/* ==========================================================================
   SANGIANG CHATBOT - GEMINI-INSPIRED MODERN DESIGN SYSTEM
   Initiated by: Yayasan Cipta Manggala Dwipa
   AI Engineering & Translation: Divisi DigiLab CMD
   ========================================================================== */

:root {
  /* Gemini Obsidian Dark Theme (Default) */
  --bg-app: #131314;
  --bg-sidebar: #1e1f20;
  --bg-sidebar-hover: #282a2c;
  --bg-sidebar-active: #333538;
  --bg-surface: #1e1f20;
  --bg-surface-elevated: #282a2c;
  --bg-prompt: #1e1f20;
  --bg-prompt-focus: #232527;
  
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-medium: rgba(255, 255, 255, 0.14);
  --border-focus: rgba(168, 85, 247, 0.55);

  --text-primary: #e3e3e3;
  --text-secondary: #c4c7c5;
  --text-muted: #8e918f;
  --text-inverse: #131314;

  /* Gemini Aurora Signature Gradients */
  --aurora-blue: #4da3ff;
  --aurora-purple: #a269ff;
  --aurora-pink: #ff6da8;
  --aurora-gradient: linear-gradient(135deg, #4da3ff 0%, #a269ff 50%, #ff6da8 100%);
  --aurora-glow: 0 0 25px rgba(162, 105, 255, 0.35);
  --sparkle-gradient: linear-gradient(135deg, #70a6ff 0%, #c084fc 50%, #f472b6 100%);

  /* User Message Bubble */
  --user-bubble-bg: #282a2c;
  --user-bubble-text: #e3e3e3;

  /* UI Tokens */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-pill: 9999px;

  --sidebar-width: 280px;
  --header-height: 64px;
  --max-content-width: 820px;

  --font-ui: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-sangihe: 'Gentium Plus', 'Outfit', serif;
}

/* Light Theme Variant */
body.light-theme {
  --bg-app: #ffffff;
  --bg-sidebar: #f0f4f9;
  --bg-sidebar-hover: #e1e7f0;
  --bg-sidebar-active: #d3dce8;
  --bg-surface: #f8fafc;
  --bg-surface-elevated: #ffffff;
  --bg-prompt: #f0f4f9;
  --bg-prompt-focus: #ffffff;

  --border-subtle: rgba(0, 0, 0, 0.08);
  --border-medium: rgba(0, 0, 0, 0.15);
  --border-focus: rgba(162, 105, 255, 0.7);

  --text-primary: #1f1f1f;
  --text-secondary: #444746;
  --text-muted: #747775;
  --text-inverse: #ffffff;

  --user-bubble-bg: #e1e7f0;
  --user-bubble-text: #1f1f1f;
}

/* Base Styles & Resets */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body {
  height: 100%;
  width: 100%;
  font-family: var(--font-ui);
  background-color: var(--bg-app);
  color: var(--text-primary);
  overflow: hidden;
  -webkit-font-smoothing: antialiased;
}

button, input, select, textarea {
  font-family: inherit;
  color: inherit;
}

/* --------------------------------------------------------------------------
   App Layout
   -------------------------------------------------------------------------- */
.gemini-app {
  display: flex;
  height: 100vh;
  height: 100dvh;
  width: 100vw;
  position: relative;
  overflow: hidden;
}

.sidebar-backdrop {
  display: none;
}

/* --------------------------------------------------------------------------
   Sidebar
   -------------------------------------------------------------------------- */
.gemini-sidebar {
  width: var(--sidebar-width);
  height: 100%;
  background-color: var(--bg-sidebar);
  border-right: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  padding: 16px 12px;
  transition: transform 0.28s cubic-bezier(0.4, 0, 0.2, 1), width 0.28s ease;
  z-index: 100;
  flex-shrink: 0;
}

.gemini-sidebar.collapsed {
  transform: translateX(-100%);
  width: 0;
  padding: 0;
  margin: 0;
  border-right: none;
  visibility: hidden;
}

.sidebar-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
}

.btn-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-pill);
  background: transparent;
  border: none;
  color: var(--text-secondary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s ease;
}

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

.btn-new-chat {
  flex: 1;
  height: 44px;
  border-radius: var(--radius-pill);
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  font-weight: 500;
  font-size: 0.95rem;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 0 18px;
  cursor: pointer;
  transition: all 0.2s ease;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.15);
}

.btn-new-chat:hover {
  background: var(--bg-sidebar-active);
  border-color: var(--border-medium);
  transform: translateY(-1px);
}

.sidebar-section-title {
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  padding: 8px 12px 6px 12px;
}

.recent-chats-list {
  flex: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: 12px;
}

.recent-chats-list::-webkit-scrollbar {
  width: 5px;
}
.recent-chats-list::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 4px;
}

.recent-chat-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  border-radius: var(--radius-pill);
  color: var(--text-secondary);
  font-size: 0.92rem;
  cursor: pointer;
  transition: all 0.18s ease;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

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

.recent-chat-item.active {
  background-color: var(--bg-sidebar-active);
  color: var(--aurora-blue);
  font-weight: 500;
}

.chat-title {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.sidebar-footer {
  border-top: 1px solid var(--border-subtle);
  padding-top: 12px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.model-badge-card {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  background: rgba(162, 105, 255, 0.08);
  border: 1px solid rgba(162, 105, 255, 0.2);
  border-radius: var(--radius-md);
  margin-bottom: 6px;
}

.sidebar-sangiang-avatar-wrap {
  position: relative;
  width: 36px;
  height: 36px;
  flex-shrink: 0;
}

.sidebar-sangiang-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  object-fit: cover;
  object-position: center 20%;
  border: 1.5px solid rgba(77, 163, 255, 0.65);
  box-shadow: 0 0 10px rgba(77, 163, 255, 0.35);
}

.status-pulse-dot {
  position: absolute;
  bottom: -1px;
  right: -1px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: #10b981;
  border: 2px solid var(--bg-sidebar);
  box-shadow: 0 0 8px #10b981;
  animation: pulse-ring 2s infinite ease-in-out;
}

@keyframes pulse-ring {
  0% { transform: scale(0.95); opacity: 0.8; }
  50% { transform: scale(1.15); opacity: 1; }
  100% { transform: scale(0.95); opacity: 0.8; }
}

.model-meta-name {
  font-weight: 600;
  font-size: 0.88rem;
  color: var(--text-primary);
}

.model-meta-tag {
  font-size: 0.72rem;
  color: var(--aurora-purple);
}

.sidebar-link-btn {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 9px 12px;
  border-radius: var(--radius-pill);
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.88rem;
  background: transparent;
  border: none;
  width: 100%;
  text-align: left;
  cursor: pointer;
  transition: all 0.18s ease;
}

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

/* --------------------------------------------------------------------------
   Main Chat Workspace
   -------------------------------------------------------------------------- */
.gemini-main {
  flex: 1;
  height: 100%;
  display: flex;
  flex-direction: column;
  background-color: var(--bg-app);
  position: relative;
  overflow: hidden;
}

/* Header */
.gemini-header {
  height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  border-bottom: 1px solid var(--border-subtle);
  background: rgba(19, 19, 20, 0.75);
  backdrop-filter: blur(16px);
  z-index: 50;
}

body.light-theme .gemini-header {
  background: rgba(255, 255, 255, 0.8);
}

.header-left, .header-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.app-brand-title {
  display: flex;
  align-items: center;
  gap: 10px;
}

.sparkle-avatar {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--sparkle-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  box-shadow: 0 0 16px rgba(77, 163, 255, 0.45);
  border: 1.5px solid rgba(77, 163, 255, 0.6);
  overflow: hidden;
  flex-shrink: 0;
}

.sangiang-avatar-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 20%;
  display: block;
}

.sparkle-icon {
  font-size: 1.1rem;
  line-height: 1;
  animation: rotate-sparkle 6s linear infinite;
}

@keyframes rotate-sparkle {
  0% { transform: rotate(0deg); }
  50% { transform: rotate(180deg) scale(1.08); }
  100% { transform: rotate(360deg); }
}

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

.brand-name {
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  background: var(--aurora-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.brand-version-badge {
  font-size: 0.72rem;
  padding: 2px 8px;
  border-radius: var(--radius-pill);
  background: rgba(162, 105, 255, 0.15);
  color: var(--aurora-purple);
  border: 1px solid rgba(162, 105, 255, 0.3);
  font-weight: 600;
}

.gemini-model-select {
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-pill);
  color: var(--text-primary);
  font-size: 0.84rem;
  font-weight: 500;
  padding: 6px 12px;
  outline: none;
  cursor: pointer;
  transition: all 0.2s ease;
}

.gemini-model-select:hover, .gemini-model-select:focus {
  border-color: var(--aurora-purple);
  box-shadow: 0 0 10px rgba(162, 105, 255, 0.25);
}

/* --------------------------------------------------------------------------
   Chat Viewport & Scroll Area
   -------------------------------------------------------------------------- */
.chat-viewport {
  flex: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  padding: 24px 20px 40px 20px;
  scroll-behavior: smooth;
}

.chat-viewport::-webkit-scrollbar {
  width: 6px;
}
.chat-viewport::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 4px;
}

/* --------------------------------------------------------------------------
   Hero Greeting (Empty Chat State)
   -------------------------------------------------------------------------- */
.hero-greeting {
  max-width: var(--max-content-width);
  margin: auto;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  padding: 40px 0 20px 0;
  animation: fadeIn 0.4s ease-out;
}

.hero-sparkle-glow {
  width: 68px;
  height: 68px;
  border-radius: 50%;
  background: var(--aurora-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  box-shadow: 0 0 32px rgba(77, 163, 255, 0.55);
  border: 2px solid rgba(77, 163, 255, 0.75);
  overflow: hidden;
}

.hero-sangiang-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 20%;
  display: block;
}

.hero-sparkle-symbol {
  color: #ffffff;
  font-size: 1.6rem;
  line-height: 1;
}

.hero-title {
  font-size: 3.2rem;
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: 12px;
}

.gemini-gradient-text {
  background: var(--aurora-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: 1.4rem;
  font-weight: 400;
  color: var(--text-muted);
  line-height: 1.4;
  margin-bottom: 40px;
}

/* Suggestion Grid */
.suggestion-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  width: 100%;
}

.suggestion-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 18px 20px;
  display: flex;
  gap: 14px;
  cursor: pointer;
  transition: all 0.22s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.suggestion-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--aurora-gradient);
  opacity: 0;
  transition: opacity 0.22s ease;
}

.suggestion-card:hover {
  background-color: var(--bg-surface-elevated);
  border-color: var(--border-medium);
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.25);
}

.suggestion-card:hover::before {
  opacity: 1;
}

.card-icon {
  font-size: 1.8rem;
  flex-shrink: 0;
}

.card-title {
  font-size: 0.98rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.card-desc {
  font-size: 0.84rem;
  color: var(--text-muted);
  line-height: 1.35;
}

/* --------------------------------------------------------------------------
   Messages Stream Container
   -------------------------------------------------------------------------- */
.messages-container {
  max-width: var(--max-content-width);
  margin: 0 auto;
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.message-row {
  display: flex;
  gap: 16px;
  width: 100%;
  animation: fadeIn 0.3s ease-out;
}

.message-row.user {
  justify-content: flex-end;
}

.message-row.assistant {
  justify-content: flex-start;
}

.message-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-weight: 600;
  font-size: 1rem;
}

.message-avatar.assistant-avatar {
  background: var(--sparkle-gradient);
  color: white;
  box-shadow: 0 0 14px rgba(77, 163, 255, 0.4);
  border: 1.5px solid rgba(77, 163, 255, 0.65);
  overflow: hidden;
}

.modal-sangiang-img {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  object-fit: cover;
  object-position: center 20%;
  border: 1.5px solid rgba(77, 163, 255, 0.65);
  box-shadow: 0 0 10px rgba(77, 163, 255, 0.35);
}

.message-avatar.user-avatar {
  background: var(--bg-surface-elevated);
  color: var(--text-secondary);
  border: 1px solid var(--border-subtle);
}

.message-bubble-wrapper {
  max-width: 85%;
  display: flex;
  flex-direction: column;
}

.message-row.user .message-bubble-wrapper {
  align-items: flex-end;
}

.message-bubble {
  border-radius: var(--radius-lg);
  padding: 14px 20px;
  font-size: 1rem;
  line-height: 1.6;
  position: relative;
}

.message-row.user .message-bubble {
  background-color: var(--user-bubble-bg);
  color: var(--user-bubble-text);
  border-bottom-right-radius: 4px;
}

.message-row.assistant .message-bubble {
  background: transparent;
  color: var(--text-primary);
  padding: 0;
}

/* Markdown Typography */
.message-bubble p {
  margin-bottom: 0.9em;
}

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

.message-bubble ul, .message-bubble ol {
  margin: 0.6em 0 0.9em 1.5em;
}

.message-bubble li {
  margin-bottom: 0.35em;
}

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

.message-bubble em {
  font-style: italic;
  font-family: var(--font-sangihe);
}

.message-bubble table {
  width: 100%;
  border-collapse: collapse;
  margin: 1em 0;
  font-size: 0.92rem;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.message-bubble th, .message-bubble td {
  padding: 10px 14px;
  border-bottom: 1px solid var(--border-subtle);
  text-align: left;
}

.message-bubble th {
  background: var(--bg-surface-elevated);
  font-weight: 600;
  color: var(--aurora-blue);
}

.message-bubble blockquote {
  border-left: 3px solid var(--aurora-purple);
  padding-left: 14px;
  color: var(--text-secondary);
  margin: 0.8em 0;
  font-style: italic;
}

.message-bubble pre {
  background: #18181b;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 14px;
  overflow-x: auto;
  margin: 0.8em 0;
  font-family: 'Noto Sans Mono', monospace;
  font-size: 0.88rem;
}

.message-bubble code {
  font-family: 'Noto Sans Mono', monospace;
  font-size: 0.9em;
  background: rgba(255, 255, 255, 0.08);
  padding: 2px 6px;
  border-radius: 4px;
}

.message-bubble pre code {
  background: transparent;
  padding: 0;
}

/* Streaming Blinking Cursor */
.streaming-cursor {
  display: inline-block;
  width: 8px;
  height: 18px;
  background: var(--aurora-purple);
  margin-left: 4px;
  vertical-align: middle;
  border-radius: 2px;
  animation: blink 0.8s infinite;
}

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

/* Assistant Message Action Toolbar */
.message-actions {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 10px;
  opacity: 0.85;
}

.action-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 6px;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all 0.18s ease;
}

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

.action-btn.copied {
  color: #10b981;
}

/* --------------------------------------------------------------------------
   Bottom Floating Prompt Bar
   -------------------------------------------------------------------------- */
.gemini-footer {
  width: 100%;
  padding: 0 20px 16px 20px;
  background: linear-gradient(180deg, rgba(19, 19, 20, 0) 0%, rgba(19, 19, 20, 0.95) 45%, var(--bg-app) 100%);
  z-index: 40;
}

body.light-theme .gemini-footer {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0) 0%, rgba(255, 255, 255, 0.95) 45%, var(--bg-app) 100%);
}

.prompt-box-outer {
  max-width: var(--max-content-width);
  margin: 0 auto;
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

/* Diacritic Dock Keyboard */
.diacritic-dock {
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-pill);
  padding: 6px 14px;
  display: flex;
  align-items: center;
  gap: 8px;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.25);
  animation: slideUp 0.2s ease-out;
}

.dock-label {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.dock-keys {
  display: flex;
  gap: 6px;
  flex: 1;
  overflow-x: auto;
}

.dock-key {
  min-width: 34px;
  height: 32px;
  background: var(--bg-prompt);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: var(--font-sangihe);
  font-size: 1.15rem;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all 0.15s ease;
}

.dock-key:hover {
  background: var(--aurora-purple);
  color: #ffffff;
  border-color: var(--aurora-purple);
  transform: translateY(-2px);
  box-shadow: 0 2px 8px rgba(162, 105, 255, 0.4);
}

.btn-dock-close {
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
}

.btn-dock-close:hover {
  color: var(--text-primary);
}

/* Floating Prompt Capsule Box */
.prompt-box {
  background: var(--bg-prompt);
  border: 1px solid var(--border-medium);
  border-radius: 26px;
  padding: 12px 16px 8px 18px;
  display: flex;
  flex-direction: column;
  transition: all 0.25s ease;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
}

.prompt-box:focus-within {
  border-color: var(--border-focus);
  background: var(--bg-prompt-focus);
  box-shadow: 0 0 0 2px rgba(162, 105, 255, 0.2), 0 8px 24px rgba(0, 0, 0, 0.35);
}

.prompt-textarea {
  width: 100%;
  background: transparent;
  border: none;
  outline: none;
  color: var(--text-primary);
  font-size: 1rem;
  line-height: 1.5;
  resize: none;
  max-height: 180px;
  min-height: 24px;
}

.prompt-textarea::placeholder {
  color: var(--text-muted);
}

.prompt-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 6px;
}

.btn-prompt-action {
  background: transparent;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-pill);
  padding: 4px 12px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--text-secondary);
  font-size: 0.82rem;
  cursor: pointer;
  transition: all 0.18s ease;
}

.btn-prompt-action:hover {
  background: var(--bg-sidebar-hover);
  border-color: var(--border-medium);
  color: var(--text-primary);
}

.action-glyph {
  font-family: var(--font-sangihe);
  font-size: 1rem;
  font-weight: 700;
  color: var(--aurora-purple);
}

.btn-send {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--aurora-gradient);
  border: none;
  color: white;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 2px 10px rgba(162, 105, 255, 0.4);
}

.btn-send:hover {
  transform: scale(1.08);
  box-shadow: 0 4px 14px rgba(162, 105, 255, 0.6);
}

.btn-send:active {
  transform: scale(0.95);
}

.btn-send:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.legal-disclaimer {
  text-align: center;
  font-size: 0.74rem;
  color: var(--text-muted);
  line-height: 1.4;
  padding: 4px 10px;
}

.legal-disclaimer strong {
  color: var(--text-secondary);
}

/* --------------------------------------------------------------------------
   Modal Backdrop & Dialog
   -------------------------------------------------------------------------- */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 20px;
  animation: fadeIn 0.2s ease-out;
}

.modal-card {
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-lg);
  max-width: 520px;
  width: 100%;
  padding: 24px;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5);
  animation: slideUp 0.25s ease-out;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.modal-title {
  font-size: 1.2rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 8px;
}

.modal-body {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.6;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.about-attribution-box {
  background: var(--bg-app);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  font-size: 0.85rem;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.about-attribution-box strong {
  color: var(--aurora-blue);
}

.modal-footer {
  margin-top: 20px;
  display: flex;
  justify-content: flex-end;
}

.btn-primary {
  background: var(--aurora-gradient);
  border: none;
  color: white;
  font-weight: 600;
  padding: 9px 20px;
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(162, 105, 255, 0.4);
}

/* --------------------------------------------------------------------------
   Animations
   -------------------------------------------------------------------------- */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

/* --------------------------------------------------------------------------
   Responsive Media Queries
   -------------------------------------------------------------------------- */
@media (max-width: 768px) {
  .gemini-sidebar,
  .gemini-sidebar.collapsed {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: min(82vw, 290px);
    padding: 16px 12px;
    z-index: 200;
    box-shadow: 4px 0 24px rgba(0, 0, 0, 0.6);
    transform: translateX(-100%);
    visibility: hidden;
    pointer-events: none;
  }

  .gemini-sidebar.mobile-open {
    transform: translateX(0);
    visibility: visible;
    pointer-events: auto;
    border-right: 1px solid var(--border-subtle);
  }

  .sidebar-backdrop {
    display: block;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.55);
    backdrop-filter: blur(2px);
    z-index: 150;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.25s ease, visibility 0.25s ease;
  }

  .sidebar-backdrop.active {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
  }

  .gemini-header {
    height: 56px;
    padding: 0 14px;
  }

  .chat-viewport {
    padding: 16px 14px 24px 14px;
  }

  .hero-greeting {
    padding: 16px 0 12px 0;
  }

  .hero-sparkle-glow {
    width: 52px;
    height: 52px;
    margin-bottom: 14px;
  }

  .suggestion-grid {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .suggestion-card {
    padding: 13px 15px;
    gap: 12px;
  }

  .card-icon {
    font-size: 1.45rem;
  }

  .card-title {
    font-size: 0.92rem;
  }

  .card-desc {
    font-size: 0.8rem;
  }

  .hero-title {
    font-size: 1.75rem;
    margin-bottom: 8px;
  }

  .hero-subtitle {
    font-size: 1rem;
    margin-bottom: 20px;
  }

  .message-bubble-wrapper {
    max-width: 90%;
  }

  .gemini-footer {
    padding: 0 12px 10px 12px;
  }

  .legal-disclaimer {
    font-size: 0.68rem;
    padding: 2px 6px;
  }
}