:root {
  --bg-primary: #0d0d0d;
  --bg-secondary: #171717;
  --bg-tertiary: #212121;
  --bg-hover: #2a2a2a;
  --text-primary: #ececec;
  --text-secondary: #a1a1a1;
  --text-tertiary: #6b6b6b;
  --border-color: #2e2e2e;
  --accent: #7c6fe0;
  --accent-hover: #6a5dcc;
  --sidebar-width: 280px;
  --input-bg: #2a2a2a;
  --scrollbar-thumb: #3a3a3a;
  --code-bg: #1a1a2e;
  --success: #34d399;
  --warning: #fbbf24;
  --danger: #f87171;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Cascadia Code', monospace;
}

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

html, body {
  height: 100%;
  font-family: var(--font-sans);
  background: var(--bg-primary);
  color: var(--text-primary);
  overflow: hidden;
}

body {
  display: flex;
}

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--scrollbar-thumb); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: #555; }

/* ─── Sidebar ─── */
.sidebar {
  width: var(--sidebar-width);
  height: 100vh;
  background: var(--bg-secondary);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  transition: transform 0.3s ease;
  z-index: 100;
  flex-shrink: 0;
}

.sidebar.collapsed {
  transform: translateX(-100%);
  position: absolute;
}

.sidebar-header {
  padding: 12px;
  border-bottom: 1px solid var(--border-color);
}

.new-chat-btn {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border: 1px solid var(--border-color);
  border-radius: 10px;
  background: transparent;
  color: var(--text-primary);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.2s;
}

.new-chat-btn:hover {
  background: var(--bg-hover);
}

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

.conv-item {
  display: flex;
  align-items: center;
  padding: 10px 12px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 13px;
  color: var(--text-secondary);
  transition: background 0.15s;
  position: relative;
  gap: 8px;
}

.conv-item:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.conv-item.active {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

.conv-item .conv-title {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.conv-item .conv-delete {
  opacity: 0;
  border: none;
  background: none;
  color: var(--text-tertiary);
  cursor: pointer;
  padding: 2px;
  font-size: 16px;
  line-height: 1;
  transition: opacity 0.15s, color 0.15s;
}

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

.conv-item .conv-delete:hover {
  color: var(--danger);
}

.sidebar-footer {
  padding: 12px;
  border-top: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.temperature-control label {
  display: block;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-tertiary);
  margin-bottom: 4px;
}

.temperature-control input[type="range"] {
  width: 100%;
  height: 4px;
  border-radius: 2px;
  appearance: none;
  background: var(--bg-tertiary);
  outline: none;
}

.temperature-control input[type="range"]::-webkit-slider-thumb {
  appearance: none;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--accent);
  cursor: pointer;
}

/* ─── Main ─── */
.main {
  flex: 1;
  display: flex;
  flex-direction: column;
  height: 100vh;
  position: relative;
  min-width: 0;
}

/* ─── Top Bar ─── */
.topbar {
  display: flex;
  align-items: center;
  padding: 8px 16px;
  border-bottom: 1px solid var(--border-color);
  background: var(--bg-primary);
  flex-shrink: 0;
  min-height: 52px;
  z-index: 50;
}

.topbar .sidebar-toggle {
  position: static;
  background: transparent;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 6px;
  border-radius: 6px;
  transition: background 0.15s;
  display: block;
  flex-shrink: 0;
}

.topbar .sidebar-toggle:hover {
  background: var(--bg-hover);
}

.topbar-spacer {
  flex: 1;
}

/* ─── Model Picker (ChatGPT-style) ─── */
.model-picker {
  position: relative;
  margin-left: 8px;
}

.model-picker-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border: none;
  border-radius: 8px;
  background: transparent;
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s;
  white-space: nowrap;
}

.model-picker-btn:hover {
  background: var(--bg-hover);
}

.model-picker-btn svg {
  color: var(--text-tertiary);
  transition: transform 0.2s;
}

.model-picker.open .model-picker-btn svg {
  transform: rotate(180deg);
}

.model-picker-dropdown {
  display: none;
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  min-width: 320px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
  z-index: 200;
  overflow: hidden;
  animation: dropdownIn 0.15s ease;
}

@keyframes dropdownIn {
  from { opacity: 0; transform: translateY(-4px); }
  to { opacity: 1; transform: translateY(0); }
}

.model-picker.open .model-picker-dropdown {
  display: block;
}

.model-dropdown-header {
  padding: 12px 16px 8px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-tertiary);
}

.model-dropdown-list {
  padding: 0 6px 6px;
  max-height: 400px;
  overflow-y: auto;
}

.model-option {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 10px 12px;
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.12s;
  border: none;
  background: none;
  width: 100%;
  text-align: left;
  font-family: var(--font-sans);
  color: var(--text-primary);
}

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

.model-option.active {
  background: var(--bg-tertiary);
}

.model-option-check {
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 1px;
  color: var(--accent);
}

.model-option-check svg {
  display: none;
}

.model-option.active .model-option-check svg {
  display: block;
}

.model-option-info {
  flex: 1;
  min-width: 0;
}

.model-option-name {
  font-size: 14px;
  font-weight: 500;
  line-height: 1.3;
}

.model-option-desc {
  font-size: 12px;
  color: var(--text-tertiary);
  line-height: 1.4;
  margin-top: 2px;
}

.model-option-badge {
  font-size: 10px;
  font-weight: 600;
  padding: 2px 6px;
  border-radius: 4px;
  background: var(--bg-primary);
  color: var(--text-secondary);
  flex-shrink: 0;
  margin-top: 2px;
}

/* ─── Loading Banner ─── */
.model-loading-banner {
  display: flex;
  flex-direction: column;
  padding: 12px 16px;
  background: linear-gradient(90deg, rgba(124, 111, 224, 0.08), rgba(79, 70, 229, 0.12), rgba(124, 111, 224, 0.08));
  border-bottom: 1px solid rgba(124, 111, 224, 0.2);
  flex-shrink: 0;
  animation: fadeIn 0.3s ease;
  gap: 8px;
}

.loading-banner-top {
  display: flex;
  align-items: center;
  gap: 10px;
}

.loading-spinner {
  width: 16px;
  height: 16px;
  border: 2px solid var(--border-color);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  flex-shrink: 0;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.loading-text {
  font-size: 13px;
  color: var(--text-secondary);
}

.loading-logs {
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.5;
  color: var(--text-tertiary);
  background: rgba(0, 0, 0, 0.3);
  border-radius: 6px;
  padding: 8px 10px;
  max-height: 120px;
  overflow-y: auto;
  white-space: pre-wrap;
  word-break: break-all;
  margin: 0;
}

.loading-logs:empty {
  display: none;
}

/* ─── Welcome ─── */
.welcome {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 40px 20px;
  gap: 16px;
}

.welcome-logo {
  width: 72px;
  height: 72px;
  border-radius: 20px;
  background: linear-gradient(135deg, var(--accent), #4f46e5);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  margin-bottom: 8px;
}

.welcome h1 {
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -0.5px;
}

.welcome-sub {
  font-size: 15px;
  color: var(--text-secondary);
  max-width: 420px;
  text-align: center;
}

.suggestions {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  margin-top: 24px;
  max-width: 600px;
  width: 100%;
}

.suggestion {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 14px 16px;
  border: 1px solid var(--border-color);
  border-radius: 12px;
  background: transparent;
  color: var(--text-secondary);
  font-size: 13px;
  font-family: var(--font-sans);
  text-align: left;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
  line-height: 1.4;
}

.suggestion:hover {
  background: var(--bg-hover);
  border-color: var(--text-tertiary);
  color: var(--text-primary);
}

.suggestion-icon {
  font-size: 18px;
  flex-shrink: 0;
}

/* ─── Chat ─── */
.chat-container {
  flex: 1;
  overflow-y: auto;
  padding-bottom: 20px;
}

.messages {
  max-width: 768px;
  margin: 0 auto;
  padding: 20px 24px;
}

.message {
  display: flex;
  gap: 16px;
  padding: 20px 0;
  animation: fadeIn 0.3s ease;
}

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

.message + .message {
  border-top: 1px solid var(--border-color);
}

.message-avatar {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 600;
  margin-top: 2px;
}

.message-avatar.user {
  background: var(--accent);
  color: white;
}

.message-avatar.assistant {
  background: linear-gradient(135deg, #4f46e5, var(--accent));
  color: white;
}

.message-content {
  flex: 1;
  min-width: 0;
  line-height: 1.7;
  font-size: 15px;
}

.message-role {
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 4px;
  color: var(--text-primary);
}

.message-body {
  color: var(--text-primary);
}

.message-body p { margin-bottom: 12px; }
.message-body p:last-child { margin-bottom: 0; }

.message-body ul,
.message-body ol {
  margin: 8px 0;
  padding-left: 24px;
}

.message-body li { margin-bottom: 4px; }
.message-body strong { font-weight: 600; }

.message-body code {
  background: var(--code-bg);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 13px;
  font-family: var(--font-mono);
}

.message-body pre {
  background: #0d1117;
  border-radius: 8px;
  padding: 16px;
  overflow-x: auto;
  margin: 12px 0;
  position: relative;
}

.message-body pre code {
  background: none;
  padding: 0;
  font-size: 13px;
  line-height: 1.5;
}

.copy-code-btn {
  position: absolute;
  top: 8px;
  right: 8px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  font-size: 11px;
  padding: 4px 8px;
  border-radius: 4px;
  cursor: pointer;
  opacity: 0;
  transition: opacity 0.15s;
}

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

.copy-code-btn:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.message-body table {
  border-collapse: collapse;
  margin: 12px 0;
  width: 100%;
}

.message-body th,
.message-body td {
  border: 1px solid var(--border-color);
  padding: 8px 12px;
  text-align: left;
  font-size: 13px;
}

.message-body th {
  background: var(--bg-tertiary);
  font-weight: 600;
}

.message-body blockquote {
  border-left: 3px solid var(--accent);
  padding: 8px 16px;
  margin: 12px 0;
  background: var(--bg-tertiary);
  border-radius: 0 8px 8px 0;
  color: var(--text-secondary);
}

.typing-indicator {
  display: inline-flex;
  gap: 4px;
  padding: 4px 0;
}

.typing-indicator span {
  width: 6px;
  height: 6px;
  background: var(--text-tertiary);
  border-radius: 50%;
  animation: bounce 1.4s infinite ease-in-out;
}

.typing-indicator span:nth-child(1) { animation-delay: 0s; }
.typing-indicator span:nth-child(2) { animation-delay: 0.2s; }
.typing-indicator span:nth-child(3) { animation-delay: 0.4s; }

@keyframes bounce {
  0%, 80%, 100% { transform: scale(0.6); opacity: 0.4; }
  40% { transform: scale(1); opacity: 1; }
}

/* ─── Input ─── */
.input-area {
  padding: 0 24px 20px;
  flex-shrink: 0;
}

.input-form {
  max-width: 768px;
  margin: 0 auto;
}

.input-wrapper {
  display: flex;
  align-items: flex-end;
  background: var(--input-bg);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 8px 12px;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.input-wrapper:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(124, 111, 224, 0.15);
}

.input-wrapper textarea {
  flex: 1;
  border: none;
  background: transparent;
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 15px;
  resize: none;
  outline: none;
  max-height: 200px;
  padding: 6px 4px;
  line-height: 1.5;
}

.input-wrapper textarea::placeholder {
  color: var(--text-tertiary);
}

.send-btn,
.stop-btn {
  width: 36px;
  height: 36px;
  border: none;
  border-radius: 10px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s;
  flex-shrink: 0;
}

.send-btn {
  background: var(--accent);
  color: white;
}

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

.send-btn:disabled {
  background: var(--bg-tertiary);
  color: var(--text-tertiary);
  cursor: not-allowed;
}

.stop-btn {
  background: var(--danger);
  color: white;
}

.stop-btn:hover {
  background: #ef4444;
}

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

/* ─── PubMed Status Indicator ─── */
.pubmed-status {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 11px;
  font-weight: 600;
  color: var(--text-tertiary);
  flex-shrink: 0;
  cursor: default;
}

.pubmed-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--text-tertiary);
  flex-shrink: 0;
}

.pubmed-dot.active {
  background: var(--success);
  box-shadow: 0 0 6px rgba(52, 211, 153, 0.4);
}

.pubmed-dot.warning {
  background: var(--warning);
  box-shadow: 0 0 6px rgba(251, 191, 36, 0.4);
}

.pubmed-dot.inactive {
  background: var(--text-tertiary);
}

/* ─── Patient Context Panel ─── */
.patient-context-panel {
  max-width: 768px;
  margin: 0 auto 8px;
}

.patient-context-toggle {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  border: none;
  border-radius: 8px;
  background: transparent;
  color: var(--text-tertiary);
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}

.patient-context-toggle:hover {
  background: var(--bg-hover);
  color: var(--text-secondary);
}

.patient-context-panel.open .patient-context-toggle {
  color: var(--accent);
}

.patient-context-chevron {
  transition: transform 0.2s;
  margin-left: auto;
}

.patient-context-panel.open .patient-context-chevron {
  transform: rotate(180deg);
}

.patient-context-body {
  margin-top: 4px;
}

.patient-context-body textarea {
  width: 100%;
  border: 1px solid var(--border-color);
  border-radius: 10px;
  background: var(--bg-tertiary);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 13px;
  padding: 10px 12px;
  resize: vertical;
  outline: none;
  line-height: 1.5;
  min-height: 60px;
  transition: border-color 0.2s;
}

.patient-context-body textarea::placeholder {
  color: var(--text-tertiary);
}

.patient-context-body textarea:focus {
  border-color: var(--accent);
}

/* ─── Source Citation Cards ─── */
.sources-section {
  margin-top: 12px;
}

.sources-toggle {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  background: transparent;
  color: var(--text-secondary);
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
}

.sources-toggle:hover {
  background: var(--bg-hover);
  border-color: var(--text-tertiary);
}

.sources-section.open .sources-toggle {
  border-color: var(--accent);
  color: var(--accent);
}

.sources-chevron {
  transition: transform 0.2s;
  margin-left: 2px;
}

.sources-section.open .sources-chevron {
  transform: rotate(180deg);
}

.sources-cards {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: 8px;
}

.source-card {
  display: block;
  padding: 10px 12px;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  background: var(--bg-tertiary);
  text-decoration: none;
  color: var(--text-primary);
  transition: border-color 0.15s, background 0.15s;
}

.source-card:hover {
  border-color: var(--accent);
  background: var(--bg-hover);
}

.source-card-title {
  font-size: 13px;
  font-weight: 500;
  line-height: 1.4;
  margin-bottom: 4px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.source-card-meta {
  font-size: 11px;
  color: var(--text-tertiary);
  line-height: 1.3;
}

.source-card-pmid {
  font-size: 10px;
  font-weight: 600;
  color: var(--accent);
  margin-top: 3px;
}

/* ─── PubMed Used Badge ─── */
.pubmed-used-badge {
  display: inline-block;
  font-size: 9px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 1px 6px;
  margin-left: 8px;
  border-radius: 4px;
  background: rgba(52, 211, 153, 0.12);
  color: var(--success);
  vertical-align: middle;
}

/* ─── Welcome Sub-detail ─── */
.welcome-sub-detail {
  font-size: 12px;
  color: var(--text-tertiary);
  margin-top: 2px;
  display: inline-block;
}

/* ─── Deep Thinking Toggle ─── */
.deep-thinking-btn {
  width: 36px;
  height: 36px;
  border: none;
  border-radius: 10px;
  background: transparent;
  color: var(--text-tertiary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: background 0.15s, color 0.15s, box-shadow 0.2s;
}

.deep-thinking-btn:hover {
  background: var(--bg-hover);
  color: var(--text-secondary);
}

.deep-thinking-btn.active {
  background: linear-gradient(135deg, rgba(251, 191, 36, 0.15), rgba(245, 158, 11, 0.2));
  color: var(--warning);
  box-shadow: 0 0 8px rgba(251, 191, 36, 0.2);
}

.deep-thinking-btn.active:hover {
  background: linear-gradient(135deg, rgba(251, 191, 36, 0.2), rgba(245, 158, 11, 0.28));
}

.deep-thinking-badge {
  display: inline-block;
  font-size: 9px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 1px 6px;
  margin-left: 8px;
  border-radius: 4px;
  background: rgba(251, 191, 36, 0.12);
  color: var(--warning);
  vertical-align: middle;
}

.deep-hint {
  font-size: 12px;
  color: var(--text-tertiary);
  font-style: italic;
  margin-left: 4px;
}

/* ─── Phase Progress Panel ─── */
.phase-progress-panel {
  margin-bottom: 12px;
  border: 1px solid var(--border-color);
  border-radius: 10px;
  overflow: hidden;
  background: var(--bg-secondary);
}

.phase-progress-toggle {
  display: flex;
  align-items: center;
  gap: 6px;
  width: 100%;
  padding: 8px 12px;
  border: none;
  background: transparent;
  color: var(--warning);
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s;
}

.phase-progress-toggle:hover {
  background: var(--bg-hover);
}

.phase-progress-chevron {
  transition: transform 0.2s;
  margin-left: auto;
  color: var(--text-tertiary);
}

.phase-progress-panel.open .phase-progress-chevron {
  transform: rotate(180deg);
}

.phase-progress-list {
  padding: 0 12px 8px;
}

.phase-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 4px 0;
  font-size: 12px;
  color: var(--text-secondary);
  animation: fadeIn 0.2s ease;
}

.phase-item.complete {
  color: var(--success);
}

.phase-item.running {
  color: var(--warning);
}

.phase-item.halted {
  color: var(--danger);
}

.phase-name {
  font-weight: 500;
  flex-shrink: 0;
}

.phase-detail {
  color: var(--text-tertiary);
  font-size: 11px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.phase-check {
  color: var(--success);
  font-size: 13px;
  font-weight: 700;
  width: 16px;
  text-align: center;
  flex-shrink: 0;
}

.phase-halt {
  color: var(--danger);
  font-size: 13px;
  font-weight: 700;
  width: 16px;
  text-align: center;
  flex-shrink: 0;
}

.phase-pending {
  color: var(--text-tertiary);
  width: 16px;
  text-align: center;
  flex-shrink: 0;
}

.phase-spinner {
  width: 12px;
  height: 12px;
  border: 2px solid rgba(251, 191, 36, 0.2);
  border-top-color: var(--warning);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  flex-shrink: 0;
  margin: 0 2px;
}

/* ─── Responsive ─── */
@media (max-width: 768px) {
  .sidebar {
    position: absolute;
    height: 100vh;
  }

  .sidebar:not(.collapsed) {
    box-shadow: 4px 0 20px rgba(0, 0, 0, 0.5);
  }

  .suggestions {
    grid-template-columns: 1fr;
  }

  .messages {
    padding: 16px;
  }

  .model-picker-dropdown {
    min-width: 280px;
  }
}