-modal {
  max-width: 520px;
  width: 92%;
  padding: 20px 24px 24px;
}

.shortcuts-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.shortcuts-modal-header .modal-title {
  margin-bottom: 0;
}

.shortcuts-modal-close {
  padding: 4px 8px;
  font-size: 15px;
  line-height: 1;
  color: var(--text-muted);
}

.shortcuts-section {
  margin-bottom: 20px;
}

.shortcuts-section:last-child {
  margin-bottom: 0;
}

.shortcuts-section-title {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 8px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--border-light);
}

.shortcut-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 7px 0;
  gap: 16px;
}

.shortcut-item + .shortcut-item {
  border-top: 1px solid var(--border-light);
}

.shortcut-desc {
  font-size: 14px;
  color: var(--text-secondary);
}

.shortcut-keys {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-shrink: 0;
  font-size: 12px;
  color: var(--text-muted);
}

.shortcut-keys kbd {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 26px;
  padding: 2px 7px;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: 5px;
  font-family: var(--font);
  font-size: 12px;
  font-weight: 500;
  color: var(--text-primary);
  box-shadow: 0 1px 0 var(--border);
  white-space: nowrap;
}

.btn {
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  border: none;
  font-size: 13px;
  font-family: var(--font);
  cursor: pointer;
  transition: background 0.15s;
}
.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border);
}
.btn-ghost:hover { background: var(--bg-hover); color: var(--text-primary); }
.btn-primary {
  background: var(--accent);
  color: #fff;
}
.btn-primary:hover { background: var(--accent-hover); }
.btn-danger {
  background: #dc2626;
  color: #fff;
}
.btn-danger:hover { background: #ef4444; }

/* ── Toast ───────────────────────────────────────────────────────── */
#toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 10px 18px;
  font-size: 13px;
  color: var(--text-primary);
  z-index: 500;
  opacity: 0;
  transition: opacity 0.2s, transform 0.2s;
  pointer-events: auto;
  white-space: nowrap;
  box-shadow: 0 8px 24px rgba(0,0,0,0.4);
}

#toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

#toast[style*="cursor: pointer"]:hover {
  background: var(--bg-hover);
  border-color: var(--accent);
}

/* ── Modell-Empfehlungs-Toast (Aktions-Buttons) ──────────────────── */
#toast:has(.rec-toast-msg) {
  white-space: normal;
  padding: 10px 14px;
  min-width: 260px;
  max-width: 360px;
}

.rec-toast-msg {
  font-size: 13px;
  margin-bottom: 8px;
  line-height: 1.4;
}

.rec-toast-actions {
  display: flex;
  gap: 6px;
}

.rec-btn {
  flex: 1;
  padding: 5px 8px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  font-size: 12px;
  cursor: pointer;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  transition: background 0.15s, border-color 0.15s;
}

.rec-btn-recommended {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
  font-weight: 600;
}

.rec-btn-recommended:hover {
  filter: brightness(1.15);
}

.rec-btn-current {
  background: var(--bg-tertiary);
  color: var(--text-secondary);
}

.rec-btn-current:hover {
  background: var(--bg-hover);
  border-color: var(--text-secondary);
  color: var(--text-primary);
}

/* ── Folder color dots ───────────────────────────────────────────── */
.color-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}

/* ── Settings ────────────────────────────────────────────────────── */
.settings-tab {
  padding: 8px 14px;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 13px;
  font-family: var(--font);
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  transition: color 0.15s, border-color 0.15s;
}
.settings-tab:hover { color: var(--text-primary); }
.settings-tab.active { color: var(--text-primary); border-bottom-color: var(--accent); }

/* Settings modal: scrollable panels, fixed header/tabs/footer */
#settings-modal .modal {
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.settings-panel {
  overflow-y: auto;
  flex: 1;
  min-height: 0;
  scrollbar-width: thin;
  scrollbar-color: var(--border) transparent;
  padding-right: 4px;
}
.settings-panel::-webkit-scrollbar {
  width: 6px;
}
.settings-panel::-webkit-scrollbar-track {
  background: transparent;
}
.settings-panel::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 3px;
}
.settings-panel::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

.settings-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 10px 0;
  border-bottom: 1px solid var(--border-light);
}
.settings-row:last-child { border-bottom: none; }

.settings-label { flex: 1; min-width: 0; }
.settings-label-title { font-size: 13px; font-weight: 500; color: var(--text-primary); }
.settings-label-desc { font-size: 12px; color: var(--text-muted); margin-top: 2px; }

/* Toggle switch */
.toggle-switch { position: relative; display: inline-block; width: 40px; height: 22px; flex-shrink: 0; }
.toggle-switch input { opacity: 0; width: 0; height: 0; }
.toggle-slider {
  position: absolute; inset: 0;
  background: var(--bg-hover);
  border-radius: 22px;
  cursor: pointer;
  transition: background 0.2s;
  border: 1px solid var(--border);
}
.toggle-slider::before {
  content: '';
  position: absolute;
  width: 16px; height: 16px;
  left: 2px; top: 2px;
  background: var(--text-secondary);
  border-radius: 50%;
  transition: transform 0.2s, background 0.2s;
}
.toggle-switch input:checked + .toggle-slider { background: var(--accent); border-color: var(--accent); }
.toggle-switch input:checked + .toggle-slider::before { transform: translateX(18px); background: #fff; }

/* Model tag */
.model-tag {
  padding: 4px 10px;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: 20px;
  font-size: 12px;
  color: var(--text-secondary);
  white-space: nowrap;
  flex-shrink: 0;
}

/* Scrollbare Modellliste in den Einstellungen */
#settings-models-list {
  scrollbar-width: thin;
  scrollbar-color: rgba(255,255,255,0.12) transparent;
}

/* ── Datums-Navigation ───────────────────────────────────────────── */
#date-nav {
  flex-shrink: 0;
  border-bottom: 1px solid var(--border-light);
  background: var(--bg-primary);
  position: sticky;
  top: 0;
  z-index: 20;
}

#date-nav-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  padding: 0 16px;
}
#date-nav-scroll::-webkit-scrollbar { display: none; }

#date-nav-chips {
  display: flex;
  gap: 6px;
  padding: 8px 0;
  width: max-content;
  min-width: 100%;
}

.date-chip {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 5px 12px;
  border-radius: 20px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-secondary);
  font-size: 12px;
  font-weight: 500;
  font-family: var(--font);
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
  flex-shrink: 0;
}
.date-chip:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
  border-color: rgba(255,255,255,0.15);
}
.date-chip.active {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
  font-weight: 600;
}
.date-chip-count {
  opacity: 0.7;
  font-size: 11px;
  font-weight: 400;
}
.date-chip.active .date-chip-count { opacity: 0.85; }

/* Datums-Trennlinie zwischen Nachrichtengruppen */
.date-divider {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 40px 0 24px;
  user-select: none;
  position: relative;
}
/* Erster Divider direkt am Anfang braucht keinen großen Abstand nach oben */
.date-divider:first-child {
  margin-top: 8px;
}
.date-divider::before,
.date-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}
.date-divider-label {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-secondary);
  letter-spacing: 0.5px;
  text-transform: uppercase;
  white-space: nowrap;
  padding: 4px 14px;
  border: 1px solid var(--border);
  border-radius: 20px;
  background: var(--bg-secondary);
}

/* ── Summary Banner ─────────────────────────────────────────────── */
.summary-banner {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  background: rgba(16,163,127,0.08);
  border: 1px solid rgba(16,163,127,0.25);
  border-radius: var(--radius-md);
  padding: 10px 14px;
  margin-bottom: 20px;
  font-size: 13px;
  color: var(--text-secondary);
}
.summary-banner svg { flex-shrink: 0; color: var(--accent); margin-top: 2px; }

/* ── Memory Modal ────────────────────────────────────────────────── */
#global-memory-list, #chat-memory-list {
  max-height: 300px;
  overflow-y: auto;
  padding-right: 4px;
  margin-bottom: 12px;
}

.memory-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 0;
  border-bottom: 1px solid var(--border-light);
  font-size: 13px;
  color: var(--text-secondary);
}
.memory-item:last-child { border-bottom: none; }
.memory-item-text { flex: 1; }
.memory-item-delete {
  width: 24px; height: 24px;
  border: none; background: transparent;
  color: var(--text-muted); cursor: pointer;
  border-radius: 4px; display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.memory-item-delete:hover { color: #f87171; background: rgba(248,113,113,0.1); }
.memory-item-delete svg { width: 13px; height: 13px; }

/* ── Memory Editor – Edit & Confirm states ───────────────────────── */
.memory-item-text {
  flex: 1;
  cursor: text;
  border-bottom: 1px solid transparent;
  transition: border-color 0.15s;
  padding-bottom: 1px;
}
.memory-item-text:hover { border-bottom-color: var(--border); }
.memory-item-age {
  display: inline-block;
  margin-left: 8px;
  font-size: 11px;
  color: var(--text-muted);
  font-style: italic;
}
.memory-item-edit-input {
  flex: 1;
  padding: 4px 8px;
  background: var(--bg-primary);
  border: 1px solid var(--accent);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 13px;
  font-family: var(--font);
  outline: none;
  min-width: 0;
}
.memory-item-char-count {
  font-size: 11px;
  color: var(--text-muted);
  flex-shrink: 0;
  min-width: 36px;
  text-align: right;
}
.memory-item-char-count.over { color: #f87171; }
.memory-item-save {
  width: 24px; height: 24px;
  border: none; background: transparent;
  color: var(--accent); cursor: pointer;
  border-radius: 4px; display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.memory-item-save:hover { background: rgba(99,102,241,0.15); }
.memory-item-save:disabled { color: var(--text-muted); cursor: default; }
.memory-item-save:disabled:hover { background: transparent; }
.memory-item-save svg { width: 13px; height: 13px; }
.memory-item-cancel {
  width: 24px; height: 24px;
  border: none; background: transparent;
  color: var(--text-muted); cursor: pointer;
  border-radius: 4px; display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.memory-item-cancel:hover { color: var(--text-primary); background: rgba(255,255,255,0.06); }
.memory-item-cancel svg { width: 13px; height: 13px; }
.memory-item-confirm-label {
  font-size: 12px; color: #f87171; flex-shrink: 0; white-space: nowrap;
}
.memory-item-confirm-yes {
  padding: 2px 8px; font-size: 12px; font-family: var(--font);
  background: rgba(248,113,113,0.15); border: 1px solid rgba(248,113,113,0.4);
  color: #f87171; border-radius: var(--radius-sm); cursor: pointer; flex-shrink: 0;
}
.memory-item-confirm-yes:hover { background: rgba(248,113,113,0.3); }
.memory-item-confirm-no {
  padding: 2px 8px; font-size: 12px; font-family: var(--font);
  background: transparent; border: 1px solid var(--border);
  color: var(--text-muted); border-radius: var(--radius-sm); cursor: pointer; flex-shrink: 0;
}
.memory-item-confirm-no:hover { color: var(--text-primary); border-color: var(--text-muted); }

.memory-add-row {
  display: flex; gap: 8px; margin-top: 12px;
}
.memory-add-row input {
  flex: 1;
  padding: 8px 10px;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 13px;
  font-family: var(--font);
  outline: none;
}
.memory-add-row input:focus { border-color: var(--accent); }

/* ── Memory Categories ───────────────────────────────────────────── */
.memory-category {
  margin-bottom: 6px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: visible;
}
.memory-category-header {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 7px 10px;
  background: var(--bg-primary);
  cursor: pointer;
  user-select: none;
  border-radius: var(--radius-sm);
}
.memory-category-header:hover { background: rgba(255,255,255,0.04); }
.memory-category-toggle { font-size: 10px; color: var(--text-muted); width: 10px; flex-shrink: 0; }
.memory-category-icon { font-size: 15px; flex-shrink: 0; }
.memory-category-name {
  flex: 1;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-primary);
}
.memory-category-count { font-size: 11px; color: var(--text-muted); }
.memory-cat-add-entry-btn {
  font-size: 11px;
  padding: 2px 7px;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  cursor: pointer;
  flex-shrink: 0;
  font-family: var(--font);
}
.memory-cat-add-entry-btn:hover { color: var(--accent); border-color: var(--accent); }
.memory-cat-menu-btn {
  font-size: 14px;
  padding: 2px 6px;
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  flex-shrink: 0;
  border-radius: var(--radius-sm);
  line-height: 1;
}
.memory-cat-menu-btn:hover { color: var(--text-primary); background: rgba(255,255,255,0.06); }
.memory-category-body { padding: 4px 10px 8px; }
.memory-category-body.collapsed { display: none; }
.memory-category-empty {
  font-size: 12px;
  color: var(--text-muted);
  font-style: italic;
  padding: 2px 0;
  margin: 0;
}
.memory-item--fresh {
  border-left: 2px solid var(--accent);
  padding-left: 6px;
}
.memory-fresh-dot {
  color: var(--accent);
  font-size: 9px;
  margin-right: 3px;
  vertical-align: middle;
}
.memory-cat-add-form {
  display: flex;
  gap: 6px;
  margin-top: 8px;
  align-items: center;
}
.memory-cat-add-input {
  flex: 1;
  padding: 5px 8px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 13px;
  font-family: var(--font);
  outline: none;
  min-width: 0;
}
.memory-cat-add-input:focus { border-color: var(--accent); }
.memory-cat-rename-input {
  flex: 1;
  padding: 2px 6px;
  background: var(--bg-secondary);
  border: 1px solid var(--accent);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 13px;
  font-family: var(--font);
  font-weight: 500;
  outline: none;
  min-width: 0;
}
.memory-add-cat-btn {
  width: 100%;
  margin-top: 10px;
  padding: 7px;
  background: transparent;
  border: 1px dashed var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  font-size: 12px;
  cursor: pointer;
  font-family: var(--font);
  text-align: center;
}
.memory-add-cat-btn:hover { border-color: var(--accent); color: var(--accent); }
.memory-new-cat-form {
  margin-top: 8px;
  padding: 10px;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}
.memory-icon-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-bottom: 8px;
}
.memory-icon-option {
  font-size: 18px;
  width: 32px;
  height: 32px;
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  cursor: pointer;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}
.memory-icon-option:hover { background: rgba(255,255,255,0.06); border-color: var(--border); }
.memory-icon-option.active { border-color: var(--accent); background: rgba(99,102,241,0.12); }
.memory-icon-free-input {
  width: 100%;
  padding: 4px 8px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 13px;
  font-family: var(--font);
  outline: none;
  margin-top: 4px;
}
.memory-icon-free-input:focus { border-color: var(--accent); }
.memory-cat-menu-popup {
  position: absolute;
  right: 0;
  top: 100%;
  z-index: 500;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  box-shadow: 0 4px 16px rgba(0,0,0,0.3);
  min-width: 160px;
  overflow: hidden;
}
.memory-cat-menu-item {
  display: block;
  width: 100%;
  padding: 8px 12px;
  text-align: left;
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-size: 13px;
  font-family: var(--font);
  cursor: pointer;
}
.memory-cat-menu-item:hover { background: rgba(255,255,255,0.06); color: var(--text-primary); }
.memory-cat-menu-item.danger { color: #f87171; }
.memory-cat-menu-item.danger:hover { background: rgba(248,113,113,0.1); }
.memory-cat-select {
  padding: 6px 8px;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 12px;
  font-family: var(--font);
  outline: none;
  cursor: pointer;
  flex-shrink: 0;
}
.memory-cat-select:focus { border-color: var(--accent); }

/* ── Code Blocks ─────────────────────────────────────────────────── */
.code-block {
  margin: 10px 0;
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.1);
  background: #0d1117;
}
.code-block-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 12px;
  background: rgba(255,255,255,0.05);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.code-lang {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-family: monospace;
}
.code-copy-btn {
  background: transparent;
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 4px;
  color: var(--text-secondary);
  font-size: 11px;
  padding: 2px 8px;
  cursor: pointer;
  transition: all 0.15s;
  font-family: var(--font);
}
.code-copy-btn:hover {
  background: rgba(255,255,255,0.1);
  color: var(--text-primary);
}
.code-block pre {
  margin: 0;
  padding: 14px 16px;
  overflow-x: auto;
  font-size: 13px;
  line-height: 1.55;
  background: transparent !important;
}
.code-block pre code {
  background: transparent !important;
  padding: 0 !important;
  border-radius: 0 !important;
  font-size: inherit;
}
.inline-code {
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 4px;
  padding: 1px 5px;
  font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
  font-size: 0.88em;
  color: #e6db74;
}
.task-item {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  margin: 4px 0;
}
.task-item input[type="checkbox"] {
  margin-top: 3px;
  accent-color: var(--accent);
  flex-shrink: 0;
}

/* ── Web Search ─────────────────────────────────────────────────── */
#web-search-btn {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  border: none;
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s, color 0.15s;
  flex-shrink: 0;
}
#web-search-btn:hover { background: var(--bg-hover); color: var(--text-primary); }
#web-search-btn.active {
  color: #38bdf8;
  background: rgba(56,189,248,0.12);
}
#web-search-btn svg { width: 16px; height: 16px; }

/* ── Entailment-Warnung (Fakten-Abdeckungs-Check) ───────────────────── */
.entailment-warning {
  display: flex;
  align-items: flex-start;
  gap: 7px;
  margin-top: 8px;
  padding: 8px 12px;
  background: rgba(239, 68, 68, 0.07);
  border: 1px solid rgba(239, 68, 68, 0.25);
  border-radius: 6px;
  font-size: 12px;
  color: #f87171;
  line-height: 1.5;
}

/* ── Self-Reflection Badges ──────────────────────────────────────────── */
.self-reflection-loading {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 10px;
  font-size: 12px;
  color: var(--text-secondary);
}
.reflection-spinner {
  display: inline-block;
  width: 12px;
  height: 12px;
  border: 2px solid rgba(255,255,255,0.15);
  border-top-color: var(--text-secondary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  flex-shrink: 0;
}
@keyframes spin { to { transform: rotate(360deg); } }

.self-reflection-badge {
  display: inline-block;
  margin-top: 10px;
  padding: 3px 9px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.02em;
}
.self-reflection-badge--ok {
  background: rgba(34, 197, 94, 0.1);
  border: 1px solid rgba(34, 197, 94, 0.3);
  color: #4ade80;
}
.self-reflection-badge--corrected {
  background: rgba(251, 191, 36, 0.1);
  border: 1px solid rgba(251, 191, 36, 0.3);
  color: #fbbf24;
}

/* ── Halluzinations-Warnung (Output-Regex-Filter) ───────────────────── */
.hallucination-warning {
  display: flex;
  align-items: flex-start;
  gap: 7px;
  margin-top: 10px;
  padding: 8px 12px;
  background: rgba(251, 191, 36, 0.07);
  border: 1px solid rgba(251, 191, 36, 0.28);
  border-radius: 6px;
  font-size: 12px;
  color: #fbbf24;
  line-height: 1.5;
}
.hallucination-warning-icon {
  flex-shrink: 0;
  font-size: 13px;
  margin-top: 1px;
}

.search-sources {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 6px 0 10px;
}
.source-card {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px 4px 6px;
  background: rgba(56,189,248,0.08);
  border: 1px solid rgba(56,189,248,0.2);
  border-radius: 20px;
  text-decoration: none;
  color: #7dd3fc;
  font-size: 11px;
  max-width: 200px;
  transition: background 0.15s;
}
.source-card:hover { background: rgba(56,189,248,0.15); }
.source-card img {
  width: 14px;
  height: 14px;
  border-radius: 2px;
  flex-shrink: 0;
}
.source-card span {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.search-sources-label {
  font-size: 11px;
  color: var(--text-muted);
  margin-bottom: 4px;
  display: flex;
  align-items: center;
  gap: 5px;
}
.search-sources-label svg { width: 11px; height: 11px; }

/* ── URL-Fetch Button ───────────────────────────────────────────── */
#web-fetch-btn {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  border: none;
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s, color 0.15s;
  flex-shrink: 0;
}
#web-fetch-btn:hover { background: var(--bg-hover); color: var(--text-primary); }
#web-fetch-btn.active {
  color: #a78bfa;
  background: rgba(167,139,250,0.12);
}
#web-fetch-btn svg { width: 16px; height: 16px; }

/* ── URL-Fetch Quellkarten (visuell unterscheidbar von Web-Suche) ── */
.source-card--fetched {
  background: rgba(167,139,250,0.08);
  border-color: rgba(167,139,250,0.2);
  color: #c4b5fd;
}
.source-card--fetched:hover { background: rgba(167,139,250,0.15); }

/* ── Sidebar Search ─────────────────────────────────────────────── */
.sidebar-search {
  padding: 0 8px 8px;
  flex-shrink: 0;
}
.sidebar-search-inner {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 5px 8px;
  transition: border-color 0.15s;
}
.sidebar-search-inner:focus-within {
  border-color: var(--accent);
}
.sidebar-search-inner svg { color: var(--text-muted); flex-shrink: 0; }
#sidebar-search-input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: var(--text-primary);
  font-size: 12px;
  font-family: var(--font);
  min-width: 0;
}
#sidebar-search-input::placeholder { color: var(--text-muted); }
#sidebar-search-clear {
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 0;
  display: none;
  font-size: 14px;
  line-height: 1;
}
#sidebar-search-clear.visible { display: block; }

/* ── Global Search Modal ─────────────────────────────────────────── */
#search-modal {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: none;
  align-items: flex-start;
  justify-content: center;
  padding-top: 80px;
  background: rgba(0,0,0,0.6);
  backdrop-filter: blur(4px);
}
#search-modal.open { display: flex; }
.search-modal-box {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: 0 24px 64px rgba(0,0,0,0.5);
  width: 92%;
  max-width: 600px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  max-height: calc(100vh - 120px);
}
.search-modal-input-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
}
.search-modal-input-row svg { color: var(--text-secondary); flex-shrink: 0; }
#search-global-input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: var(--text-primary);
  font-size: 15px;
  font-family: var(--font);
}
#search-global-input::placeholder { color: var(--text-muted); }
#search-close-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 18px;
  padding: 0 2px;
  line-height: 1;
}
.search-results {
  overflow-y: auto;
  flex: 1;
}
.search-empty {
  padding: 32px;
  text-align: center;
  color: var(--text-muted);
  font-size: 13px;
}
.search-chat-group {
  border-bottom: 1px solid var(--border-light);
}
.search-chat-title {
  padding: 8px 16px 4px;
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.4px;
  display: flex;
  align-items: center;
  gap: 6px;
}
.search-chat-title svg { width: 11px; height: 11px; }
.search-result-item {
  padding: 8px 16px;
  cursor: pointer;
  transition: background 0.1s;
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.4;
}
.search-result-item:hover { background: var(--bg-hover); color: var(--text-primary); }
.search-result-item .search-snippet { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.search-result-item .search-role {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.4px;
  margin-bottom: 2px;
}
.search-role.user { color: var(--accent); }
.search-role.assistant { color: var(--text-muted); }
mark.search-hl {
  background: rgba(16,163,127,0.35);
  color: var(--text-primary);
  border-radius: 2px;
  padding: 0 1px;
}
.search-tabs {
  display: flex;
  gap: 2px;
  padding: 6px 12px;
  border-bottom: 1px solid var(--border);
}
.search-tab {
  background: transparent;
  border: none;
  border-radius: var(--radius);
  color: var(--text-muted);
  cursor: pointer;
  font-size: 12px;
  font-weight: 500;
  padding: 4px 12px;
  transition: background 0.1s, color 0.1s;
}
.search-tab:hover { background: var(--bg-hover); color: var(--text-primary); }
.search-tab.active { background: var(--bg-hover); color: var(--text-primary); font-weight: 600; }
.search-snippet--wrap { white-space: normal !important; }
.search-stats {
  padding: 8px 16px;
  font-size: 11px;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
}

/* ── Search-Match Highlight (Scroll-to-Match) ────────────────────── */
@keyframes searchMatchPulse {
  0%   { background-color: rgba(251, 191, 36, 0.40); box-shadow: 0 0 0 4px rgba(251, 191, 36, 0.25); border-radius: 10px; }
  50%  { background-color: rgba(251, 191, 36, 0.20); box-shadow: 0 0 0 4px rgba(251, 191, 36, 0.10); border-radius: 10px; }
  100% { background-color: transparent;              box-shadow: none;                                border-radius: 10px; }
}
.message-search-highlight {
  animation: searchMatchPulse 2.5s ease-out forwards;
}

/* ── Multi-select mode ───────────────────────────────────────────── */
.select-mode-bar {
  display: none;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  background: rgba(16,163,127,0.08);
  border-bottom: 1px solid rgba(16,163,127,0.2);
  flex-shrink: 0;
}
.select-mode-bar.visible { display: flex; }
.select-mode-bar .select-count {
  font-size: 12px;
  color: var(--text-secondary);
  flex: 1;
}
.select-mode-bar .btn-select-all {
  background: transparent;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 11px;
  padding: 3px 8px;
  cursor: pointer;
  font-family: var(--font);
  transition: all 0.15s;
}
.select-mode-bar .btn-select-all:hover { background: var(--bg-hover); color: var(--text-primary); }
.select-mode-bar .btn-delete-selected {
  background: rgba(239,68,68,0.15);
  border: 1px solid rgba(239,68,68,0.3);
  border-radius: var(--radius-sm);
  color: #f87171;
  font-size: 11px;
  padding: 3px 8px;
  cursor: pointer;
  font-family: var(--font);
  transition: all 0.15s;
}
.select-mode-bar .btn-delete-selected:hover { background: rgba(239,68,68,0.25); }
.select-mode-bar .btn-delete-selected:disabled { opacity: 0.4; cursor: default; }

.chat-item-checkbox {
  width: 15px;
  height: 15px;
  flex-shrink: 0;
  accent-color: var(--accent);
  cursor: pointer;
  display: none;
}
.select-mode .chat-item-checkbox { display: block; }
.select-mode .chat-item-icon { display: none; }
.select-mode .chat-item-actions { display: none !important; }
.select-mode .chat-item { cursor: pointer; }
.chat-item.selected { background: rgba(16,163,127,0.12); }
.chat-item.selected:hover { background: rgba(16,163,127,0.18); }

/* "Auswählen"-Button in sidebar-top */
#select-mode-btn {
  font-size: 11px;
  padding: 3px 8px;
  height: auto;
  width: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  background: transparent;
  cursor: pointer;
  font-family: var(--font);
  transition: all 0.15s;
  white-space: nowrap;
}
#select-mode-btn:hover { background: var(--bg-hover); color: var(--text-primary); }
#select-mode-btn.active { color: var(--accent); border-color: rgba(16,163,127,0.4); background: rgba(16,163,127,0.08); }

/* ── Persona selector ───────────────────────────────────────────── */
.persona-selector {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 5px 10px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: transparent;
  color: var(--text-secondary);
  font-size: 12px;
  font-family: var(--font);
  cursor: pointer;
  white-space: nowrap;
  max-width: 140px;
  transition: all 0.15s;
}
.persona-selector:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
  border-color: rgba(255,255,255,0.15);
}
.persona-selector.has-persona {
  color: var(--accent);
  border-color: rgba(16,163,127,0.3);
}
.persona-selector svg { flex-shrink: 0; }
.persona-selector-label {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.persona-dropdown {
  position: fixed;
  top: 52px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: 0 8px 32px rgba(0,0,0,0.4);
  z-index: 1000;
  min-width: 240px;
  padding: 6px;
  display: none;
}
.persona-dropdown.open { display: block; }
.persona-option {
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: flex;
  align-items: flex-start;
  gap: 10px;
  transition: background 0.1s;
}
.persona-option:hover { background: var(--bg-hover); }
.persona-option.active { background: rgba(16,163,127,0.12); }
.persona-option-icon { font-size: 16px; flex-shrink: 0; margin-top: 1px; }
.persona-option-text { flex: 1; min-width: 0; }
.persona-option-name { font-size: 13px; font-weight: 500; color: var(--text-primary); }
.persona-option-desc { font-size: 11px; color: var(--text-secondary); margin-top: 1px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.persona-dropdown-divider { height: 1px; background: var(--border); margin: 4px 0; }

/* ── Ausgabe-Format-Selector ─────────────────────────────────────── */
#format-selector-btn {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  border: none;
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s, color 0.15s;
  flex-shrink: 0;
}
#format-selector-btn:hover { background: var(--bg-hover); color: var(--text-primary); }
#format-selector-btn.active {
  color: #a78bfa;
  background: rgba(167,139,250,0.12);
}
#format-selector-btn svg { width: 16px; height: 16px; }
.format-selector-dropdown {
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: 0 8px 32px rgba(0,0,0,0.4);
  z-index: 1000;
  min-width: 180px;
  padding: 6px;
  display: none;
}
.format-selector-dropdown.open { display: block; }
.format-option {
  padding: 7px 10px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 10px;
  transition: background 0.1s;
  white-space: nowrap;
}
.format-option:hover { background: var(--bg-hover); }
.format-option.active { background: rgba(167,139,250,0.12); color: #a78bfa; }
.format-option-icon { font-size: 13px; flex-shrink: 0; min-width: 18px; text-align: center; font-style: normal; font-family: monospace; }
.format-option-label { font-size: 13px; color: var(--text-primary); }
.format-option.active .format-option-label { color: #a78bfa; }

/* ── Sidebar Overlay (Mobile Backdrop) ──────────────────────────── */
#sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 149;
}
#sidebar-overlay.visible { display: block; }

/* ── Responsive ──────────────────────────────────────────────────── */

/* ── Tablet & Mobile (≤ 768px) ─────────────────────────────────── */
@media (max-width: 768px) {

  /* Sidebar: Off-screen Drawer */
  #sidebar {
    position: fixed;
    left: 0;
    top: 0;
    height: 100%;
    height: 100dvh;
    z-index: 150;
    transform: translateX(-100%);
    transition: transform 0.25s ease, width 0.25s ease, min-width 0.25s ease;
    width: var(--sidebar-width) !important;
    min-width: var(--sidebar-width) !important;
    box-shadow: 4px 0 24px rgba(0,0,0,0.5);
  }

  /* Sidebar open state on mobile */
  #sidebar.mobile-open {
    transform: translateX(0);
  }

  /* Override desktop collapsed — on mobile we handle it ourselves */
  #sidebar.collapsed {
    width: var(--sidebar-width) !important;
    min-width: var(--sidebar-width) !important;
    transform: translateX(-100%);
  }
  #sidebar.collapsed.mobile-open {
    transform: translateX(0);
  }

  /* Main area takes full width (no sidebar pushing) */
  #main {
    width: 100%;
    min-width: 0;
  }

  /* Header: make toggle button always visible + kompakter */
  #toggle-sidebar-btn {
    display: flex !important;
  }

  #header {
    padding: 8px 12px;
    height: auto;
    min-height: 48px;
  }

  /* Header-Buttons kleiner auf Mobile */
  #header .icon-btn {
    width: 36px;
    height: 36px;
  }

  /* Header-Texte ausblenden, nur Icons anzeigen */
  .header-right span {
    display: none;
  }

  /* #model-selector-btn: bereits global display:none – keine Überschreibung nötig */

  /* Composer Model Button: Touch-Target auf Mobile auf 44px vergrößern */
  .composer-model-btn {
    min-height: 44px;
    font-size: 13px;
    max-width: 160px;
  }

  /* Persona selector: smaller label */
  .persona-selector {
    max-width: 130px;
    overflow: hidden;
    padding: 4px 8px;
    font-size: 13px;
  }
  .persona-selector span {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }
  .persona-selector svg {
    width: 12px;
    height: 12px;
  }

  /* Model dropdown: bottom-anchored auf Mobile (öffnet nach oben, Gemini-Stil) */
  /* Exakte bottom-Position wird via JS in openModelDropdown() gesetzt */
  .dropdown-menu {
    top: auto;
    left: 8px;
    right: 8px;
    min-width: 0;
    width: auto;
    max-height: 60dvh;
  }
  /* slideUpFade: global definiert, kein lokaler @keyframes-Block nötig */

  /* Persona dropdown: full width */
  #persona-dropdown {
    left: 8px !important;
    right: 8px !important;
    width: auto !important;
    max-width: none !important;
  }

  /* Messages: full width, tighter padding */
  #messages {
    padding: 16px 12px 0;
  }

  /* Datumsnavigation auf Mobile kompakter */
  #date-nav-scroll { padding: 0 12px; }
  #date-nav-chips  { gap: 5px; }
  .date-chip       { padding: 4px 10px; font-size: 11px; }
  .date-divider    { margin: 16px 0 10px; }
  .date-divider-label { font-size: 10px; }

  /* Smaller avatars */
  .message-avatar {
    width: 24px;
    height: 24px;
    font-size: 10px;
  }

  /* Message gap reduction */
  .message {
    gap: 8px;
    margin-bottom: 16px;
  }

  /* Welcome screen: tighter */
  #welcome {
    padding: 32px 16px;
    gap: 18px;
  }
  .welcome-greeting { font-size: 24px; }
  .welcome-title { font-size: 22px; }
  .welcome-subtitle { font-size: 14px; }
  .welcome-suggestions { grid-template-columns: 1fr; }
  .suggestion-card { 
    padding: 14px 16px;
    border-radius: 24px;
  }
  .welcome-logo {
    width: 120px;
    height: 120px;
  }

  /* Composer: touch-friendly */
  #composer-wrapper {
    padding: 8px 12px 40px;
    /* Mehr Platz für mobile Browser-Toolbar */
    padding-bottom: calc(40px + env(safe-area-inset-bottom, 20px));
    position: relative;
    z-index: 100;
  }

  .composer-bottom-row {
    padding: 6px 10px 20px;
  }

  /* Composer-Box auf Mobile besser sichtbar machen */
  .composer-box {
    margin-bottom: 16px;
  }

  /* Bigger touch targets for composer buttons (min 44px) */
  .composer-attach-btn,
  #web-search-btn,
  #web-fetch-btn,
  #send-btn,
  #stop-btn {
    width: 40px;
    height: 40px;
  }

  /* Hide the "Ollama läuft lokal auf ..." hint on mobile */
  .composer-hint { display: none; }

  /* Context bar: smaller text */
  #context-bar { margin-top: 4px; }
  #context-bar-label,
  #context-bar-value { font-size: 10px; }

  /* Modals: Bottom Sheet style */
  .modal-backdrop {
    align-items: flex-end;
    padding: 0;
  }

  .modal {
    width: 100% !important;
    max-width: 100% !important;
    min-width: 0;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    padding: 20px 20px calc(20px + env(safe-area-inset-bottom));
    margin: 0;
    max-height: 90dvh;
    overflow-y: auto;
  }

  /* Settings modal: taller on mobile */
  #settings-modal .modal {
    max-height: 92dvh;
  }

  /* Memory modal: same */
  #memory-modal .modal {
    max-height: 88dvh;
  }

  /* Search modal: full screen */
  #search-modal {
    align-items: stretch;
  }
  .search-modal-box {
    border-radius: 0 !important;
    max-height: 100dvh !important;
    height: 100dvh;
  }

  /* Settings tabs: scrollable horizontally */
  .settings-tabs {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }
  .settings-tabs::-webkit-scrollbar { display: none; }
  .settings-tab {
    white-space: nowrap;
    flex-shrink: 0;
  }

  /* Toast: above iOS home indicator */
  #toast {
    bottom: calc(16px + env(safe-area-inset-bottom));
  }

  /* Memory notification: above composer */
  #memory-notif {
    bottom: calc(90px + env(safe-area-inset-bottom));
    left: 12px;
    right: 12px;
    max-width: none;
  }

  /* Context menu: larger tap targets */
  .context-item {
    padding: 12px 14px;
    font-size: 14px;
  }

  /* Code blocks: ensure horizontal scroll */
  .code-block pre {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  /* Sidebar bottom: safe area */
  .sidebar-bottom {
    padding-bottom: calc(12px + env(safe-area-inset-bottom));
  }
}

/* ── Message Thinking Section ────────────────────────────────────── */
.message-thinking-section {
  margin: 8px 0 12px 0;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--bg-secondary);
}

.message-thinking-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  cursor: pointer;
  user-select: none;
  background: var(--bg-hover);
  transition: background 0.15s;
}

.message-thinking-header:hover {
  background: var(--bg-active);
}

.thinking-icon {
  font-size: 14px;
}

.thinking-label {
  flex: 1;
  font-size: 12px;
  color: var(--text-secondary);
  font-weight: 500;
}

.thinking-chevron {
  color: var(--text-muted);
  transition: transform 0.2s ease;
  flex-shrink: 0;
}

.thinking-chevron.expanded {
  transform: rotate(180deg);
}

.message-thinking-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
  background: var(--bg-secondary);
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.6;
  white-space: pre-wrap;      /* Zeilenumbrüche sichtbar machen */
  word-break: break-word;
}

.message-thinking-content.expanded {
  max-height: 400px;
  overflow-y: auto;
  padding: 12px;
}

/* Wenn Markdown gerendert wird (nach dem Stream), kein white-space: pre-wrap mehr */
.message-thinking-content.rendered {
  white-space: normal;
}

.message-thinking-content > p,
.message-thinking-content > ul,
.message-thinking-content > ol,
.message-thinking-content > pre,
.message-thinking-content > h1,
.message-thinking-content > h2,
.message-thinking-content > h3 {
  margin-bottom: 8px;
}

.message-thinking-content code {
  background: var(--bg-hover);
  padding: 2px 4px;
  border-radius: 3px;
  font-family: 'Fira Code', 'SF Mono', Consolas, monospace;
  font-size: 12px;
}

.message-thinking-content pre {
  background: var(--bg-primary);
  padding: 10px;
  border-radius: var(--radius-sm);
  overflow-x: auto;
  margin: 8px 0;
}

.message-thinking-content pre code {
  background: none;
  padding: 0;
}

/* ── Small phones only (≤ 480px) ───────────────────────────────── */
@media (max-width: 480px) {
  .persona-selector { max-width: 100px; }
  /* Composer-Button auf sehr kleinen Screens etwas schmaler */
  .composer-model-btn { max-width: 120px; }
  .composer-model-label { max-width: 80px; }

  /* Header icons tighter */
  #header { padding: 0 8px; gap: 4px; }

  /* Welcome: even tighter */
  .welcome-title { font-size: 20px; }

  /* Input font size 16px prevents iOS auto-zoom */
  #input { font-size: 16px; }

  .memory-cat-select {
    max-width: 100px;
    font-size: 11px;
  }
}

/* ── Onboarding Wizard ──────────────────────────────────────────────── */
.onboarding-step {
  animation: fadeIn 0.3s ease;
}

.onboarding-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--bg-hover);
  transition: background 0.3s, transform 0.2s;
}

.onboarding-dot.active {
  background: var(--accent);
  transform: scale(1.2);
}

.onboarding-dot.completed {
  background: var(--accent);
  opacity: 0.5;
}

/* ── Welcome Screen Status ─────────────────────────────────────────── */
.welcome-status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 16px 0 8px;
  padding: 8px 16px;
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
  font-size: 13px;
  color: var(--text-secondary);
  cursor: pointer;
  transition: background 0.2s, transform 0.2s;
}

.welcome-status:hover {
  background: var(--bg-hover);
  transform: translateY(-1px);
}

.welcome-status.connected {
  background: rgba(16, 163, 127, 0.15);
  color: var(--accent);
}

.welcome-status.error {
  background: rgba(248, 113, 113, 0.15);
  color: #f87171;
}

.welcome-status .status-icon {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: currentColor;
  animation: pulse 2s infinite;
}

.welcome-status.connected .status-icon {
  background: var(--accent);
  animation: none;
}

.welcome-status.error .status-icon {
  background: #f87171;
  animation: none;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

/* ══════════════════════════════════════════════════════════════════════
   FAVORITEN
   ══════════════════════════════════════════════════════════════════════ */

/* Stern-Button in Nachrichten */
.fav-star-btn {
  color: var(--text-muted);
  transition: color 0.15s, transform 0.15s;
}
.fav-star-btn:hover {
  color: #facc15;
  transform: scale(1.15);
}
.fav-star-btn.active {
  color: #facc15;
}
.fav-star-btn.active svg {
  fill: #facc15;
}

/* Favorit-Badge neben dem Modellnamen */
.fav-badge {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  font-size: 10px;
  font-weight: 600;
  color: #facc15;
  background: rgba(250, 204, 21, 0.12);
  border: 1px solid rgba(250, 204, 21, 0.3);
  border-radius: 10px;
  padding: 1px 7px 1px 5px;
  margin-left: 8px;
  vertical-align: middle;
  letter-spacing: 0.3px;
}

/* Favoriten-Modal: Fullscreen mit Sidebar */
#favorites-modal {
  display: none;
  align-items: stretch;
  justify-content: center;
  padding: 0;
}
#favorites-modal.open {
  display: flex;
}
.fav-modal {
  display: flex;
  width: 100%;
  max-width: 900px;
  height: 100vh;
  max-height: 100vh;
  background: var(--bg-primary);
  overflow: hidden;
}

/* Sidebar */
.fav-modal-sidebar {
  width: 220px;
  min-width: 220px;
  background: var(--bg-sidebar);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  padding: 16px 8px;
  gap: 2px;
  overflow-y: auto;
}
.fav-modal-sidebar-header {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  padding: 4px 8px 12px;
  letter-spacing: 0.3px;
  text-transform: uppercase;
  font-size: 11px;
}
.fav-folder-item {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 7px 10px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 13px;
  color: var(--text-secondary);
  transition: background 0.1s, color 0.1s;
  position: relative;
}
.fav-folder-item:hover { background: var(--bg-hover); color: var(--text-primary); }
.fav-folder-item.active { background: var(--bg-active); color: var(--text-primary); }
.fav-folder-name { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.fav-folder-count {
  font-size: 11px;
  color: var(--text-muted);
  background: var(--bg-hover);
  border-radius: 8px;
  padding: 1px 6px;
  min-width: 20px;
  text-align: center;
}
.fav-folder-ctx {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-muted);
  padding: 2px;
  border-radius: 3px;
  display: none;
  align-items: center;
}
.fav-folder-item:hover .fav-folder-ctx { display: flex; }
.fav-folder-ctx:hover { color: var(--text-primary); background: var(--bg-hover); }

.fav-add-folder-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  background: none;
  border: 1px dashed var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  font-size: 12px;
  padding: 7px 10px;
  cursor: pointer;
  margin-top: 8px;
  width: 100%;
  transition: border-color 0.15s, color 0.15s;
}
.fav-add-folder-btn:hover { border-color: var(--accent); color: var(--accent); }

/* Hauptbereich */
.fav-modal-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.fav-modal-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}
.fav-modal-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
}

#fav-content {
  flex: 1;
  overflow-y: auto;
  padding: 16px 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

/* Favorit-Karte */
.fav-item {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  transition: border-color 0.15s;
}
.fav-item:hover { border-color: rgba(255,255,255,0.15); }
.fav-item-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 6px;
}
.fav-item-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  flex: 1;
}
.fav-item-actions {
  display: flex;
  gap: 4px;
  flex-shrink: 0;
}
.fav-action-btn {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-muted);
  padding: 4px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  transition: color 0.15s, background 0.15s;
}
.fav-action-btn:hover { color: var(--text-primary); background: var(--bg-hover); }
.fav-delete-btn:hover { color: #f87171; }

.fav-item-meta {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  color: var(--text-muted);
  margin-bottom: 10px;
  flex-wrap: wrap;
}
.fav-item-sep { color: var(--border); }
.fav-item-chat {
  color: var(--accent);
  cursor: pointer;
}
.fav-item-chat:hover { text-decoration: underline; }
.fav-item-folder {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.fav-item-content {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.6;
  max-height: 200px;
  overflow-y: auto;
  border-top: 1px solid var(--border-light);
  padding-top: 10px;
}
/* Markdown innerhalb Favoriten-Karten */
.fav-item-content p { margin-bottom: 8px; }
.fav-item-content p:last-child { margin-bottom: 0; }
.fav-item-content ul, .fav-item-content ol { padding-left: 18px; margin-bottom: 8px; }
.fav-item-content code { background: var(--bg-hover); padding: 1px 4px; border-radius: 3px; font-size: 12px; }
.fav-item-content pre { background: var(--bg-sidebar); border-radius: var(--radius-sm); padding: 8px; overflow-x: auto; }
.fav-item-content strong { color: var(--text-primary); }

/* Leer-Zustand */
.fav-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  color: var(--text-muted);
  padding: 60px 20px;
  text-align: center;
}
.fav-empty p { font-size: 14px; margin: 0; }
.fav-empty small { font-size: 12px; }

/* Mobile */
@media (max-width: 600px) {
  .fav-modal { flex-direction: column; }
  .fav-modal-sidebar { width: 100%; min-width: unset; max-height: 160px; flex-direction: row; flex-wrap: wrap; border-right: none; border-bottom: 1px solid var(--border); padding: 8px; }
  .fav-modal-sidebar-header { display: none; }
}

/* ═══════════════════════════════════════════════════════════════════════
   MULTI-PROVIDER – Modell-Selektor, Kostenbadge, Provider-Settings
   ═══════════════════════════════════════════════════════════════════════ */

/* Provider-Badge im Modell-Selector-Button */
.model-provider-badge {
  display: inline-flex;
  align-items: center;
  padding: 1px 6px;
  border-radius: 4px;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.3px;
  text-transform: uppercase;
  flex-shrink: 0;
  margin-right: 2px;
}

/* Gruppenheader im Modell-Dropdown */
.model-group-header {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 12px 4px;
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-top: 1px solid var(--border-light);
  margin-top: 4px;
  user-select: none;
}
.model-group-header:first-child {
  border-top: none;
  margin-top: 0;
}
.model-group-icon {
  font-size: 13px;
  font-style: normal;
}
.model-group-name {
  flex: 1;
}
.model-group-count {
  background: var(--bg-hover);
  border-radius: 10px;
  padding: 0 6px;
  font-size: 10px;
  color: var(--text-muted);
}
.model-item {
  padding-left: 22px;
}
.model-item-name {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Kostenanzeige in der Context-Bar */
.context-bar-cost {
  font-size: 11px;
  font-weight: 500;
  padding: 1px 7px;
  border-radius: 10px;
  display: inline-flex;
  align-items: center;
  gap: 3px;
  transition: opacity 0.2s;
}
.context-bar-cost:empty { display: none; }
.cost-free {
  color: #34d399;
  background: rgba(52, 211, 153, 0.12);
}
.cost-paid {
  color: #fbbf24;
  background: rgba(251, 191, 36, 0.12);
}

/* Provider-Sektionen im Settings-Tab */
.provider-section {
  background: var(--bg-primary);
  border-radius: var(--radius-sm);
  padding: 14px;
  margin-bottom: 12px;
  border: 1px solid var(--border-light);
}
.provider-section-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
}
.provider-icon {
  font-size: 16px;
  line-height: 1;
  font-style: normal;
}
.provider-section-title {
  font-weight: 600;
  font-size: 14px;
  color: var(--text-primary);
  flex: 1;
}
.key-status {
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 10px;
}
.key-set {
  color: #34d399;
  background: rgba(52, 211, 153, 0.12);
}
.key-missing {
  color: var(--text-muted);
  background: var(--bg-hover);
}
.provider-status {
  font-size: 12px;
  color: var(--text-muted);
}

/* ═══════════════════════════════════════════════════════════════════════
   PROMPT-OPTIMIERUNG
   ═══════════════════════════════════════════════════════════════════════ */

/* ── Optimize-Toggle im Composer ──────────────────────────────────────── */
#prompt-optimize-btn {
  width: 32px;
  height: 32px;
  border: none;
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: background 0.15s, color 0.15s, transform 0.15s;
  position: relative;
}
#prompt-optimize-btn svg { width: 15px; height: 15px; }
#prompt-optimize-btn:hover { background: var(--bg-hover); color: var(--text-primary); }
#prompt-optimize-btn.active {
  color: var(--accent);
  background: rgba(16, 163, 127, 0.12);
}
#prompt-optimize-btn.active:hover { background: rgba(16, 163, 127, 0.2); }
#prompt-optimize-btn.loading {
  color: var(--accent);
  pointer-events: none;
  animation: opt-spin 1s linear infinite;
}
#prompt-optimize-btn:disabled {
  opacity: 0.35;
  cursor: default;
  pointer-events: none;
}

@keyframes opt-spin {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

/* ── Diff-Panel — Wrapper ─────────────────────────────────────────────── */
#optimize-diff-panel {
  position: relative;
  width: 100%;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s cubic-bezier(0.4, 0, 0.2, 1),
              opacity    0.25s ease,
              transform  0.25s ease;
  opacity: 0;
  transform: translateY(8px);
  /* Panel sitzt direkt über dem Composer, innerhalb #main */
  z-index: 10;
}
#optimize-diff-panel.open {
  max-height: 600px;
  opacity: 1;
  transform: translateY(0);
}

.opt-panel-inner {
  margin: 0 0 8px 0;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 4px 24px rgba(0,0,0,0.3);
}

/* ── Panel Header ─────────────────────────────────────────────────────── */
.opt-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px 10px 16px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-primary);
}
.opt-panel-title {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.1px;
}
.opt-panel-title svg { flex-shrink: 0; }
.opt-close-btn {
  width: 26px !important;
  height: 26px !important;
}
.opt-close-btn svg { width: 13px; height: 13px; }

/* ── Split-View ───────────────────────────────────────────────────────── */
.opt-split-view {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  min-height: 80px;
  max-height: 280px;
}
.opt-col {
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.opt-col-original {
  border-right: 1px solid var(--border);
}
.opt-col-label {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.8px;
  padding: 7px 14px 5px;
  color: var(--text-muted);
  text-transform: uppercase;
  flex-shrink: 0;
}
.opt-col-original .opt-col-label { color: var(--text-muted); }
.opt-col-optimized .opt-col-label { color: var(--accent); }

.opt-col-text {
  flex: 1;
  padding: 4px 14px 14px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--text-secondary);
  white-space: pre-wrap;
  word-break: break-word;
  overflow-y: auto;
  max-height: 240px;
  outline: none;
}
.opt-col-original .opt-col-text {
  background: var(--bg-secondary);
  color: var(--text-muted);
}
.opt-col-optimized .opt-col-text {
  background: rgba(16, 163, 127, 0.04);
  color: var(--text-primary);
}
.opt-col-optimized .opt-col-text[contenteditable="true"] {
  background: rgba(16, 163, 127, 0.08);
  border: 1px dashed rgba(16, 163, 127, 0.4);
  border-radius: 4px;
  cursor: text;
}

/* Diff-Markierungen */
.opt-addition {
  background: rgba(16, 163, 127, 0.2);
  color: var(--accent);
  border-radius: 3px;
  padding: 0 1px;
}
.opt-tag {
  display: inline-block;
  font-size: 10px;
  font-weight: 600;
  padding: 1px 5px;
  border-radius: 4px;
  margin-left: 2px;
  background: rgba(16, 163, 127, 0.15);
  color: var(--accent);
  border: 1px solid rgba(16, 163, 127, 0.25);
  vertical-align: middle;
  white-space: nowrap;
  user-select: none;
  cursor: default;
}
.opt-removal {
  text-decoration: line-through;
  color: rgba(248, 113, 113, 0.7);
  background: rgba(248, 113, 113, 0.08);
  border-radius: 3px;
  padding: 0 1px;
}

/* ── Kategorie-Badges ─────────────────────────────────────────────────── */
.opt-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 8px 14px;
  border-top: 1px solid var(--border);
  min-height: 36px;
  align-items: center;
}
.opt-badges:empty { display: none; }
.opt-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 11px;
  font-weight: 500;
  padding: 3px 9px;
  border-radius: 20px;
  border: 1px solid;
  white-space: nowrap;
  cursor: default;
  user-select: none;
}
.opt-badge-rolle     { color: #60a5fa; background: rgba(96,165,250,0.1); border-color: rgba(96,165,250,0.3); }
.opt-badge-zielgruppe{ color: #c084fc; background: rgba(192,132,252,0.1); border-color: rgba(192,132,252,0.3); }
.opt-badge-format    { color: #fb923c; background: rgba(251,146,60,0.1);  border-color: rgba(251,146,60,0.3); }
.opt-badge-kontext   { color: var(--accent); background: rgba(16,163,127,0.1); border-color: rgba(16,163,127,0.3); }
.opt-badge-unchanged { color: var(--text-muted); background: var(--bg-hover); border-color: var(--border); }

/* ── Footer ───────────────────────────────────────────────────────────── */
.opt-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  gap: 10px;
  border-top: 1px solid var(--border);
  background: var(--bg-primary);
  flex-wrap: wrap;
}
.opt-footer-actions {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
}
.opt-btn-edit {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
  flex-shrink: 0;
}
.opt-btn-edit:hover { background: var(--bg-hover); color: var(--text-primary); }
.opt-btn-edit.editing {
  color: var(--accent);
  border-color: rgba(16,163,127,0.4);
  background: rgba(16,163,127,0.08);
}

.opt-btn-reject {
  font-size: 13px;
  padding: 7px 14px;
}
.opt-btn-accept {
  font-size: 13px;
  padding: 7px 16px;
  display: flex;
  align-items: center;
  gap: 6px;
}
.opt-btn-accept svg { flex-shrink: 0; }

/* ── Lade-Spinner im Panel ────────────────────────────────────────────── */
.opt-loading-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 20px 16px;
  color: var(--text-muted);
  font-size: 13px;
}
.opt-loading-spinner {
  width: 16px;
  height: 16px;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: opt-spin 0.8s linear infinite;
  flex-shrink: 0;
}

/* ── Settings Optimize-Modell Select ─────────────────────────────────── */
#settings-optimize-model {
  background: var(--bg-primary);
  color: var(--text-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-family: var(--font);
  font-size: 13px;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%236b6b6b' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  padding-right: 28px !important;
}
#settings-optimize-model:focus {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}
#settings-optimize-model option {
  background: var(--bg-secondary);
  color: var(--text-primary);
}

/* ═══════════════════════════════════════════════════════════════════════
   PROMPT-OPTIMIERUNG — MOBILE ( ≤ 768px )
   ═══════════════════════════════════════════════════════════════════════ */
@media (max-width: 768px) {
  #optimize-diff-panel.open {
    max-height: 80vh;
  }

  .opt-panel-inner {
    border-radius: var(--radius-md);
    margin: 0 0 6px 0;
  }

  /* Auf Mobile: Spalten übereinander statt nebeneinander */
  .opt-split-view {
    grid-template-columns: 1fr;
    max-height: none;
  }

  .opt-col-original {
    border-right: none;
    border-bottom: 1px solid var(--border);
    max-height: 120px;
  }
  .opt-col-original .opt-col-text {
    max-height: 100px;
  }
  .opt-col-optimized .opt-col-text {
    max-height: 180px;
  }

  /* Footer auf Mobile: Buttons voll breit */
  .opt-footer {
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
    padding: 10px 12px;
  }
  .opt-footer-actions {
    flex-direction: column;
    gap: 8px;
  }
  .opt-btn-reject,
  .opt-btn-accept {
    width: 100%;
    justify-content: center;
    padding: 10px 16px;
    font-size: 14px;
  }
  .opt-btn-edit {
    justify-content: center;
    width: 100%;
  }

  /* Badges umbrechen sauber */
  .opt-badges {
    padding: 8px 12px;
    gap: 5px;
  }

  /* Optimize-Button auf Mobile etwas größer für Touch */
  #prompt-optimize-btn {
    width: 36px;
    height: 36px;
  }
}

/* ═══════════════════════════════════════════════════════════════════════
   EMOJI-REAKTIONEN
   ═══════════════════════════════════════════════════════════════════════ */

/* ── Reaction-Button (in message-actions) ───────────────────────── */
.reaction-btn {
  font-size: 15px;
  line-height: 1;
  transition: background 0.15s, transform 0.1s;
}
.reaction-btn.has-reaction {
  background: rgba(16, 163, 127, 0.12);
  color: var(--text-primary);
}
.reaction-btn.has-reaction:hover {
  background: rgba(16, 163, 127, 0.2);
}

/* ── Emoji Picker Popover ───────────────────────────────────────── */
.emoji-picker-popover {
  position: fixed;
  z-index: 2000;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 4px 6px;
  display: flex;
  gap: 2px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.3);
  animation: fadeIn 0.1s ease;
}
.ep-emoji-btn {
  width: 34px;
  height: 34px;
  border: none;
  background: transparent;
  cursor: pointer;
  font-size: 18px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.1s, background 0.1s;
  line-height: 1;
}
.ep-emoji-btn:hover {
  transform: scale(1.25);
  background: var(--bg-hover);
}
.ep-emoji-btn.active {
  background: rgba(16, 163, 127, 0.15);
  box-shadow: 0 0 0 2px var(--accent);
}

/* ── Reaction-Badge (an der Message-Bubble) ─────────────────────── */
.reaction-badge {
  display: inline-flex;
  align-items: center;
  margin-top: 6px;
  padding: 2px 7px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 12px;
  font-size: 16px;
  cursor: pointer;
  box-shadow: 0 1px 4px rgba(0,0,0,0.1);
  transition: background 0.15s;
  user-select: none;
  line-height: 1.4;
}
.reaction-badge:hover {
  background: var(--bg-hover);
}

/* ── Fokus-Styles (Tastaturnavigation) ──────────────────────────── */
.reaction-btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}
.ep-emoji-btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}
.reaction-badge:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* ── Favoriten-Modal: Emoji-Badge ───────────────────────────────── */
.fav-rating-badge {
  width: 22px;
  height: 22px;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 14px;
  line-height: 1;
  cursor: default;
}
.fav-rating-badge.unrated {
  opacity: 0;
}
.fav-item:hover .fav-rating-badge.unrated {
  opacity: 0.4;
}

@media (max-width: 768px) {
  .emoji-picker-popover {
    max-width: calc(100vw - 16px);
    flex-wrap: wrap;
    justify-content: center;
  }
}

/* ── Favoriten-Modal: Such-Zeile ────────────────────────────────── */
.fav-search-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-bottom: 1px solid var(--border-light);
  background: var(--bg-primary);
  flex-shrink: 0;
}

.fav-search-icon {
  display: flex;
  align-items: center;
  color: var(--text-muted);
  flex-shrink: 0;
}

.fav-search-input {
  flex: 1;
  font-size: 13px;
  padding: 5px 10px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg-secondary);
  color: var(--text-primary);
  font-family: var(--font);
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
  min-width: 0;
}
.fav-search-input::placeholder {
  color: var(--text-muted);
}
.fav-search-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(16, 163, 127, 0.15);
}

/* ── Favoriten-Modal: Treffermarkierung ─────────────────────────── */
mark.fav-search-highlight {
  background: rgba(250, 204, 21, 0.35);
  color: inherit;
  border-radius: 2px;
  padding: 0 1px;
  font-style: inherit;
  font-weight: inherit;
}

/* ── Favoriten-Modal: Filter-Bar ────────────────────────────────── */
.fav-filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 10px 20px;
  border-bottom: 1px solid var(--border-light);
  background: var(--bg-primary);
  align-items: center;
  flex-shrink: 0;
}

.fav-filter-label {
  font-size: 11px;
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.4px;
  margin-right: 2px;
}

.fav-filter-select {
  font-size: 12px;
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg-secondary);
  color: var(--text-primary);
  cursor: pointer;
  font-family: var(--font);
  outline: none;
  transition: border-color 0.15s;
}
.fav-filter-select:focus {
  border-color: rgba(255,255,255,0.2);
}

/* ── Statistik-Tab-Button in Favoriten-Modal ────────────────────── */
.fav-stats-tab-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  width: 100%;
  background: transparent;
  border: none;
  border-top: 1px solid var(--border-light);
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 13px;
  font-family: var(--font);
  text-align: left;
  transition: background 0.15s, color 0.15s;
  margin-top: auto;
}
.fav-stats-tab-btn:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}
.fav-stats-tab-btn.active {
  color: var(--accent);
  background: rgba(16, 163, 127, 0.08);
}

/* ── Statistik-Dashboard-Inhalt ────────────────────────────────── */
.ratings-dashboard-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 48px 24px;
  color: var(--text-muted);
  text-align: center;
  gap: 8px;
}
.ratings-dashboard-empty p {
  font-size: 15px;
  color: var(--text-secondary);
  font-weight: 500;
}
.ratings-dashboard-empty small {
  font-size: 13px;
  line-height: 1.5;
}

.ratings-dash-header {
  padding: 16px 20px 12px;
  border-bottom: 1px solid var(--border-light);
}
.ratings-dash-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
}
.ratings-dash-meta {
  font-size: 12px;
  color: var(--text-muted);
}

.ratings-section-label {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 12px;
}

.ratings-chart-section,
.ratings-rec-section,
.ratings-tag-section,
.ratings-export-section {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-light);
}

.ratings-bar-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
  font-size: 13px;
}

.ratings-bar-label {
  display: flex;
  align-items: center;
  gap: 5px;
  width: 140px;
  flex-shrink: 0;
  overflow: hidden;
}
.ratings-bar-model-name {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  color: var(--text-secondary);
  font-size: 12px;
}

.ratings-bar-track {
  flex: 1;
  height: 8px;
  background: var(--bg-hover);
  border-radius: 4px;
  overflow: hidden;
}
.ratings-bar-fill {
  height: 100%;
  border-radius: 4px;
  transition: width 0.6s ease;
}

.ratings-bar-pct {
  font-size: 12px;
  color: var(--text-secondary);
  width: 60px;
  flex-shrink: 0;
  text-align: right;
}
.ratings-bar-count {
  font-size: 11px;
  color: var(--text-muted);
  width: 36px;
  flex-shrink: 0;
  text-align: right;
}

.ratings-rec-hint {
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 10px;
}
.ratings-rec-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 8px;
  line-height: 1.4;
}
.ratings-rec-pct {
  margin-left: auto;
  font-size: 12px;
  flex-shrink: 0;
}

.ratings-tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.ratings-tag-chip {
  font-size: 12px;
  padding: 3px 10px;
  border-radius: 12px;
  background: rgba(248, 113, 113, 0.1);
  color: #f87171;
  border: 1px solid rgba(248, 113, 113, 0.2);
}

.ratings-export-section {
  display: flex;
  align-items: center;
  gap: 12px;
  border-bottom: none;
}

/* ── Mobile Anpassungen ────────────────────────────────────────── */
@media (max-width: 600px) {
  .fav-filter-bar {
    padding: 8px 12px;
    gap: 5px;
  }
  .ratings-bar-label {
    width: 90px;
  }
  .ratings-bar-pct {
    width: 50px;
  }
  .ratings-trend-section {
    padding: 12px 14px;
  }
  .ratings-trend-model-btn {
    font-size: 11px;
    padding: 3px 8px;
  }
}

/* ── Zeitverlauf-Diagramm ──────────────────────────────────────── */
.ratings-trend-section {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-light);
}

.ratings-trend-toggles {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 12px;
}

.ratings-trend-model-btn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 10px;
  border-radius: 12px;
  border: 1px solid var(--border-light);
  background: transparent;
  color: var(--text-muted);
  font-size: 12px;
  font-family: var(--font);
  cursor: pointer;
  transition: background 0.15s, color 0.15s, opacity 0.15s;
  opacity: 0.4;
  line-height: 1.4;
}
.ratings-trend-model-btn.active {
  color: var(--text-secondary);
  border-color: var(--model-color, var(--border-light));
  opacity: 1;
}
.ratings-trend-model-btn:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
  opacity: 1;
}

.rtm-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}
.rtm-name {
  white-space: nowrap;
}

.ratings-trend-chart-container {
  position: relative;
  width: 100%;
}

.ratings-trend-svg {
  width: 100%;
  height: auto;
  display: block;
  overflow: visible;
}

/* SVG-interne Klassen (fill/stroke werden inline gesetzt wo nötig) */
.rt-grid-line {
  stroke: var(--border-light);
  stroke-width: 1;
}
.rt-grid-mid {
  stroke: var(--border-color, rgba(255,255,255,0.18));
  stroke-dasharray: 4 3;
}
.rt-axis-label {
  fill: var(--text-muted);
  font-size: 9px;
  font-family: var(--font, sans-serif);
}
.rt-line {
  /* stroke + fill werden inline gesetzt */
}
.rt-dot {
  /* fill/stroke werden inline gesetzt */
}
.rt-hover-line {
  stroke: var(--text-muted);
  stroke-width: 1;
  stroke-dasharray: 3 3;
  pointer-events: none;
}
.rt-hit-area {
  cursor: crosshair;
}

.ratings-trend-tooltip {
  position: absolute;
  background: var(--bg-secondary);
  border: 1px solid var(--border-light);
  border-radius: 7px;
  padding: 8px 10px;
  pointer-events: none;
  z-index: 10;
  min-width: 130px;
  max-width: 210px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.32);
}
.rt-tooltip-day {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 6px;
  padding-bottom: 4px;
  border-bottom: 1px solid var(--border-light);
}
.rt-tooltip-row {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 11px;
  color: var(--text-muted);
  margin-bottom: 3px;
}
.rt-tooltip-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  flex-shrink: 0;
}
.rt-tooltip-name {
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  color: var(--text-secondary);
}
.rt-tooltip-val {
  flex-shrink: 0;
  font-weight: 600;
  color: var(--text-primary);
}

/* ═══════════════════════════════════════════════════════════════════
   Gemini-Style Attachment Bottom Sheet
   Ebene 1: Schlichtes Menü (Kamera · Galerie · Dateien)
   Ebene 2: Inline-Galerie mit 3-Spalten-Grid
   ═══════════════════════════════════════════════════════════════════ */

/* ── Overlay / Backdrop ─────────────────────────────────────────── */
.attachment-bs-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
  z-index: 1100;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}
.attachment-bs-overlay.visible {
  opacity: 1;
  pointer-events: auto;
}

/* ── Bottom Sheet Container ─────────────────────────────────────── */
.attachment-bs {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  display: flex;
  flex-direction: column;
  background: var(--bg-secondary);
  border-radius: 16px 16px 0 0;
  z-index: 1101;
  max-height: 85dvh;
  overflow: hidden;
  transform: translateY(100%);
  transition: transform 0.3s cubic-bezier(0.32, 0.72, 0, 1);
  pointer-events: none;
  padding-bottom: env(safe-area-inset-bottom, 0px);
}
.attachment-bs.visible {
  transform: translateY(0);
  pointer-events: auto;
}

/* ── Drag Handle ────────────────────────────────────────────────── */
.attachment-bs-handle {
  width: 36px;
  height: 4px;
  border-radius: 2px;
  background: var(--border);
  margin: 10px auto 4px;
  flex-shrink: 0;
}

/* ── Ebene 1: Menü-Liste ────────────────────────────────────────── */
.attachment-bs-menu {
  display: flex;
  flex-direction: column;
  padding: 4px 0 20px;
}
.attachment-bs-item {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 14px 24px;
  border: none;
  background: transparent;
  color: var(--text-primary);
  font-size: 15px;
  cursor: pointer;
  text-align: left;
  transition: background 0.15s;
  width: 100%;
}
.attachment-bs-item:hover,
.attachment-bs-item:active {
  background: var(--bg-hover);
}
.attachment-bs-item-icon {
  width: 22px;
  height: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  flex-shrink: 0;
}
.attachment-bs-item-icon svg {
  width: 20px;
  height: 20px;
}
.attachment-bs-item-label {
  color: var(--text-primary);
  font-weight: 400;
}

/* ── Ebene 2: Galerie-Ansicht ───────────────────────────────────── */
.attachment-bs-gallery {
  display: flex;
  flex-direction: column;
  flex: 1;
  overflow: hidden;
  min-height: 0;
}
.attachment-bs-gallery-header {
  display: flex;
  align-items: center;
  padding: 4px 16px 10px;
  gap: 8px;
  flex-shrink: 0;
}
.attachment-bs-back-btn {
  width: 32px;
  height: 32px;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  flex-shrink: 0;
  transition: background 0.15s;
  padding: 0;
}
.attachment-bs-back-btn:hover {
  background: var(--bg-hover);
}
.attachment-bs-back-btn svg {
  width: 18px;
  height: 18px;
}
.attachment-bs-gallery-title {
  flex: 1;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
}
.attachment-bs-gallery-confirm {
  border: none;
  background: var(--accent);
  color: #fff;
  border-radius: 20px;
  padding: 7px 18px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: opacity 0.15s;
  flex-shrink: 0;
}
.attachment-bs-gallery-confirm:disabled {
  opacity: 0.35;
  cursor: default;
}
.attachment-bs-gallery-confirm:not(:disabled):hover {
  opacity: 0.85;
}

/* ── Suchfeld ───────────────────────────────────────────────────── */
.attachment-bs-search {
  position: relative;
  padding: 0 16px 10px;
  flex-shrink: 0;
}
.attachment-bs-search-icon {
  position: absolute;
  left: 28px;
  top: 50%;
  transform: translateY(-60%);
  width: 15px;
  height: 15px;
  color: var(--text-muted);
  pointer-events: none;
}
.attachment-bs-search-input {
  width: 100%;
  background: var(--bg-hover);
  border: none;
  border-radius: 10px;
  padding: 9px 14px 9px 36px;
  font-size: 14px;
  color: var(--text-primary);
  outline: none;
  box-sizing: border-box;
}
.attachment-bs-search-input::placeholder {
  color: var(--text-muted);
}

/* ── Tabs (Fotos / Sammlungen) ──────────────────────────────────── */
.attachment-bs-tabs {
  display: flex;
  gap: 0;
  padding: 0 16px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}
.attachment-bs-tab {
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--text-muted);
  font-size: 14px;
  font-weight: 500;
  padding: 8px 16px 8px 0;
  cursor: pointer;
  transition: color 0.15s, border-color 0.15s;
}
.attachment-bs-tab.active {
  color: var(--text-primary);
  border-bottom-color: var(--accent);
}

/* ── 3-Spalten Foto-Grid ────────────────────────────────────────── */
.attachment-bs-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  overflow-y: auto;
  flex: 1;
  align-content: start;
  -webkit-overflow-scrolling: touch;
}
.attachment-bs-grid-item {
  position: relative;
  aspect-ratio: 1;
  cursor: pointer;
  overflow: hidden;
  background: var(--bg-hover);
}
.attachment-bs-grid-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: opacity 0.1s;
}
.attachment-bs-grid-item.selected img {
  opacity: 0.75;
}
.attachment-bs-grid-item.selected::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(99, 102, 241, 0.25);
  pointer-events: none;
}
.attachment-bs-grid-check {
  position: absolute;
  top: 6px;
  right: 6px;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--accent);
  border: 2px solid #fff;
  display: none;
  align-items: center;
  justify-content: center;
}
.attachment-bs-grid-item.selected .attachment-bs-grid-check {
  display: flex;
}
.attachment-bs-grid-check svg {
  width: 12px;
  height: 12px;
  stroke: #fff;
  fill: none;
}

/* ── Leere Galerie / Auswahl-Prompt ─────────────────────────────── */
.attachment-bs-empty {
  grid-column: 1 / -1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 48px 24px;
  color: var(--text-muted);
  font-size: 14px;
  gap: 12px;
  text-align: center;
}
.attachment-bs-empty svg {
  color: var(--text-muted);
  opacity: 0.5;
}
.attachment-bs-select-prompt {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  margin: 0 16px 8px;
  background: var(--bg-hover);
  border-radius: 10px;
  cursor: pointer;
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 500;
  transition: background 0.15s;
  border: none;
  width: calc(100% - 32px);
  text-align: left;
}
.attachment-bs-select-prompt:hover {
  background: var(--bg-active);
}
.attachment-bs-select-prompt svg {
  color: var(--accent);
  flex-shrink: 0;
}

/* ══════════════════════════════════════════════════════════════════════
   THEME SYSTEM — Light / System / Akzentfarben
   ══════════════════════════════════════════════════════════════════════ */

/* ── Light Theme ─────────────────────────────────────────────────── */
html[data-theme="light"] {
  --bg-primary:      #ffffff;
  --bg-secondary:    #f4f4f5;
  --bg-hover:        #e4e4e7;
  --bg-active:       #d4d4d8;
  --bg-input:        #f4f4f5;
  --bg-sidebar:      #f4f4f5;
  --bg-message-user: #efefef;
  --text-primary:    #18181b;
  --text-secondary:  #52525b;
  --text-muted:      #a1a1aa;
  --border:          rgba(0,0,0,0.09);
  --border-light:    rgba(0,0,0,0.05);
}

/* Scrollbar im Light-Modus */
html[data-theme="light"] ::-webkit-scrollbar-thumb {
  background: rgba(0,0,0,0.18);
}
html[data-theme="light"] ::-webkit-scrollbar-thumb:hover {
  background: rgba(0,0,0,0.28);
}

/* Box-Shadows & Overlays im Light-Modus aufhellen */
html[data-theme="light"] .modal {
  box-shadow: 0 8px 24px rgba(0,0,0,0.18);
}
html[data-theme="light"] .context-menu {
  box-shadow: 0 8px 24px rgba(0,0,0,0.18);
}
html[data-theme="light"] #input-area {
  box-shadow: 0 8px 24px rgba(0,0,0,0.10);
}

/* Send-Button im Light-Modus */
html[data-theme="light"] #send-btn:not(:disabled):hover {
  background: #18181b;
}

/* ── System-Theme (folgt OS-Einstellung via prefers-color-scheme) ── */
@media (prefers-color-scheme: light) {
  html[data-theme="system"] {
    --bg-primary:      #ffffff;
    --bg-secondary:    #f4f4f5;
    --bg-hover:        #e4e4e7;
    --bg-active:       #d4d4d8;
    --bg-input:        #f4f4f5;
    --bg-sidebar:      #f4f4f5;
    --bg-message-user: #efefef;
    --text-primary:    #18181b;
    --text-secondary:  #52525b;
    --text-muted:      #a1a1aa;
    --border:          rgba(0,0,0,0.09);
    --border-light:    rgba(0,0,0,0.05);
  }
  html[data-theme="system"] ::-webkit-scrollbar-thumb { background: rgba(0,0,0,0.18); }
  html[data-theme="system"] ::-webkit-scrollbar-thumb:hover { background: rgba(0,0,0,0.28); }
  html[data-theme="system"] .modal { box-shadow: 0 8px 24px rgba(0,0,0,0.18); }
  html[data-theme="system"] .context-menu { box-shadow: 0 8px 24px rgba(0,0,0,0.18); }
  html[data-theme="system"] #input-area { box-shadow: 0 8px 24px rgba(0,0,0,0.10); }
  html[data-theme="system"] #send-btn:not(:disabled):hover { background: #18181b; }
}

/* ── Akzentfarben ─────────────────────────────────────────────────── */
/* Grün = Standard (:root), keine extra Klasse nötig */
html.accent-blue   { --accent: #3b82f6; --accent-hover: #60a5fa; --accent-rgb: 59, 130, 246; }
html.accent-purple { --accent: #8b5cf6; --accent-hover: #a78bfa; --accent-rgb: 139, 92, 246; }
html.accent-orange { --accent: #f97316; --accent-hover: #fb923c; --accent-rgb: 249, 115, 22; }

/* ── Theme-Übergang: sanfte Transition beim Dark/Light-Wechsel ───── */
/* Klasse wird in applyTheme() für 300ms gesetzt und dann entfernt.   */
/* !important überschreibt alle Element-eigenen Transitions temporär.  */
html.theme-transitioning,
html.theme-transitioning *,
html.theme-transitioning *::before,
html.theme-transitioning *::after {
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease !important;
}

/* ── Datum/Uhrzeit-Chip im Header ────────────────────────────────────── */
.datetime-chip {
  display: flex;
  align-items: center;
  font-family: 'SF Mono', 'Fira Code', 'Consolas', monospace;
  font-size: 12px;
  color: var(--accent);
  background: rgba(var(--accent-rgb), 0.08);
  border: 1px solid rgba(var(--accent-rgb), 0.2);
  border-radius: 6px;
  padding: 3px 9px;
  white-space: nowrap;
  user-select: none;
  letter-spacing: 0.01em;
  flex-shrink: 0;
}

@media (max-width: 600px) {
  .datetime-chip .datetime-date {
    display: none;
  }
}

/* ── Theme-Modus-Picker (Settings) ──────────────────────────────── */
.theme-mode-picker {
  display: flex;
  gap: 6px;
  margin-bottom: 4px;
}
.theme-mode-btn {
  flex: 1;
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 13px;
  font-family: var(--font);
  transition: background 0.15s, color 0.15s, border-color 0.15s;
}
.theme-mode-btn:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}
.theme-mode-btn.active {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

/* ── Akzentfarb-Picker (Settings) ────────────────────────────────── */
.theme-accent-picker {
  display: flex;
  gap: 10px;
  margin-bottom: 4px;
}
.theme-accent-swatch {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 3px solid transparent;
  cursor: pointer;
  transition: border-color 0.15s, transform 0.15s;
  padding: 0;
  outline: none;
}
.theme-accent-swatch:hover {
  transform: scale(1.12);
}
.theme-accent-swatch.active {
  border-color: var(--text-primary);
}

/* ══════════════════════════════════════════════════════════════════
   SIDEBAR BAUMANSICHT (Branch Tree View)
══════════════════════════════════════════════════════════════════ */

/* Toggle-Button in der "Deine Chats" Section-Header-Leiste.
   Erscheint zwischen Titel und Sektion-Chevron. Im aktiven Zustand
   (Baumansicht an) leuchtet das Icon in der Akzentfarbe. */
.tree-mode-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  border: none;
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  border-radius: 4px;
  padding: 0;
  flex-shrink: 0;
  transition: background 0.15s, color 0.15s;
}
.tree-mode-btn:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}
.tree-mode-btn.active {
  color: var(--accent);
}
.tree-mode-btn svg {
  width: 12px;
  height: 12px;
}

/* Wrapper um ein Chat-Item plus seine Kind-Items.
   position:relative ist Voraussetzung für die ::before Connector-Linie. */
.tree-node-wrapper {
  position: relative;
}

/* Container für alle direkten Kinder eines Chat-Items.
   border-left ist die vertikale Verbindungslinie.
   margin-left schiebt die Kinder nach rechts (Einrückung). */
.tree-children-container {
  margin-left: 16px;
  border-left: 1px solid var(--border);
}

/* Horizontaler Connector-Arm (└─) für jedes Kind-Node.
   Geht von der border-left der tree-children-container bis zum
   linken Rand des chat-item. */
.tree-children-container > .tree-node-wrapper::before {
  content: '';
  position: absolute;
  left: -16px;
  top: 15px;
  width: 14px;
  height: 1px;
  background: var(--border);
  pointer-events: none;
}

/* Chat-Items in der Baumansicht erhalten padding-left per JS
   (12 + depth * 16 px). Hier nur die Klasse für Targeting. */
.chat-item.tree-child {
  /* padding-left wird per JS gesetzt */
}

/* ── Archiv-Bereich ──────────────────────────────────────────────────────── */
.archived-chat-item {
  opacity: 0.75;
}

.archive-item-date {
  font-size: 11px;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  flex-shrink: 0;
}

.archive-restore-btn:hover {
  background: var(--bg-active);
  color: var(--accent);
}

.archive-danger-btn:hover {
  background: rgba(239, 68, 68, 0.12);
  color: #ef4444;
}

/* ── Per-Modell-Einstellungen ──────────────────────────────────────────────── */

.model-search-input {
  width: 100%;
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg-input, var(--bg));
  color: var(--text);
  font-size: 13px;
  margin-bottom: 12px;
  box-sizing: border-box;
}

.model-override-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
  max-height: 420px;
  overflow-y: auto;
}

.model-override-item {
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
}

.model-override-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  cursor: pointer;
  background: var(--bg-secondary, var(--bg));
  user-select: none;
}

.model-override-header:hover {
  background: var(--bg-hover, var(--border));
}

.model-override-name {
  flex: 1;
  font-size: 12px;
  font-family: monospace;
  color: var(--text);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.model-override-toggle-label {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 11px;
  color: var(--text-muted);
  white-space: nowrap;
  cursor: pointer;
}

.model-override-body {
  padding: 12px;
  border-top: 1px solid var(--border);
  background: var(--bg);
}

.provider-badge {
  display: inline-block;
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  white-space: nowrap;
}

.provider-badge--openai   { background: #10a37f22; color: #10a37f; }
.provider-badge--anthropic { background: #d4774422; color: #c66030; }
.provider-badge--google   { background: #4285f422; color: #4285f4; }
.provider-badge--ollama   { background: var(--border); color: var(--text-muted); }

.reasoning-note {
  font-size: 11px;
  color: var(--text-muted);
  font-style: italic;
  padding: 4px 0;
}

.model-override-temp-slider {
  width: calc(100% - 70px);
  vertical-align: middle;
}

.model-override-temp-number {
  width: 60px;
  margin-left: 6px;
  padding: 2px 4px;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: var(--bg);
  color: var(--text);
  font-size: 12px;
  vertical-align: middle;
}

.model-override-prompt {
  width: 100%;
  padding: 6px 8px;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: var(--bg);
  color: var(--text);
  font-size: 12px;
  resize: vertical;
  box-sizing: border-box;
}