:root {
  --cream: #f8f5f0;
  --ink: #1a1a1a;
  --muted: #8a8680;
  --rule: #d4d0c8;
  --code-bg: #f0ebe4;
  --sent: #555;
  --accent: #9A7E0A;
}

@media (prefers-color-scheme: dark) {
  :root {
    --cream: #141414;
    --ink: #e8e4df;
    --muted: #777;
    --rule: #2a2a2a;
    --code-bg: #1e1e1e;
    --sent: #999;
    --accent: #FFD700;
  }
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: 'Source Serif Pro', Georgia, serif;
  background: var(--cream);
  color: var(--ink);
  min-height: 100vh;
  display: flex;
  justify-content: center;
  padding: 20px 20px 40px;
}

.container a:not(.logo-link) {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 0.15em;
}

.container a:not(.logo-link):visited {
  color: var(--accent);
}

.container a:not(.logo-link):hover {
  color: var(--ink);
}

.container {
  width: 100%;
  max-width: 720px;
}

/* ─────────────────────────────────────────────────────────────
   Masthead
   ───────────────────────────────────────────────────────────── */

.masthead {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 0;
  border-bottom: 1px solid var(--rule);
  margin-bottom: 28px;
  position: sticky;
  top: 0;
  background: var(--cream);
  z-index: 50;
  transition: padding 0.2s ease;
}

.masthead.compact {
  padding: 8px 0;
}

.masthead h1 {
  font-family: 'Cormorant Garamond', serif;
  font-size: 24px;
  font-weight: 400;
  letter-spacing: 0.05em;
  margin: 0;
  line-height: 0.75;
  transition: font-size 0.2s ease;
}

.masthead.compact h1 {
  font-size: 18px;
}

.logo-link {
  text-decoration: none;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  color: inherit;
}

.logo-link h1 {
  color: #1a1a1a;
}

.logo-link:hover h1 {
  color: #333;
}

@media (prefers-color-scheme: dark) {
  .logo-link h1 {
    color: #FFD700;
  }

  .logo-link:hover h1 {
    color: #FFC700;
  }
}

.by-ente {
  font-family: 'Gilroy', 'Gilroy-SemiBold', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-weight: 500;
  font-size: 16px;
  color: var(--muted);
  margin-top: -4px;
}

.ente-brand {
  font-weight: 700;
}

.logo-link:hover .by-ente {
  color: var(--ink);
}

.masthead.compact .by-ente {
  font-size: 12px;
  margin-top: -2px;
}

.masthead-controls {
  display: flex;
  align-items: center;
  gap: 16px;
}

/* ─────────────────────────────────────────────────────────────
   Context Warning
   ───────────────────────────────────────────────────────────── */

.context-warning {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 12px;
  background: #fef3cd;
  border: 1px solid #ffc107;
  border-radius: 6px;
  margin-bottom: 12px;
  font-size: 13px;
  color: #856404;
  position: sticky;
  top: 57px;
  z-index: 49;
}

@media (prefers-color-scheme: dark) {
  .context-warning {
    background: #3d3200;
    border-color: #665200;
    color: #ffc107;
  }
}

.context-warning .warning-text {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 1;
}

.context-warning .warning-text i,
.context-warning .warning-text svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

.context-warning .warning-text svg {
  stroke-width: 1.2;
}

.context-warning .warning-action {
  padding: 4px 12px;
  background: #FFD700;
  color: #1a1a1a;
  border: none;
  border-radius: 4px;
  font-size: 13px;
  cursor: pointer;
  font-family: inherit;
}

.context-warning .warning-action:hover {
  opacity: 0.9;
}

.context-warning .warning-dismiss {
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  color: inherit;
  opacity: 0.6;
}

.context-warning .warning-dismiss:hover {
  opacity: 1;
}

.context-warning .warning-dismiss i {
  width: 16px;
  height: 16px;
}

.status {
  font-size: 10px;
  letter-spacing: 0.1em;
  color: var(--muted);
  text-transform: uppercase;
}

.status.error {
  color: #c44;
}

/* ─────────────────────────────────────────────────────────────
   Provider Indicator
   ───────────────────────────────────────────────────────────── */

.provider-indicator {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted);
  padding: 2px 6px;
  border-radius: 3px;
  background: var(--rule);
}

.provider-indicator.browser {
  background: rgba(154, 126, 10, 0.15);
  color: var(--accent);
}

.provider-indicator .provider-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--muted);
}

.provider-indicator.browser .provider-dot {
  background: var(--accent);
}

/* ─────────────────────────────────────────────────────────────
   Model Loading Banner (non-blocking)
   ───────────────────────────────────────────────────────────── */

.local-banner {
  position: fixed;
  top: 70px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 150;
  max-width: 320px;
  width: calc(100% - 40px);
}

.local-banner-content {
  background: var(--cream);
  border: 1px solid var(--rule);
  padding: 12px 16px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.local-banner-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}

.local-banner-text {
  font-size: 11px;
  font-family: 'Source Serif Pro', serif;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.local-banner-cancel {
  background: none;
  border: none;
  color: var(--muted);
  font-size: 18px;
  line-height: 1;
  cursor: pointer;
  padding: 0 4px;
  opacity: 0.6;
  transition: opacity 0.15s;
}

.local-banner-cancel:hover {
  opacity: 1;
  color: var(--ink);
}

.local-banner-progress {
  height: 2px;
  background: var(--rule);
  overflow: hidden;
}

.local-banner-bar {
  height: 100%;
  background: var(--muted);
  width: 0%;
  transition: width 0.3s ease;
}

/* Browser Model Card Extras */
.picker-option .model-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 2px;
  font-size: 9px;
  color: var(--muted);
}

.picker-option .model-badge {
  padding: 1px 5px;
  border-radius: 3px;
  background: var(--rule);
  font-size: 8px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.picker-option .model-badge.cached {
  background: rgba(154, 126, 10, 0.15);
  color: var(--accent);
}

.picker-option .model-badge.vision {
  background: rgba(100, 100, 200, 0.15);
  color: #6666aa;
}

.picker-option .model-badge.needs-key {
  background: rgba(200, 150, 50, 0.15);
  color: #aa8833;
}

@media (prefers-color-scheme: dark) {
  .picker-option .model-badge.vision {
    color: #9999dd;
  }
  .picker-option .model-badge.needs-key {
    color: #ddaa55;
  }
}

/* Loading animation in message */
.loading-text {
  color: var(--muted);
  font-style: italic;
}

.loading-text::after {
  content: '';
  animation: ellipsis 1.5s infinite;
}

@keyframes ellipsis {
  0% { content: ''; }
  25% { content: '.'; }
  50% { content: '..'; }
  75% { content: '...'; }
}

/* ─────────────────────────────────────────────────────────────
   Picker (Dropdown)
   ───────────────────────────────────────────────────────────── */

.picker {
  position: relative;
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.picker-btn {
  background: none;
  border: none;
  color: var(--muted);
  font-family: inherit;
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
  padding: 4px 0;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: color 0.2s;
}

.picker-btn:hover {
  color: var(--ink);
}

.picker-btn::after {
  content: '▾';
  font-size: 8px;
}

/* Picker Modal Styles */
.picker-modal .picker-modal-content {
  background: var(--cream);
  border: 1px solid var(--rule);
  border-radius: 12px;
  width: 90%;
  max-width: 360px;
  max-height: 70vh;
  display: flex;
  flex-direction: column;
  box-shadow: 0 8px 32px rgba(0,0,0,0.2);
}

#sessionModal .picker-modal-content {
  width: 92%;
  max-width: 420px;
}

#modelModal .picker-modal-content {
  width: 88%;
  max-width: 360px;
}

@media (prefers-color-scheme: dark) {
  .picker-modal .picker-modal-content {
    box-shadow: 0 8px 32px rgba(0,0,0,0.5);
  }
}

.picker-modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 20px;
  border-bottom: 1px solid var(--rule);
}

.picker-modal-header h2 {
  font-family: 'Cormorant Garamond', serif;
  font-size: 18px;
  font-weight: 700;
  margin: 0;
}

.modal-close-minimal {
  background: none;
  border: none;
  padding: 4px;
  cursor: pointer;
  color: var(--muted);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color 0.2s;
}

.modal-close-minimal:hover {
  color: var(--ink);
}

.modal-close-minimal svg {
  width: 18px;
  height: 18px;
  stroke-width: 1.2;
}

.picker-modal-body {
  flex: 1;
  overflow-y: auto;
  padding: 8px 0;
}

.picker-modal-option {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 12px 20px;
  background: none;
  border: none;
  font-family: inherit;
  font-size: 13px;
  text-align: left;
  color: var(--ink);
  cursor: pointer;
  transition: background 0.15s;
}

.picker-modal-option:hover {
  background: var(--warm);
}

.picker-modal-option.active {
  background: var(--warm);
}

.picker-modal-option svg {
  width: 16px;
  height: 16px;
  stroke-width: 1.2;
  color: var(--muted);
}

.new-chat-option {
  color: var(--accent);
}

.new-chat-option svg {
  color: var(--accent);
}

.picker-modal-divider {
  height: 1px;
  background: var(--rule);
  margin: 8px 0;
}

.picker-modal-label {
  padding: 12px 20px 6px;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.picker-modal-label .picker-label-settings {
  background: none;
  border: none;
  padding: 2px;
  cursor: pointer;
  color: var(--muted);
  display: flex;
}

.picker-modal-label .picker-label-settings:hover {
  color: var(--ink);
}

.picker-modal-label .picker-label-settings svg {
  width: 12px;
  height: 12px;
}

.picker-modal-hint {
  padding: 8px 20px 12px;
  font-size: 12px;
  color: var(--muted);
  font-style: italic;
}

/* Model option in modal */
.model-option {
  display: flex;
  flex-direction: column;
  gap: 3px;
  width: 100%;
}

.model-option-name {
  font-weight: 500;
}

.model-option-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  color: var(--muted);
}

.model-option-meta .model-badge {
  font-size: 9px;
  padding: 1px 5px;
  border-radius: 3px;
}

/* Session option */
.session-option {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  gap: 12px;
}

.session-option-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
  flex: 1;
  min-width: 0;
}

.session-option-name {
  font-weight: 400;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.session-option-meta {
  font-size: 11px;
  color: var(--muted);
}

.session-option-delete {
  background: none;
  border: none;
  padding: 4px;
  color: var(--muted);
  cursor: pointer;
  opacity: 0.25;
  transition: opacity 0.15s, color 0.15s;
  flex-shrink: 0;
}

.session-option-delete svg {
  width: 14px;
  height: 14px;
  stroke-width: 1.2;
}

.session-option-delete:hover {
  opacity: 1;
}

.session-option-delete:hover svg {
  stroke: #d33;
}

.picker-option {
  display: block;
  width: 100%;
  padding: 10px 14px;
  background: none;
  border: none;
  font-family: inherit;
  font-size: 11px;
  letter-spacing: 0.05em;
  text-align: left;
  cursor: pointer;
  color: var(--ink);
  transition: background 0.15s;
}

.picker-option:hover {
  background: var(--rule);
}

.picker-option.active {
  font-weight: 600;
}

.picker-option:disabled {
  color: var(--muted);
  cursor: not-allowed;
}

.picker-option:disabled:hover {
  background: none;
}

.picker-divider {
  height: 1px;
  background: var(--rule);
}

.picker-meta {
  padding: 8px 14px;
  font-size: 9px;
  color: var(--muted);
  border-top: 1px solid var(--rule);
}

/* Provider picker styling */
#providerPicker .picker-btn {
  display: flex;
  align-items: center;
  gap: 6px;
}

#providerPicker .picker-btn::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
}

.picker-option .model-badge {
  margin-left: auto;
}

/* Settings button */
.settings-btn {
  background: none;
  border: none;
  color: var(--muted);
  cursor: pointer;
  padding: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color 0.2s;
}

.settings-btn:hover {
  color: var(--ink);
}

.settings-btn svg {
  width: 16px;
  height: 16px;
  stroke-width: 1.2;
}

/* Settings Modal */
.settings-modal .settings-content {
  background: var(--cream);
  border: 1px solid var(--rule);
  border-radius: 12px;
  max-width: 400px;
  width: 90%;
  max-height: 80vh;
  overflow-y: auto;
  box-shadow: 0 8px 32px rgba(0,0,0,0.2);
}

@media (prefers-color-scheme: dark) {
  .settings-modal .settings-content {
    box-shadow: 0 8px 32px rgba(0,0,0,0.5);
  }
}

.settings-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 20px;
  border-bottom: 1px solid var(--rule);
}

.settings-title {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.settings-header h2 {
  font-family: 'Cormorant Garamond', serif;
  font-size: 18px;
  font-weight: 600;
  margin: 0;
}

.settings-subtitle {
  font-size: 11px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.settings-header .modal-close {
  position: static;
  color: var(--muted);
}

.settings-body {
  padding: 20px;
}

.settings-section {
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--rule);
}

.settings-section h3 {
  font-size: 11px;
  font-weight: 500;
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted);
}

.settings-section .section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.settings-section .section-header h3 {
  margin: 0;
}

.settings-field {
  margin-bottom: 12px;
}

.settings-field:last-child {
  margin-bottom: 0;
}

.settings-field label {
  display: block;
  font-size: 12px;
  color: var(--muted);
  margin-bottom: 4px;
}

.settings-field input {
  width: 100%;
  padding: 8px 12px;
  border: 1px solid var(--rule);
  background: var(--cream);
  color: var(--ink);
  font-family: inherit;
  font-size: 13px;
  border-radius: 4px;
}

.settings-field input:focus {
  outline: none;
  border-color: var(--ink);
}

.settings-field input::placeholder {
  color: var(--muted);
}

.settings-field select {
  width: 100%;
  padding: 8px 12px;
  border: 1px solid var(--rule);
  background: var(--cream);
  color: var(--ink);
  font-family: inherit;
  font-size: 13px;
  border-radius: 4px;
  cursor: pointer;
}

.settings-field select:focus {
  outline: none;
  border-color: var(--ink);
}

.settings-footer {
  padding: 16px 20px;
  border-top: 1px solid var(--rule);
}

.settings-note {
  font-size: 11px;
  color: var(--muted);
  margin: 0 0 12px 0;
  font-style: italic;
}

.settings-note.warning {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 2px;
  background: rgba(200, 150, 50, 0.1);
  border: 1px solid rgba(200, 150, 50, 0.3);
  border-radius: 6px;
  padding: 10px 12px;
  font-style: normal;
  color: var(--ink);
  line-height: 1.4;
  text-align: left;
}

.settings-note.warning strong {
  color: #b08030;
  flex-shrink: 0;
}

@media (prefers-color-scheme: dark) {
  .settings-note.warning {
    background: rgba(200, 150, 50, 0.08);
  }
  .settings-note.warning strong {
    color: #d4a040;
  }
}

.settings-note.info {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 2px;
  background: rgba(74, 103, 65, 0.1);
  border: 1px solid rgba(74, 103, 65, 0.3);
  border-radius: 6px;
  padding: 10px 12px;
  font-style: normal;
  color: var(--ink);
  line-height: 1.4;
  text-align: left;
}

.settings-note.info strong {
  color: var(--accent);
  flex-shrink: 0;
}

@media (prefers-color-scheme: dark) {
  .settings-note.info {
    background: rgba(122, 159, 112, 0.1);
  }
  .settings-note.info strong {
    color: var(--accent);
  }
}

.settings-save {
  width: 100%;
  padding: 10px;
  background: var(--ink);
  color: var(--cream);
  border: none;
  border-radius: 6px;
  font-family: inherit;
  font-size: 13px;
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.settings-save:hover {
  opacity: 0.9;
}

/* API Type Toggle */
.api-type-toggle {
  display: flex;
  border: 1px solid var(--rule);
  border-radius: 4px;
  overflow: hidden;
}

.api-type-btn {
  flex: 1;
  padding: 6px 12px;
  background: var(--cream);
  border: none;
  font-family: inherit;
  font-size: 12px;
  color: var(--muted);
  cursor: pointer;
  transition: all 0.2s;
}

.api-type-btn:not(:last-child) {
  border-right: 1px solid var(--rule);
}

.api-type-btn:hover {
  background: var(--warm);
}

.api-type-btn.active {
  background: var(--ink);
  color: var(--cream);
}

/* Section header with add button */
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.section-header h3 {
  margin: 0;
  font-family: 'Cormorant Garamond', serif;
  font-size: 15px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted);
}

.add-model-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  background: transparent;
  border: 1px solid var(--rule);
  border-radius: 4px;
  color: var(--muted);
  cursor: pointer;
  transition: all 0.15s;
}

.add-model-btn:hover {
  background: #FFD700;
  border-color: #FFD700;
  color: #1a1a1a;
}

.add-model-btn svg {
  width: 14px;
  height: 14px;
}

/* Input with toggle (show/hide password) */
.input-with-toggle {
  display: flex;
  align-items: center;
  gap: 0;
}

.input-with-toggle input {
  flex: 1;
  border-top-right-radius: 0;
  border-bottom-right-radius: 0;
  border-right: none;
}

.toggle-visibility {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: var(--cream);
  border: 1px solid var(--rule);
  border-left: none;
  border-radius: 0 4px 4px 0;
  color: var(--muted);
  cursor: pointer;
  transition: color 0.15s;
}

.toggle-visibility:hover {
  color: var(--ink);
}

.toggle-visibility svg {
  width: 16px;
  height: 16px;
}

/* Models list in settings */
.models-list {
  margin-top: 12px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.models-list-empty {
  color: var(--muted);
  font-size: 12px;
  font-style: italic;
  padding: 8px 0;
}

.models-list-empty strong {
  font-style: normal;
}

.model-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 10px;
  background: rgba(128, 128, 128, 0.05);
  border: 1px solid var(--rule);
  border-radius: 4px;
  font-size: 13px;
}

.model-item-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.model-item-name {
  font-weight: 500;
  color: var(--ink);
}

.model-item-id {
  font-size: 11px;
  color: var(--muted);
  font-family: monospace;
}

.model-item-badges {
  display: flex;
  gap: 4px;
  margin-top: 2px;
}

.model-item-badge {
  font-size: 9px;
  padding: 1px 4px;
  border-radius: 3px;
  background: var(--rule);
  color: var(--muted);
  text-transform: uppercase;
}

.model-item-badge.vision {
  background: #e8f5e9;
  color: #2e7d32;
}

.model-item-badge.custom,
.model-badge.custom {
  background: #e3f2fd;
  color: #1565c0;
}

@media (prefers-color-scheme: dark) {
  .model-item-badge.vision {
    background: #1b3d1f;
    color: #81c784;
  }
  
  .model-item-badge.custom,
  .model-badge.custom {
    background: #1a237e;
    color: #90caf9;
  }
}

.model-item-actions {
  display: flex;
  gap: 4px;
}

.model-item-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  background: transparent;
  border: none;
  color: var(--muted);
  cursor: pointer;
  border-radius: 3px;
  transition: all 0.15s;
}

.model-item-btn:hover {
  background: var(--rule);
  color: var(--ink);
}

.model-item-btn.delete:hover {
  background: #ffebee;
  color: #c62828;
}

@media (prefers-color-scheme: dark) {
  .model-item-btn.delete:hover {
    background: #3d1f1f;
    color: #ef9a9a;
  }
}

.model-item-btn svg {
  width: 14px;
  height: 14px;
}

/* Add Model Modal */
.add-model-modal .add-model-content {
  background: var(--cream);
  border: 1px solid var(--rule);
  border-radius: 12px;
  max-width: 400px;
  width: 90%;
  max-height: 85vh;
  overflow-y: auto;
  box-shadow: 0 8px 32px rgba(0,0,0,0.2);
}

.model-tabs {
  display: flex;
  gap: 0;
  margin-bottom: 16px;
  border: 1px solid var(--rule);
  border-radius: 6px;
  overflow: hidden;
}

.model-tab {
  flex: 1;
  padding: 8px 16px;
  border: none;
  background: transparent;
  font-family: inherit;
  font-size: 13px;
  cursor: pointer;
  color: var(--muted);
  transition: all 0.15s ease;
}

.model-tab:not(:last-child) {
  border-right: 1px solid var(--rule);
}

.model-tab:hover {
  background: var(--code-bg);
}

.model-tab.active {
  background: var(--ink);
  color: var(--cream);
}

.model-tab-content {
  /* Content container */
}

.model-preset-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
  max-height: 280px;
  overflow-y: auto;
  padding-right: 4px;
}

.model-preset-item {
  display: flex;
  align-items: center;
  padding: 10px 12px;
  border: 1px solid var(--rule);
  border-radius: 6px;
  background: transparent;
  cursor: pointer;
  text-align: left;
  font-family: inherit;
  transition: all 0.15s ease;
}

.model-preset-item:hover {
  background: var(--rule);
}

.model-preset-item.selected {
  border-color: var(--ink);
  background: var(--code-bg);
}

.preset-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.preset-name {
  font-size: 13px;
  font-weight: 500;
  color: var(--ink);
}

.preset-desc {
  font-size: 11px;
  color: var(--muted);
}

.add-model-modal .settings-footer {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
}

.field-hint {
  display: block;
  font-size: 11px;
  color: var(--muted);
  margin-top: 4px;
}

.checkbox-field label {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  font-size: 13px;
}

.checkbox-field input[type="checkbox"] {
  width: 16px;
  height: 16px;
  accent-color: var(--accent);
}

.btn-secondary {
  padding: 8px 16px;
  background: transparent;
  border: 1px solid var(--rule);
  color: var(--ink);
  border-radius: 4px;
  font-family: inherit;
  font-size: 13px;
  cursor: pointer;
  transition: all 0.15s;
}

.btn-secondary:hover {
  background: var(--rule);
}

.btn-primary {
  padding: 8px 16px;
  background: #FFD700;
  border: none;
  color: #1a1a1a;
  border-radius: 4px;
  font-family: inherit;
  font-size: 13px;
  cursor: pointer;
  transition: opacity 0.15s;
}

.btn-primary:hover {
  opacity: 0.9;
}

.settings-note {
  display: flex;
  align-items: center;
  gap: 6px;
}

.settings-modal svg {
  stroke-width: 1.2;
}

.settings-note svg {
  width: 14px;
  height: 14px;
  color: var(--accent);
}

/* Model provider tag in button */
.model-provider-tag {
  font-size: 8px;
  padding: 1px 4px;
  border-radius: 3px;
  background: var(--rule);
  color: var(--muted);
  margin-left: 4px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  vertical-align: middle;
}

/* Session list */
.session-dropdown {
  max-height: 400px;
  overflow-y: auto;
}

.session-list {
  max-height: 300px;
  overflow-y: auto;
}

.session-item {
  display: flex;
  align-items: center;
  padding: 10px 14px;
  gap: 8px;
  cursor: pointer;
  transition: background 0.15s;
}

.session-item:hover {
  background: var(--rule);
}

.session-item.active {
  background: var(--rule);
}

.session-name {
  flex: 1;
  font-size: 11px;
  color: var(--ink);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.session-meta {
  font-size: 9px;
  color: var(--muted);
  white-space: nowrap;
}

.session-delete {
  background: none;
  border: none;
  color: var(--muted);
  cursor: pointer;
  padding: 2px 6px;
  font-size: 14px;
  opacity: 0;
  transition: opacity 0.15s, color 0.15s;
}

.session-item:hover .session-delete {
  opacity: 1;
}

.session-delete:hover {
  color: var(--ink);
}

.session-empty {
  padding: 14px;
  font-size: 11px;
  color: var(--muted);
  text-align: center;
  font-style: italic;
}

.picker-label {
  padding: 8px 14px 4px;
  font-size: 9px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.picker-label-settings {
  background: none;
  border: none;
  padding: 2px;
  cursor: pointer;
  color: var(--muted);
  display: flex;
  align-items: center;
}

.picker-label-settings:hover {
  color: var(--ink);
}

.picker-label-settings svg {
  width: 11px;
  height: 11px;
  stroke-width: 1.2;
}

.picker-hint {
  padding: 8px 14px;
  font-size: 11px;
  color: var(--muted);
  font-style: italic;
}

/* ─────────────────────────────────────────────────────────────
   Chat Area
   ───────────────────────────────────────────────────────────── */

.chat-area {
  padding-bottom: 120px;
  min-height: 50vh;
}

.welcome {
  text-align: center;
  padding: 60px 20px;
}

.welcome-text {
  font-size: 14px;
  color: var(--muted);
  font-style: italic;
}

.message {
  margin-bottom: 28px;
  opacity: 0;
  animation: reveal 0.5s ease forwards;
  position: relative;
}

@keyframes reveal {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.message.sent {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  padding-left: 80px;
  min-width: 0;
  max-width: 100%;
}

.message.sent .message-images {
  justify-content: flex-end;
}

.message.received {
  padding-right: 80px;
}

.message .text {
  font-size: 15px;
  line-height: 1.7;
}

.message.sent .text {
  color: var(--sent);
  text-align: left;
  max-width: 100%;
  min-width: 0;
  word-wrap: break-word;
  overflow-wrap: break-word;
  white-space: pre-wrap;
  overflow-x: auto;
}

.message-images {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 8px;
}

.message-images img {
  max-width: 200px;
  max-height: 150px;
  border-radius: 6px;
  border: 1px solid var(--rule);
  cursor: pointer;
}

.message-images img:hover {
  opacity: 0.85;
}

/* ─────────────────────────────────────────────────────────────
   Image Modal
   ───────────────────────────────────────────────────────────── */

.modal {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 1000;
  align-items: center;
  justify-content: center;
  padding: 40px;
}

.modal.open {
  display: flex;
}

.modal-close {
  position: absolute;
  top: 20px;
  right: 20px;
  background: none;
  border: none;
  color: #fff;
  cursor: pointer;
  padding: 8px;
  opacity: 0.7;
  transition: opacity 0.2s;
}

.modal-close:hover {
  opacity: 1;
}

.modal-close svg {
  width: 24px;
  height: 24px;
  stroke-width: 1.2;
}

.modal-image {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  border-radius: 4px;
}

.message.received .text {
  color: var(--ink);
}

.message-footer {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 8px;
}

.message.sent .message-footer {
  flex-direction: row-reverse;
  justify-content: flex-start;
}

.timestamp {
  font-size: 10px;
  color: var(--muted);
  letter-spacing: 0.1em;
}

.copy-btn {
  background: none;
  border: none;
  color: var(--muted);
  cursor: pointer;
  padding: 2px;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.2s, color 0.2s;
}

.message:hover .copy-btn {
  opacity: 1;
}

.copy-btn:hover {
  color: var(--ink);
}

.copy-btn svg,
.retry-btn svg {
  width: 12px;
  height: 12px;
  stroke-width: 1.2;
}

.message.no-content .copy-btn {
  display: none;
}

.thinking-box {
  background: var(--rule);
  border-radius: 6px;
  padding: 12px;
  margin-bottom: 8px;
}

.thinking-label {
  font-size: 0.75em;
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 8px;
}

.thinking-content {
  color: var(--muted);
  font-size: 0.9em;
  line-height: 1.5;
  max-height: 200px;
  overflow-y: auto;
}

.thinking-collapsed {
  background: var(--rule);
  border-radius: 6px;
  padding: 8px 12px;
  margin-bottom: 12px;
  font-size: 0.85em;
}

.thinking-collapsed summary {
  cursor: pointer;
  color: var(--muted);
  font-style: italic;
  list-style: none;
  display: flex;
  align-items: center;
  gap: 6px;
}

.thinking-collapsed summary::-webkit-details-marker {
  display: none;
}

.thinking-collapsed summary:hover {
  color: var(--ink);
}

.thinking-collapsed summary .chevron {
  width: 14px;
  height: 14px;
  transition: transform 0.2s;
}

.thinking-collapsed[open] summary .chevron {
  transform: rotate(180deg);
}

.thinking-collapsed .thinking-content {
  margin-top: 8px;
  padding-top: 8px;
  border-top: 1px solid var(--cream);
  max-height: 300px;
}

.retry-btn {
  background: none;
  border: none;
  color: var(--muted);
  cursor: pointer;
  padding: 2px;
  display: none;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.2s, color 0.2s;
}

/* Only show retry on last received message when done */
.message.received.done:last-of-type .retry-btn {
  display: flex;
}

.message:hover .retry-btn {
  opacity: 1;
}

.retry-btn:hover {
  color: var(--ink);
}

.divider {
  display: flex;
  align-items: center;
  gap: 16px;
  margin: 32px 0;
  color: var(--rule);
}

.divider::before, .divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--rule);
}

.divider span {
  font-size: 18px;
}

/* ─────────────────────────────────────────────────────────────
   Markdown Styles (Assistant messages)
   ───────────────────────────────────────────────────────────── */

.message.received .text p {
  margin: 0 0 0.75em 0;
}

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

.message.received .text h1,
.message.received .text h2,
.message.received .text h3 {
  font-family: 'Cormorant Garamond', serif;
  margin: 1em 0 0.5em 0;
  font-weight: 600;
}

.message.received .text h1 { font-size: 1.4em; }
.message.received .text h2 { font-size: 1.2em; }
.message.received .text h3 { font-size: 1.1em; }

.message.received .text ul,
.message.received .text ol {
  margin: 0.5em 0;
  padding-left: 1.5em;
}

.message.received .text li {
  margin: 0.25em 0;
}

.message.received .text code {
  background: var(--code-bg);
  padding: 0.15em 0.4em;
  border-radius: 3px;
  font-family: 'SF Mono', Menlo, Monaco, monospace;
  font-size: 0.85em;
}

.message.received .text pre {
  background: var(--code-bg);
  padding: 12px 16px;
  border-radius: 4px;
  overflow-x: auto;
  margin: 0.75em 0;
}

.message.received .text pre code {
  background: transparent;
  padding: 0;
  font-size: 0.8em;
  line-height: 1.5;
}

.message.received .text blockquote {
  border-left: 2px solid var(--muted);
  margin: 0.75em 0;
  padding-left: 16px;
  color: var(--muted);
  font-style: italic;
}

.message.received .text strong {
  font-weight: 600;
}

.message.received .text em {
  font-style: italic;
}

.message.received .text a {
  color: var(--accent);
  text-decoration: underline;
}

.message.received .text hr {
  border: none;
  border-top: 1px solid var(--rule);
  margin: 1em 0;
}

/* ─────────────────────────────────────────────────────────────
   Input Area
   ───────────────────────────────────────────────────────────── */

.input-area {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  width: 100%;
  background: var(--cream);
  border: 1px solid transparent;
  border-top-color: var(--rule);
  border-radius: 0;
  padding: 20px;
  display: flex;
  justify-content: center;
  z-index: 100;
  box-shadow: none;
  transition: 
    bottom 0.3s ease,
    width 0.3s ease,
    max-width 0.3s ease,
    padding 0.3s ease,
    border-radius 0.3s ease,
    border-color 0.3s ease,
    box-shadow 0.3s ease;
}

/* Floating style when scrolled */
.input-area.floating {
  left: 50%;
  right: auto;
  transform: translateX(-50%);
  bottom: 16px;
  width: calc(100% - 40px);
  max-width: 720px;
  border: 1px solid rgba(180, 175, 165, 0.4);
  border-radius: 14px;
  padding: 10px 16px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
}

.input-area.floating:focus-within {
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.1);
}

.input-wrap {
  width: 100%;
  max-width: 720px;
  margin: 0;
  padding: 0;
}

.image-preview {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 12px;
  padding-left: 0;
}

.image-preview:empty {
  display: none;
  margin-bottom: 0;
}

.image-preview-item {
  position: relative;
  width: 60px;
  height: 60px;
  border-radius: 6px;
  overflow: hidden;
  border: 1px solid var(--rule);
}

.image-preview-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.image-preview-item .remove-btn {
  position: absolute;
  top: 2px;
  right: 2px;
  width: 18px;
  height: 18px;
  background: var(--ink);
  color: var(--cream);
  border: none;
  border-radius: 50%;
  cursor: pointer;
  font-size: 12px;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}

.image-preview-item .remove-btn:hover {
  background: #c44;
}

.input-row {
  display: flex;
  align-items: flex-end;
  gap: 0;
  position: relative;
}

.attach-btn {
  background: none;
  border: none;
  color: var(--muted);
  cursor: pointer;
  padding: 8px;
  padding-bottom: 10px;
  transition: color 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.attach-btn:hover,
.attach-btn.active {
  color: var(--ink);
}

.attach-btn svg,
.attach-btn i {
  width: 18px;
  height: 18px;
  stroke-width: 1.2;
}

#input {
  flex: 1;
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--muted);
  padding: 10px 0;
  font-family: 'Source Serif Pro', serif;
  font-size: 15px;
  color: var(--ink);
  outline: none;
  transition: border-color 0.2s, padding 0.25s, border 0.25s;
  resize: none;
  overflow-y: hidden;
  min-height: 38px;
  max-height: 62px;
  line-height: 1.4;
}

#input:focus {
  border-bottom-color: var(--ink);
}

/* Remove underline in floating mode */
.input-area.floating #input {
  border-bottom: none;
  padding: 8px 4px;
}

#input::placeholder {
  color: var(--muted);
  opacity: 1;
}

#input::-webkit-input-placeholder {
  color: var(--muted);
  opacity: 1;
}

#input::-moz-placeholder {
  color: var(--muted);
  opacity: 1;
}

#input:-ms-input-placeholder {
  color: var(--muted);
  opacity: 1;
}

#input:disabled {
  opacity: 0.5;
}

.send-btn {
  background: none;
  border: none;
  color: var(--rule);
  cursor: default;
  padding: 8px;
  padding-right: 0;
  padding-bottom: 10px;
  transition: color 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.send-btn.ready {
  color: var(--ink);
  cursor: pointer;
}

.send-btn.ready:hover {
  color: var(--accent);
}

.send-btn:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

.send-btn svg,
.send-btn i {
  width: 18px;
  height: 18px;
  display: block;
  stroke-width: 1.2;
}

.send-btn.stop {
  color: var(--ink);
}

.send-btn.stop svg {
  fill: currentColor;
}

.send-btn.stop:hover {
  color: #c44;
}

/* ─────────────────────────────────────────────────────────────
   Scroll to Bottom Button
   ───────────────────────────────────────────────────────────── */

.scroll-to-bottom {
  position: fixed;
  bottom: 90px;
  right: 24px;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--cream);
  border: 1px solid var(--rule);
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.1);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ink);
  transition: all 0.2s ease;
  z-index: 99;
  opacity: 0;
  transform: translateY(10px);
  pointer-events: none;
}

.scroll-to-bottom.visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.scroll-to-bottom:hover {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}

.scroll-to-bottom svg,
.scroll-to-bottom i {
  width: 20px;
  height: 20px;
}

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

@media (max-width: 600px) {
  body {
    padding: 20px 16px;
    font-size: 16px;
  }

  /* Standard mobile typography (avoid zoom-on-focus on iOS) */
  .message .text {
    font-size: 17px;
  }

  #input {
    font-size: 17px;
  }

  .welcome-text {
    font-size: 16px;
  }

  .timestamp {
    font-size: 12px;
  }

  /* App bar typography */
  .masthead h1 {
    font-size: 26px;
    line-height: 0.9;
  }

  .masthead.compact h1 {
    font-size: 22px;
  }

  .by-ente {
    font-size: 15px;
  }

  .masthead.compact .by-ente {
    font-size: 13px;
  }

  .picker-btn {
    font-size: 13px;
    padding: 6px 0;
    letter-spacing: 0.08em;
  }

  .picker-btn::after {
    font-size: 9px;
  }

  /* Picker modal sizing (model/session lists) */
  .picker-modal-option {
    font-size: 12px;
  }

  .picker-modal-label {
    font-size: 9px;
  }

  /* Mobile-specific modal widths: give sessions more room */
  #sessionModal .picker-modal-content {
    width: 96%;
    max-width: 440px;
  }

  #modelModal .picker-modal-content {
    width: 92%;
    max-width: 380px;
  }
  
  .masthead {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }
  
  .masthead-controls {
    width: 100%;
    justify-content: space-between;
  }
  
  .message.sent {
    padding-left: 40px;
  }
  
  .message.received {
    padding-right: 40px;
  }
  
  .input-area {
    padding: 16px;
  }
  
  .input-area.floating {
    bottom: 12px;
    width: calc(100% - 24px);
    padding: 8px 12px;
    border-radius: 12px;
  }
  
  .scroll-to-bottom {
    bottom: 85px;
    right: 16px;
    width: 36px;
    height: 36px;
  }
}