/**
 * SimplitPOS AI - Unified Theme System
 * All colors use CSS variables for consistent light/dark mode support
 */

/* =====================================================
   CSS CUSTOM PROPERTIES - Single Source of Truth
   ===================================================== */

:root {
  /* === LIGHT THEME (Default) === */

  /* Backgrounds */
  --color-bg-primary: #f5f3f0;
  --color-bg-secondary: #faf9f7;
  --color-bg-tertiary: #ffffff;
  --color-bg-elevated: #ffffff;
  --color-bg-input: #faf9f7;
  --color-bg-chat: linear-gradient(180deg, #f5f3f0 0%, #faf9f7 100%);

  /* Surfaces (cards, modals, panels) */
  --color-surface: #ffffff;
  --color-surface-hover: #f5f3f0;
  --color-surface-active: #ebe9e6;

  /* Text */
  --color-text-primary: #1f2937;
  --color-text-secondary: #4b5563;
  --color-text-muted: #9ca3af;
  --color-text-inverse: #ffffff;

  /* Borders */
  --color-border: #e5e7eb;
  --color-border-light: #f3f4f6;
  --color-border-accent: #fed7aa;

  /* Brand / Accent - Orange */
  --color-accent: #FF8602;
  --color-accent-hover: #e67702;
  --color-accent-light: #fff7ed;
  --color-accent-bg: #ffedd5;
  --color-accent-text: #92400e;

  /* Bot Messages - Light cards in light mode */
  --color-bot-bg: #ffffff;
  --color-bot-text: #1f2937;
  --color-bot-border: #e2e8f0;
  --color-bot-muted: #64748b;
  --color-bot-accent: #fb923c;

  /* User Messages */
  --color-user-bg: #FF8602;
  --color-user-text: #ffffff;

  /* Sidebar */
  --color-sidebar-bg: #ffffff;
  --color-sidebar-text: #1f2937;
  --color-sidebar-muted: #6b7280;
  --color-sidebar-hover: #f3f4f6;
  --color-sidebar-active: #e5e7eb;
  --color-sidebar-border: #cbd5e1;

  /* Header */
  --color-header-bg: #faf9f7;
  --color-header-text: #1f2937;
  --color-header-border: transparent;

  /* Modals */
  --color-modal-bg: #ffffff;
  --color-modal-text: #1f2937;
  --color-modal-overlay: rgba(0, 0, 0, 0.5);

  /* Status Colors */
  --color-success: #10b981;
  --color-warning: #f59e0b;
  --color-error: #ef4444;
  --color-info: #3b82f6;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
  --shadow-accent: 0 4px 14px rgba(255, 134, 2, 0.25);

  /* Scrollbar */
  --color-scrollbar-track: #ffffff;
  --color-scrollbar-thumb: var(--color-accent);
  --color-scrollbar-thumb-hover: var(--color-accent-hover);

  /* KPI Cards */
  --color-kpi-bg: #ffffff;
  --color-kpi-border: #fed7aa;
  --color-kpi-text: #1f2937;

  /* Quick Buttons */
  --color-quick-btn-bg: #faf9f7;
  --color-quick-btn-border: #fcd5a5;
  --color-quick-btn-text: #92400e;

  /* Charts */
  --color-chart-bg: #f5f3f0;

  /* Day Separator */
  --color-separator-bg: #e5e7eb;
  --color-separator-text: #6b7280;
}

/* === DARK THEME === */
[data-theme="dark"] {
  /* Backgrounds */
  --color-bg-primary: #0f172a;
  --color-bg-secondary: #1e293b;
  --color-bg-tertiary: #334155;
  --color-bg-elevated: #1e293b;
  --color-bg-input: #1e293b;
  --color-bg-chat: linear-gradient(180deg, #0f172a 0%, #1e293b 100%);

  /* Surfaces */
  --color-surface: #1e293b;
  --color-surface-hover: #334155;
  --color-surface-active: #475569;

  /* Text */
  --color-text-primary: #f1f5f9;
  --color-text-secondary: #cbd5e1;
  --color-text-muted: #94a3b8;
  --color-text-inverse: #0f172a;

  /* Borders */
  --color-border: #334155;
  --color-border-light: #475569;
  --color-border-accent: #475569;

  /* Brand / Accent */
  --color-accent: #f97316;
  --color-accent-hover: #ea580c;
  --color-accent-light: rgba(249, 115, 22, 0.15);
  --color-accent-bg: rgba(249, 115, 22, 0.2);
  --color-accent-text: #fdba74;

  /* Bot Messages - Lighter cards in dark mode for contrast */
  --color-bot-bg: #334155;
  --color-bot-text: #e2e8f0;
  --color-bot-border: #475569;
  --color-bot-muted: #94a3b8;
  --color-bot-accent: #fb923c;

  /* User Messages */
  --color-user-bg: #ea580c;
  --color-user-text: #ffffff;

  /* Sidebar */
  --color-sidebar-bg: #1e293b;
  --color-sidebar-text: #f1f5f9;
  --color-sidebar-muted: #94a3b8;
  --color-sidebar-hover: #334155;
  --color-sidebar-active: #475569;
  --color-sidebar-border: #475569;

  /* Header */
  --color-header-bg: #1e293b;
  --color-header-text: #f1f5f9;
  --color-header-border: #334155;

  /* Modals */
  --color-modal-bg: #1e293b;
  --color-modal-text: #f1f5f9;
  --color-modal-overlay: rgba(0, 0, 0, 0.7);

  /* Status Colors - Higher brightness for dark mode */
  --color-success: #34d399;
  --color-warning: #fbbf24;
  --color-error: #f87171;
  --color-info: #60a5fa;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.5);
  --shadow-accent: 0 4px 14px rgba(249, 115, 22, 0.3);

  /* Scrollbar */
  --color-scrollbar-track: #0f172a;
  --color-scrollbar-thumb: var(--color-accent);
  --color-scrollbar-thumb-hover: var(--color-accent-hover);

  /* KPI Cards */
  --color-kpi-bg: #1e293b;
  --color-kpi-border: #475569;
  --color-kpi-text: #f1f5f9;

  /* Quick Buttons */
  --color-quick-btn-bg: #1e293b;
  --color-quick-btn-border: #475569;
  --color-quick-btn-text: #fdba74;

  /* Charts */
  --color-chart-bg: #1e293b;

  /* Day Separator */
  --color-separator-bg: #334155;
  --color-separator-text: #94a3b8;
}

/* =====================================================
   BASE STYLES
   ===================================================== */

* {
  font-family: 'Poppins', sans-serif;
}

body {
  background: var(--color-bg-primary);
  color: var(--color-text-primary);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  width: 100%;
  max-width: 100vw;
  transition: background-color 0.3s ease, color 0.3s ease;
}

/* =====================================================
   LAYOUT COMPONENTS
   ===================================================== */

/* Header */
header {
  background: var(--color-header-bg) !important;
  border-color: var(--color-header-border) !important;
  color: var(--color-header-text);
  transition: background-color 0.3s ease, border-color 0.3s ease;
}

.header-line {
  height: 3px;
  background: linear-gradient(90deg, var(--color-accent), #FFa940);
}

/* Sidebar */
#sidebar {
  background: var(--color-sidebar-bg) !important;
  color: var(--color-sidebar-text);
  border-color: var(--color-sidebar-border) !important;
  transition: transform 0.3s ease, width 0.3s ease, background-color 0.3s ease, border-color 0.3s ease;
  /* Eliminado position: relative global para no romper mobile fixed */
  width: 17rem;
  /* Ancho por defecto en móvil */
}

/* En Desktop: Sidebar colapsable y relativo */
@media (min-width: 640px) {
  #sidebar {
    position: relative !important;
    overflow: visible !important;
  }

  /* Sidebar States */
  .sidebar-expanded {
    width: 17rem;
  }

  .sidebar-collapsed {
    width: 0 !important;
    border-right: none !important;
    padding: 0 !important;
  }

  /* Hide content when collapsed */
  .sidebar-collapsed>div:not(#sidebarToggle) {
    display: none !important;
    opacity: 0;
  }

  /* Rotate toggle icon */
  .sidebar-collapsed #collapseIcon {
    transform: rotate(180deg);
  }

  /* Botón flotante siempre visible */
  #sidebarToggle {
    cursor: pointer;
  }

  /* Ajustes cuando está colapsado */
  .sidebar-collapsed #sidebarToggle {
    left: 0;
  }
}

/* En Mobile: Ignorar colapsado, usar width fijo y posición fixed */
@media (max-width: 639.98px) {
  #sidebar {
    position: fixed !important;
    top: 0;
    bottom: 0;
    left: 0;
    z-index: 50;
    width: 17rem !important;
    /* Siempre ancho completo cuando está abierto */
  }

  /* El botón toggle ya tiene clase 'hidden sm:flex' en HTML, así que no se ve */
}

#sidebar .text-gray-500,
#sidebar .text-gray-400 {
  color: var(--color-sidebar-muted) !important;
}

.chat-item {
  transition: background-color 0.15s ease;
}

.chat-item:hover {
  background: var(--color-sidebar-hover) !important;
}

.chat-item.active,
.chat-item[class*="bg-gray-700"] {
  background: var(--color-sidebar-active) !important;
}

.chat-item .text-gray-200 {
  color: var(--color-sidebar-text) !important;
}

.chat-item .text-gray-500 {
  color: var(--color-sidebar-muted) !important;
}

/* Chat Container */
#chatContainer {
  background: var(--color-bg-chat) !important;
  transition: background 0.3s ease;
}

/* Main Content */
main {
  color: var(--color-text-primary);
}

/* =====================================================
   BUTTONS
   ===================================================== */

.btn-primary {
  background: var(--color-accent);
  color: var(--color-text-inverse);
  font-weight: 600;
  transition: all 0.2s ease;
}

.btn-primary:hover {
  background: var(--color-accent-hover);
  box-shadow: var(--shadow-accent);
}

.btn-primary:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.btn-secondary {
  background: var(--color-surface);
  border: 2px solid var(--color-accent);
  color: var(--color-accent);
  font-weight: 500;
  transition: all 0.2s ease;
}

.btn-secondary:hover {
  background: var(--color-accent-light);
}

.quick-btn {
  background: var(--color-quick-btn-bg);
  border: 2px solid var(--color-quick-btn-border);
  color: var(--color-quick-btn-text);
  transition: all 0.15s ease;
}

.quick-btn:hover {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-text-inverse);
}

/* Theme Toggle */
#themeToggle {
  color: var(--color-text-secondary);
  transition: all 0.2s ease;
}

#themeToggle:hover {
  background: var(--color-surface-hover);
  color: var(--color-accent);
}

/* =====================================================
   INPUTS
   ===================================================== */

.input-light {
  background: var(--color-bg-input);
  border: 2px solid var(--color-border);
  color: var(--color-text-primary);
  transition: all 0.2s ease;
}

.input-light:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(255, 134, 2, 0.2);
  background: var(--color-surface);
  outline: none;
}

.input-light::placeholder {
  color: var(--color-text-muted);
}

/* Input Area Container */
.input-area-container {
  background: var(--color-surface) !important;
  border-color: var(--color-border) !important;
}

#questionInput {
  line-height: 1.5;
  background: transparent;
  color: var(--color-text-primary);
}

#questionInput::placeholder {
  color: var(--color-text-muted);
}

/* Voice controls */
#voiceControls button {
  color: var(--color-text-muted);
  transition: all 0.2s ease;
}

#voiceControls button:hover {
  color: var(--color-accent);
  background: var(--color-accent-light);
}

/* =====================================================
   CARDS
   ===================================================== */

.card {
  background: var(--color-surface);
  border: 2px solid var(--color-accent);
  box-shadow: var(--shadow-sm);
  transition: all 0.15s ease;
}

.card:hover {
  box-shadow: var(--shadow-accent);
}

/* KPI Cards */
.kpi-card {
  background: var(--color-kpi-bg);
  border: 2px solid var(--color-kpi-border);
  border-left: 5px solid var(--color-accent);
  color: var(--color-kpi-text);
}

.kpi-card.success {
  border-left-color: var(--color-success);
}

.kpi-card.warning {
  border-left-color: var(--color-warning);
}

.kpi-card.info {
  border-left-color: var(--color-accent);
}

/* Mini KPI Cards */
.kpi-card-mini {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-left: 3px solid var(--color-accent);
  border-radius: 8px;
  padding: 8px 12px;
  transition: all 0.15s ease;
}

.kpi-card-mini:hover {
  box-shadow: var(--shadow-md);
}

.kpi-card-mini .text-gray-500 {
  color: var(--color-text-muted) !important;
}

.kpi-card-mini .text-orange-600 {
  color: var(--color-accent) !important;
}

/* =====================================================
   CHAT MESSAGES
   ===================================================== */

/* User Message */
.user-message {
  background: var(--color-user-bg);
  color: var(--color-user-text);
}

/* Bot Message Card */
.bot-message-card {
  background: var(--color-bot-bg) !important;
  border-color: var(--color-bot-border) !important;
  color: var(--color-bot-text) !important;
}

.bot-message-card .text-gray-200 {
  color: var(--color-bot-text) !important;
}

.bot-message-card .text-gray-400 {
  color: var(--color-bot-muted) !important;
}

.bot-message-card .text-orange-400,
.bot-message-card .text-orange-600 {
  color: var(--color-bot-accent) !important;
}

.bot-message-card .border-gray-600,
.bot-message-card .border-gray-700 {
  border-color: var(--color-bot-border) !important;
}

/* Chart containers inside bot messages */
.bot-message-card .bg-gray-900 {
  background: rgba(0, 0, 0, 0.3) !important;
  border-radius: 12px;
}

/* Loading Message */
.loading-message {
  background: var(--color-surface);
  border-color: var(--color-border-accent);
}

/* Error Message */
.error-message {
  background: rgba(239, 68, 68, 0.1);
  border-color: rgba(239, 68, 68, 0.3);
  color: var(--color-error);
}

/* Day Separator */
.day-separator {
  background: var(--color-separator-bg);
  color: var(--color-separator-text);
}

/* Timestamp */
.message-timestamp {
  color: var(--color-text-muted);
}

/* =====================================================
   MODALS
   ===================================================== */

.modal-backdrop {
  backdrop-filter: blur(4px);
  background: var(--color-modal-overlay);
}

.modal-content {
  background: var(--color-modal-bg);
  color: var(--color-modal-text);
  border-radius: 16px;
  box-shadow: var(--shadow-lg);
  transition: background-color 0.3s ease, color 0.3s ease;
}

.modal-content .text-gray-800,
.modal-content .text-gray-700 {
  color: var(--color-text-primary) !important;
}

.modal-content .text-gray-500,
.modal-content .text-gray-400 {
  color: var(--color-text-muted) !important;
}

.modal-content .bg-gray-50,
.modal-content .bg-gray-100 {
  background: var(--color-surface-hover) !important;
}

/* Favorite Modal */
#favoriteModal .modal-content {
  background: var(--color-modal-bg);
}

#favoriteModal .text-gray-800 {
  color: var(--color-text-primary) !important;
}

#favoriteModal .bg-gray-50 {
  background: var(--color-surface-hover) !important;
}

#favoriteModal .text-gray-700 {
  color: var(--color-text-secondary) !important;
}

/* =====================================================
   TABLES
   ===================================================== */

.table-light thead {
  background: var(--color-accent);
  color: var(--color-text-inverse);
}

.table-light tbody tr {
  border-bottom: 1px solid var(--color-border);
  transition: background 0.15s ease;
  background: var(--color-surface);
}

.table-light tbody tr:hover {
  background: var(--color-surface-hover);
}

/* Tables inside bot messages keep dark style */
.bot-message-card table thead {
  background: var(--color-accent) !important;
}

.bot-message-card table tbody tr {
  background: transparent !important;
  border-color: var(--color-bot-border) !important;
}

.bot-message-card table tbody tr:hover {
  background: rgba(255, 255, 255, 0.05) !important;
}

.bot-message-card .text-gray-300 {
  color: var(--color-bot-text) !important;
}

/* =====================================================
   CHARTS
   ===================================================== */

.chart-container {
  position: relative;
  height: 300px;
  background: var(--color-chart-bg);
  border-radius: 8px;
}

.chart-scroll-container {
  overflow-x: auto;
  overflow-y: hidden;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: var(--color-accent) var(--color-scrollbar-track);
  position: relative;
  width: 100%;
}

.chart-scroll-container canvas {
  display: block;
}

.chart-scroll-container::-webkit-scrollbar {
  height: 6px;
}

.chart-scroll-container::-webkit-scrollbar-track {
  background: var(--color-scrollbar-track);
  border-radius: 3px;
}

.chart-scroll-container::-webkit-scrollbar-thumb {
  background: var(--color-accent);
  border-radius: 3px;
}

.chart-scroll-container::-webkit-scrollbar-thumb:hover {
  background: var(--color-accent-hover);
}

/* Scroll indicator */
.scroll-hint {
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255, 134, 2, 0.9);
  color: white;
  padding: 4px 8px;
  border-radius: 4px;
  font-size: 10px;
  pointer-events: none;
  animation: pulse-hint 2s ease-in-out infinite;
  z-index: 10;
}

.scroll-indicator {
  animation: fade-pulse 2s ease-in-out infinite;
  color: var(--color-text-muted);
}

/* =====================================================
   SCROLLBAR
   ===================================================== */

::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--color-scrollbar-track);
}

::-webkit-scrollbar-thumb {
  background: var(--color-scrollbar-thumb);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-scrollbar-thumb-hover);
}

/* Chat Container Scrollbar override to ensure visibility */
#chatContainer::-webkit-scrollbar {
  width: 10px;
}

#chatContainer::-webkit-scrollbar-track {
  background: var(--color-scrollbar-track);
}

#chatContainer::-webkit-scrollbar-thumb {
  background: var(--color-accent) !important;
  border-radius: 6px;
  border: 2px solid var(--color-scrollbar-track);
  /* Padding visual */
}

#chatContainer::-webkit-scrollbar-thumb:hover {
  background: var(--color-accent-hover) !important;
}

/* Sidebar scrollbar */
#sidebar::-webkit-scrollbar {
  width: 6px;
}

#sidebar::-webkit-scrollbar-track {
  background: var(--color-sidebar-bg);
}

#sidebar::-webkit-scrollbar-thumb {
  background: var(--color-sidebar-hover);
  border-radius: 3px;
}

/* =====================================================
   LOADING ANIMATION
   ===================================================== */

.loading-dots {
  display: flex;
  gap: 6px;
  align-items: center;
  justify-content: center;
}

.loading-dots span {
  width: 8px;
  height: 8px;
  background: var(--color-accent);
  border-radius: 50%;
  animation: bounce 1.4s ease-in-out infinite;
}

.loading-dots span:nth-child(2) {
  animation-delay: 0.2s;
}

.loading-dots span:nth-child(3) {
  animation-delay: 0.4s;
}

@keyframes bounce {

  0%,
  80%,
  100% {
    transform: scale(0.6);
    opacity: 0.5;
  }

  40% {
    transform: scale(1);
    opacity: 1;
  }
}

@keyframes pulse-hint {

  0%,
  100% {
    opacity: 0.7;
  }

  50% {
    opacity: 1;
  }
}

@keyframes fade-pulse {

  0%,
  100% {
    opacity: 0.5;
  }

  50% {
    opacity: 1;
  }
}

/* =====================================================
   ANIMATIONS
   ===================================================== */

@keyframes fade-in {
  from {
    opacity: 0;
    transform: translateY(10px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-fade-in {
  animation: fade-in 0.3s ease-out;
}

/* =====================================================
   WATERMARK
   ===================================================== */

.card-watermark {
  position: relative;
  overflow: hidden;
}

.card-watermark::before {
  content: '';
  position: absolute;
  top: -100%;
  left: -100%;
  width: 300%;
  height: 300%;
  background-image: url('/watermark.svg');
  background-size: 500px 150px;
  background-repeat: repeat;
  background-position: center;
  opacity: 0.15;
  pointer-events: none;
  z-index: 10;
  transform: rotate(-20deg);
}

.card-watermark>* {
  position: relative;
  z-index: 1;
}

/* =====================================================
   FAVORITE BUTTON ANIMATIONS
   ===================================================== */

.favorite-btn {
  position: relative;
  overflow: visible;
  animation: favorite-double-bounce 1s ease-out;
}

@keyframes favorite-double-bounce {
  0% {
    transform: translateY(0) scale(1);
  }

  15% {
    transform: translateY(-12px) scale(1.1);
  }

  30% {
    transform: translateY(0) scale(1);
  }

  45% {
    transform: translateY(-8px) scale(1.05);
  }

  60% {
    transform: translateY(0) scale(1);
  }

  100% {
    transform: translateY(0) scale(1);
  }
}

.favorite-btn svg {
  animation: star-glow 2s ease-in-out infinite;
  filter: drop-shadow(0 0 2px rgba(255, 215, 0, 0.5));
}

@keyframes star-glow {

  0%,
  100% {
    transform: scale(1);
    filter: drop-shadow(0 0 2px rgba(255, 215, 0, 0.5));
  }

  50% {
    transform: scale(1.15);
    filter: drop-shadow(0 0 8px rgba(255, 215, 0, 0.9)) drop-shadow(0 0 15px rgba(255, 180, 0, 0.6));
  }
}

.favorite-btn:hover {
  transform: scale(1.15);
}

.favorite-btn:hover svg {
  animation: star-bounce 0.5s ease-in-out;
  color: #fbbf24 !important;
}

@keyframes star-bounce {
  0% {
    transform: scale(1);
  }

  25% {
    transform: scale(1.3) rotate(-10deg);
  }

  50% {
    transform: scale(0.9) rotate(5deg);
  }

  75% {
    transform: scale(1.15) rotate(-5deg);
  }

  100% {
    transform: scale(1.1) rotate(0deg);
  }
}

.favorite-btn-ring {
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  background: conic-gradient(from 0deg, transparent, rgba(255, 215, 0, 0.3), rgba(255, 180, 0, 0.5), rgba(255, 215, 0, 0.3), transparent);
  animation: ring-rotate 3s linear infinite;
  pointer-events: none;
  opacity: 0.7;
}

@keyframes ring-rotate {
  from {
    transform: rotate(0deg);
  }

  to {
    transform: rotate(360deg);
  }
}

.favorite-btn span {
  animation: text-pulse 2s ease-in-out infinite, text-shimmer 3s linear infinite;
  background: linear-gradient(90deg, #fbbf24, #fcd34d, #fbbf24);
  background-size: 200% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

@keyframes text-pulse {

  0%,
  100% {
    opacity: 0.8;
  }

  50% {
    opacity: 1;
    filter: drop-shadow(0 0 4px rgba(255, 215, 0, 0.8));
  }
}

@keyframes text-shimmer {
  0% {
    background-position: -200% 0;
  }

  100% {
    background-position: 200% 0;
  }
}

.favorite-btn {
  animation: favorite-double-bounce 1s ease-out, attention-shake 4s ease-in-out 2s infinite;
}

@keyframes attention-shake {

  0%,
  90%,
  100% {
    transform: translateX(0) rotate(0deg);
  }

  92% {
    transform: translateX(-3px) rotate(-2deg);
  }

  94% {
    transform: translateX(3px) rotate(2deg);
  }

  96% {
    transform: translateX(-2px) rotate(-1deg);
  }

  98% {
    transform: translateX(2px) rotate(1deg);
  }
}

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

/* =====================================================
   UTILITY CLASSES
   ===================================================== */

.text-balance {
  text-wrap: balance;
}

/* Credits Display */
.credits-display {
  background: var(--color-accent-light) !important;
  border-color: var(--color-border-accent) !important;
}

.credits-display .text-gray-500 {
  color: var(--color-text-muted) !important;
}

.credits-display .text-orange-600 {
  color: var(--color-accent) !important;
}

/* Welcome Message */
#welcomeMessage .text-gray-700 {
  color: var(--color-text-secondary) !important;
}

#welcomeMessage .text-gray-500 {
  color: var(--color-text-muted) !important;
}

/* =====================================================
   MOBILE OPTIMIZATIONS
   ===================================================== */

@media (max-width: 640px) {
  .flex-1.flex.flex-col.min-w-0 {
    max-width: 100vw;
    overflow-x: hidden;
  }

  #chatContainer {
    max-width: 100%;
    overflow-x: hidden;
  }

  #chatContainer .max-w-3xl {
    max-width: 100%;
    padding-left: 10px;
    padding-right: 10px;
  }

  .chart-container {
    height: 260px;
    width: 100%;
    max-width: 100%;
  }

  .chart-scroll-container {
    width: 100%;
    min-height: 220px;
  }

  .bot-message {
    max-width: 100%;
  }

  .bot-message>div {
    max-width: 100%;
  }

  #askBtn {
    min-width: 44px;
    padding: 10px;
    flex-shrink: 0;
  }

  #questionInput {
    max-height: 100px;
    overflow-y: auto;
  }
}

@media (min-width: 640px) {
  #questionInput {
    white-space: nowrap;
    overflow: hidden;
    max-height: 28px;
  }
}

/* =====================================================
   ERROR STATES
   ===================================================== */

.bg-red-50 {
  background-color: rgba(239, 68, 68, 0.1) !important;
}

.bg-red-100 {
  background-color: rgba(239, 68, 68, 0.2) !important;
}

.border-red-200 {
  border-color: rgba(248, 113, 113, 0.3) !important;
}

.text-red-600 {
  color: var(--color-error) !important;
}

/* =====================================================
   TAILWIND DARK CLASS OVERRIDES
   These ensure dark: prefix classes also work with our system
   ===================================================== */

.dark .bg-gray-900 {
  background: var(--color-bg-primary) !important;
}

.dark .bg-gray-800 {
  background: var(--color-bg-secondary) !important;
}

.dark .bg-white {
  background: var(--color-surface) !important;
}

.dark .text-white {
  color: var(--color-text-primary) !important;
}

.dark .text-gray-800 {
  color: var(--color-text-primary) !important;
}

.dark .text-gray-600 {
  color: var(--color-text-secondary) !important;
}

.dark .text-gray-400 {
  color: var(--color-text-muted) !important;
}

.dark .border-gray-200 {
  border-color: var(--color-border) !important;
}

.dark .border-gray-800 {
  border-color: var(--color-border) !important;
}

/* =====================================================
   LEGACY TAILWIND CLASS THEME OVERRIDES
   For elements still using inline Tailwind classes
   ===================================================== */

[data-theme="dark"] .bg-white:not(.bot-message-card):not(.user-message) {
  background: var(--color-surface) !important;
}

[data-theme="dark"] .bg-gray-50 {
  background: var(--color-bg-tertiary) !important;
}

[data-theme="dark"] .bg-gray-100 {
  background: var(--color-surface-hover) !important;
}

[data-theme="dark"] .bg-gray-200 {
  [data-theme="dark"] .animate-pulse .bg-gray-200 {
    background: var(--color-surface-active) !important;
  }

  [data-theme="dark"] .text-gray-800 {
    color: var(--color-text-primary) !important;
  }

  [data-theme="dark"] .text-gray-700 {
    color: var(--color-text-primary) !important;
  }

  [data-theme="dark"] .text-gray-600 {
    color: var(--color-text-secondary) !important;
  }

  [data-theme="dark"] .text-gray-500 {
    color: var(--color-text-muted) !important;
  }

  [data-theme="dark"] .border-gray-200,
  [data-theme="dark"] .border-gray-300 {
    border-color: var(--color-border) !important;
  }

  [data-theme="dark"] .hover\:bg-gray-100:hover {
    background: var(--color-surface-hover) !important;
  }

  /* Orange accent variations */
  [data-theme="dark"] .bg-orange-50 {
    background: var(--color-accent-light) !important;
  }

  [data-theme="dark"] .border-orange-200 {
    border-color: var(--color-border-accent) !important;
  }

  [data-theme="dark"] .text-orange-600 {
    color: var(--color-accent) !important;
  }

  [data-theme="dark"] .text-orange-700,
  [data-theme="dark"] .text-orange-800 {
    color: var(--color-accent-text) !important;
  }

  /* Skeleton loading in dark mode */
  background: var(--color-surface-active) !important;
}

/* =====================================================
   FORCE SCROLLBAR STYLES (Final Override)
   ===================================================== */

/* Firefox Standard */
html,
body,
#chatContainer,
.overflow-y-auto {
  scrollbar-width: thin;
  scrollbar-color: var(--color-accent) var(--color-scrollbar-track);
}

/* Webkit (Chrome/Edge/Safari) - High Specificity Override */
#app-layout #chatContainer::-webkit-scrollbar {
  width: 12px !important;
}

#app-layout #chatContainer::-webkit-scrollbar-track {
  background: var(--color-scrollbar-track) !important;
}

#app-layout #chatContainer::-webkit-scrollbar-thumb {
  background-color: var(--color-accent) !important;
  border-radius: 9999px !important;
  /* Pill shape */
  border: 3px solid var(--color-scrollbar-track) !important;
  /* Creates visual padding/gap */
  background-clip: padding-box !important;
}

#app-layout #chatContainer::-webkit-scrollbar-thumb:hover {
  background-color: var(--color-accent-hover) !important;
  border: 3px solid var(--color-scrollbar-track) !important;
}