:root {
  --bg-color: #000000;
  --bg-secondary: rgba(255, 255, 255, 0.05);
  --bg-tertiary: rgba(255, 255, 255, 0.08);
  --border-color: rgba(255, 255, 255, 0.1);
  --border-hover: rgba(255, 255, 255, 0.2);
  
  --text-primary: #ffffff;
  --text-secondary: #9ca3af;
  --text-tertiary: rgba(255, 255, 255, 0.4);
  
  --accent-color: #eab308;
  --mood-color: #eab308; /* Dynamically set by JS */
  
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-serif: 'Playfair Display', 'Cormorant Garamond', serif;
  --font-mono: 'JetBrains Mono', "SFMono-Regular", Consolas, "Liberation Mono", Menlo, Courier, monospace;

  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s ease;
}

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

body {
  font-family: var(--font-sans);
  background-color: var(--bg-color);
  background-image: radial-gradient(circle at 50% 50%, rgba(234, 179, 8, 0.1), transparent 60%);
  background-attachment: fixed;
  color: var(--text-primary);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow: hidden; /* Prevent body scroll, layout handles it */
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--border-hover);
}

/* Layout */
.dashboard {
  display: flex;
  height: 100vh;
  width: 100vw;
}

/* Sidebar */
.sidebar {
  width: 260px;
  background-color: var(--bg-color);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-normal);
  z-index: 50;
}

.sidebar-inner {
  display: flex;
  flex-direction: column;
  height: 100%;
  padding: 20px 16px;
}

.sidebar-header {
  margin-bottom: 32px;
  padding: 0 8px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 600;
  font-size: 16px;
  letter-spacing: -0.02em;
}

.logo i {
  width: 18px;
  height: 18px;
  color: var(--accent-color);
}

.sidebar-nav {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 12px;
  border-radius: 6px;
  background: transparent;
  color: var(--text-secondary);
  border: none;
  cursor: pointer;
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 500;
  transition: all var(--transition-fast);
  text-align: left;
  width: 100%;
}

.nav-item i {
  width: 16px;
  height: 16px;
}

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

.nav-item.active {
  background: var(--border-color);
  color: var(--text-primary);
}

.separator {
  height: 1px;
  background-color: var(--border-color);
  margin: 16px 8px;
}

.sidebar-footer {
  margin-top: auto;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.streak-badge {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 12px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: 6px;
  margin-bottom: 8px;
}

.streak-badge i {
  width: 16px;
  height: 16px;
  color: #f59e0b; /* keep a subtle orange for fire/streak */
}

/* Main Panel */
.main-panel {
  flex: 1;
  display: flex;
  flex-direction: column;
  position: relative;
  background-color: var(--bg-color);
}

/* Topbar */
.topbar {
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  border-bottom: 1px solid var(--border-color);
  background: rgba(0, 0, 0, 0.3);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 10;
}

.topbar-left {
  display: flex;
  align-items: center;
  gap: 16px;
}

.mobile-menu-btn {
  display: none;
  background: transparent;
  border: none;
  color: var(--text-primary);
  cursor: pointer;
  padding: 4px;
}

.status-indicator {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-secondary);
}

.status-indicator .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: #10b981;
  box-shadow: 0 0 10px rgba(16, 185, 129, 0.4);
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 24px;
}

.mood-selector {
  display: flex;
  background: var(--bg-secondary);
  border-radius: 6px;
  padding: 2px;
  border: 1px solid var(--border-color);
}

.mood-btn {
  background: transparent;
  border: none;
  border-radius: 4px;
  padding: 4px 8px;
  cursor: pointer;
  font-size: 14px;
  transition: background var(--transition-fast);
  opacity: 0.5;
  filter: grayscale(100%);
}

.mood-btn:hover {
  background: var(--border-color);
}

.mood-btn.active {
  background: var(--border-color);
  opacity: 1;
  filter: none;
}

.stats-group {
  display: flex;
  align-items: center;
  gap: 16px;
}

.stat-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text-secondary);
}

.stat-item i {
  width: 14px;
  height: 14px;
  color: var(--text-tertiary);
}

.rizz-stat {
  color: var(--accent-color);
  font-family: var(--font-serif);
  font-size: 16px;
  font-weight: 600;
}
.rizz-stat i {
  color: #facc15;
}

/* Chat Viewport */
.chat-viewport {
  flex: 1;
  overflow: hidden;
  position: relative;
}

.chat-scroll {
  height: 100%;
  overflow-y: auto;
  padding: 24px 24px;
  scroll-behavior: smooth;
  display: flex;
  flex-direction: column;
}

.chat-log {
  width: 100%;
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 32px;
  padding-bottom: 24px;
}

/* Welcome Hero */
.welcome-hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  margin: 64px auto;
  max-width: 600px;
}

.hero-badge {
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  margin-bottom: 24px;
  color: var(--text-secondary);
}

.badge-version {
  color: var(--text-primary);
  margin-left: 4px;
}

.hero-title {
  font-family: var(--font-serif);
  font-size: 40px;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
  line-height: 1.1;
  color: var(--text-primary);
}

.hero-desc {
  font-size: 16px;
  color: var(--text-secondary);
  margin-bottom: 32px;
}

.hero-mood-display {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  margin-bottom: 40px;
}

.hero-mood-label {
  color: var(--text-tertiary);
}

.hero-mood-value {
  color: var(--text-primary);
  font-weight: 500;
}

.hero-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
}

.chip-3d {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 9999px;
  padding: 10px 20px;
  color: var(--text-secondary);
  font-size: 13px;
  font-family: var(--font-sans);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: all var(--transition-fast);
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.chip-3d i {
  width: 14px;
  height: 14px;
  color: var(--text-primary);
}

.chip-3d:hover {
  background: var(--bg-tertiary);
  border-color: var(--accent-color);
  color: var(--text-primary);
  box-shadow: 0 0 16px rgba(234, 179, 8, 0.2);
}

/* Chat Messages */
.message {
  display: flex;
  flex-direction: column;
  max-width: 100%;
  animation: fadeIn 0.3s ease forwards;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.user-msg {
  align-items: flex-end;
}

.msg-text {
  background: var(--text-primary);
  color: var(--bg-color);
  padding: 12px 16px;
  border-radius: 8px;
  font-size: 15px;
  line-height: 1.5;
  max-width: 85%;
  word-wrap: break-word;
  white-space: pre-wrap;
}

.msg-timestamp {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-tertiary);
  margin-top: 6px;
}

.bot-responses {
  align-items: flex-start;
  max-width: 100%;
}

.option-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 16px;
  margin-bottom: 12px;
  width: 100%;
  max-width: 90%;
  position: relative;
  transition: border-color var(--transition-fast);
}

.option-card:hover {
  border-color: var(--border-hover);
}

.option-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.option-text {
  font-size: 15px;
  color: var(--text-primary);
  line-height: 1.6;
  white-space: pre-wrap;
  margin-bottom: 16px;
}

/* Copy Button */
.copy-btn {
  position: absolute;
  top: 12px;
  right: 12px;
  background: transparent;
  border: 1px solid transparent;
  color: var(--text-tertiary);
  font-size: 11px;
  font-family: var(--font-mono);
  padding: 4px 8px;
  border-radius: 4px;
  cursor: pointer;
  transition: all var(--transition-fast);
  opacity: 0;
}

.option-card:hover .copy-btn {
  opacity: 1;
  border-color: var(--border-color);
  background: var(--bg-color);
}

.copy-btn:hover {
  color: var(--text-primary);
  border-color: var(--border-hover);
}

.copy-btn.copied {
  color: #10b981;
  border-color: #10b981;
  opacity: 1;
}

/* Card Rating */
.card-rating {
  display: flex;
  gap: 8px;
}

.rate-btn {
  background: var(--bg-color);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  padding: 4px 8px;
  font-size: 12px;
  cursor: pointer;
  transition: all var(--transition-fast);
  filter: grayscale(100%);
  opacity: 0.6;
}

.rate-btn:hover {
  opacity: 1;
  filter: grayscale(0%);
  border-color: var(--border-hover);
}

.rate-btn.rated {
  opacity: 1;
  filter: grayscale(0%);
  border-color: var(--text-primary);
  background: var(--border-color);
}

/* Error Message */
.bot-error {
  align-items: center;
  color: #ef4444;
  font-size: 14px;
  padding: 12px;
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.2);
  border-radius: 6px;
}

.retry-btn {
  margin-left: 12px;
  background: transparent;
  border: 1px solid #ef4444;
  color: #ef4444;
  border-radius: 4px;
  padding: 2px 8px;
  font-size: 12px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.retry-btn svg { width: 12px; height: 12px; }

/* Typing Indicator */
.typing-indicator {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 16px;
}

.typing-content {
  display: flex;
  gap: 4px;
}

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

.typing-dot:nth-child(1) { animation-delay: -0.32s; }
.typing-dot:nth-child(2) { animation-delay: -0.16s; }

@keyframes bounce {
  0%, 80%, 100% { transform: scale(0); opacity: 0.5; }
  40% { transform: scale(1); opacity: 1; }
}

.typing-label {
  font-size: 13px;
  color: var(--text-tertiary);
}

/* Input Dock */
.input-dock {
  padding: 0 24px 24px 24px;
  background: linear-gradient(to top, var(--bg-color) 80%, transparent);
  position: relative;
  z-index: 10;
}

.input-wrapper {
  max-width: 800px;
  margin: 0 auto;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  display: flex;
  align-items: stretch;
  padding: 8px 12px;
  gap: 8px;
  position: relative;
  transition: all var(--transition-fast);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.input-wrapper:focus-within {
  border-color: var(--accent-color);
  box-shadow: 0 0 0 1px var(--accent-color), 0 0 16px rgba(234, 179, 8, 0.15);
}

.input-mood-indicator {
  font-size: 20px;
  padding: 8px;
  user-select: none;
  display: flex;
  align-items: flex-end;
  padding-bottom: 10px;
}

#scenario-input {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 15px;
  resize: none;
  padding: 10px 0;
  line-height: 1.5;
  outline: none;
  min-height: 44px;
  max-height: 200px;
}

#scenario-input::placeholder {
  color: var(--text-tertiary);
}

.send-btn {
  background: var(--accent-color);
  color: #000;
  border: none;
  border-radius: 50%;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  align-self: flex-end;
  margin-bottom: 4px;
  transition: all var(--transition-fast);
  box-shadow: 0 0 12px rgba(234, 179, 8, 0.3);
}

.send-btn i {
  width: 18px;
  height: 18px;
}

.send-btn:disabled {
  background: var(--bg-secondary);
  color: var(--text-tertiary);
  border: 1px solid var(--border-color);
  cursor: not-allowed;
}

.send-btn:not(:disabled):hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

.input-meta {
  max-width: 800px;
  margin: 8px auto 0;
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: var(--text-tertiary);
  font-family: var(--font-sans);
}

.char-warning { color: #f59e0b; }
.char-danger { color: #ef4444; }

/* Modals */
.modal-overlay {
  position: fixed;
  top: 0; left: 0; width: 100vw; height: 100vh;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  opacity: 1;
  visibility: visible;
  transition: all var(--transition-normal);
}

.modal-overlay.hidden {
  opacity: 0;
  visibility: hidden;
}

.modal {
  background: var(--bg-color);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  width: 90%;
  max-width: 480px;
  padding: 24px;
  transform: scale(1);
  transition: transform var(--transition-normal);
}

.modal-overlay.hidden .modal {
  transform: scale(0.95);
}

.modal-sm {
  max-width: 400px;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
}

.modal-header h2 {
  font-size: 18px;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.modal-close {
  background: transparent;
  border: none;
  color: var(--text-tertiary);
  cursor: pointer;
  padding: 4px;
  border-radius: 4px;
}

.modal-close:hover {
  background: var(--bg-secondary);
  color: var(--text-primary);
}

.modal-close i {
  width: 20px;
  height: 20px;
}

.modal-body {
  font-size: 14px;
  color: var(--text-primary);
}

.text-muted {
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: 24px;
}

/* About Grid */
.specs-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.spec-item {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  padding: 16px;
  border-radius: 6px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.spec-val {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 4px;
}

.spec-lbl {
  font-size: 12px;
  color: var(--text-tertiary);
}

/* Modal Actions */
.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  margin-top: 32px;
}

.btn {
  padding: 8px 16px;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  font-family: var(--font-sans);
  border: none;
}

.btn-secondary {
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-primary);
}

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

.btn-danger {
  background: #ef4444;
  color: #fff;
}

.btn-danger:hover {
  background: #dc2626;
}

/* Vibes Grid */
.vibes-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.vibe-card {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 16px;
  cursor: pointer;
  text-align: left;
  transition: all var(--transition-fast);
}

.vibe-card:hover {
  border-color: var(--border-hover);
}

.vibe-card.active {
  border-color: var(--text-primary);
  background: var(--bg-tertiary);
}

.vibe-emoji {
  font-size: 24px;
}

.vibe-info {
  display: flex;
  flex-direction: column;
}

.vibe-name {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
}

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

/* History Panel */
.history-panel {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: 380px;
  max-width: 100vw;
  background: var(--bg-color);
  border-left: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  transform: translateX(0);
  transition: transform var(--transition-normal);
  z-index: 40;
}

.history-panel.hidden {
  transform: translateX(100%);
}

.history-header {
  padding: 24px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.history-header h2 {
  font-size: 16px;
  font-weight: 500;
}

.history-list {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.history-empty {
  text-align: center;
  padding: 40px 20px;
  color: var(--text-secondary);
  font-size: 14px;
}

.history-item {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 16px;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}

.history-item:hover {
  border-color: var(--border-hover);
}

.history-item-header {
  display: flex;
  gap: 12px;
}

.history-item-mood {
  font-size: 16px;
}

.history-item-info {
  display: flex;
  flex-direction: column;
}

.history-item-title {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: 4px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.history-item-meta {
  font-size: 12px;
  font-family: var(--font-mono);
  color: var(--text-tertiary);
}

.history-item-delete {
  background: transparent;
  border: none;
  color: var(--text-tertiary);
  cursor: pointer;
  padding: 4px;
  border-radius: 4px;
}

.history-item-delete:hover {
  background: rgba(239, 68, 68, 0.1);
  color: #ef4444;
}

/* Toast */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  z-index: 200;
  pointer-events: none;
}

.toast {
  background: var(--bg-tertiary);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  padding: 12px 16px;
  border-radius: 6px;
  font-size: 14px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
  transform: translateY(20px);
  opacity: 0;
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  gap: 8px;
}

.toast-show {
  transform: translateY(0);
  opacity: 1;
}

.toast-hide {
  transform: translateY(-10px);
  opacity: 0;
}

.toast-success { border-left: 3px solid #10b981; }
.toast-error { border-left: 3px solid #ef4444; }
.toast-info { border-left: 3px solid #3b82f6; }

/* Responsive */
@media (max-width: 768px) {
  .sidebar {
    position: fixed;
    height: 100vh;
    left: 0;
    top: 0;
    transform: translateX(-100%);
  }
  
  .sidebar.open {
    transform: translateX(0);
  }
  
  .sidebar-overlay {
    position: fixed;
    top: 0; left: 0; width: 100vw; height: 100vh;
    background: rgba(0,0,0,0.5);
    z-index: 40;
  }
  
  .sidebar-overlay.hidden {
    display: none;
  }
  
  .mobile-menu-btn {
    display: block;
  }
  
  .stats-group {
    display: none;
  }
  
  #streak-badge-mini {
    display: flex !important;
    align-items: center;
    gap: 4px;
    font-size: 13px;
    color: #f59e0b;
    font-weight: 500;
  }
  
  .chat-scroll {
    padding: 16px;
  }
  
  .input-dock {
    padding: 0 16px 16px 16px;
  }
  
  .history-panel {
    width: 100%;
  }
}