/**
 * SGB - Sistema de Gestión de Bodegas
 * themes.css - Sistema de temas unificado
 * 
 * Este archivo contiene:
 * 1. Definiciones de variables para cada tema (claro, oscuro, lectura)
 * 2. Selector de tema y su estilización
 * 3. Transiciones y animaciones para cambios de tema
 */

/* ===== DEFINICIONES DE TEMAS ===== */

/* Tema Claro (default) - Las variables ya están definidas en base.css */

/* Tema Oscuro */
html[data-theme="dark"] {
  /* Colores principales - Modo Oscuro */
  --color-primary: #0d6efd;
  --color-secondary: #6c757d;
  --color-success: #198754;
  --color-danger: #dc3545;
  --color-warning: #ffc107;
  --color-info: #0dcaf0;
  
  /* Colores de fondo y texto - Modo Oscuro */
  --bg-main: #121212;
  --bg-card: #1e1e1e;
  --bg-sidebar: #1a1a1a;
  --bg-header: #1a1a1a;
  --bg-input: #2d2d2d;
  
  /* Colores de texto - Modo Oscuro */
  --text-main: #e0e0e0;
  --text-muted: #adb5bd;
  --text-light: #f8f9fa;
  --text-link: #0d6efd;
  --text-sidebar: #e0e0e0;
  
  /* Bordes y sombras - Modo Oscuro */
  --border-color: #3d3d3d;
  --box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.3);
  --box-shadow-sm: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.2);
}

/* Tema Lectura */
html[data-theme="reading"] {
  /* Colores principales - Modo Lectura */
  --color-primary: #5a4a41;
  --color-secondary: #7d6c61;
  --color-success: #4a7d5a;
  --color-danger: #7d4a4a;
  --color-warning: #7d6a4a;
  --color-info: #4a617d;
  
  /* Colores de fondo y texto - Modo Lectura */
  --bg-main: #f5e9d9;
  --bg-card: #fff8e8;
  --bg-sidebar: #e6d9c8;
  --bg-header: #fff8e8;
  --bg-input: #fffbf0;
  
  /* Colores de texto - Modo Lectura */
  --text-main: #5a4a41;
  --text-muted: #7d6c61;
  --text-light: #f8f9fa;
  --text-link: #7d5a41;
  --text-sidebar: #5a4a41;
  
  /* Bordes y sombras - Modo Lectura */
  --border-color: #d8c9b9;
  --box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.1);
  --box-shadow-sm: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.05);
}

/* ===== APLICACIÓN DE TEMAS A ELEMENTOS ESPECÍFICOS ===== */

/* Cuerpo y fondo principal */
body {
  background-color: var(--bg-main);
  color: var(--text-main);
}

/* Contenedores y tarjetas */
.card, .container, .login-container {
  background-color: var(--bg-card);
  color: var(--text-main);
  border-color: var(--border-color);
  box-shadow: var(--box-shadow-sm);
  transition: var(--transition-theme);
}

.card-header, .card-footer {
  background-color: rgba(0, 0, 0, 0.03);
  border-color: var(--border-color);
}

html[data-theme="dark"] .card-header,
html[data-theme="dark"] .card-footer {
  background-color: rgba(255, 255, 255, 0.05);
}

html[data-theme="reading"] .card-header,
html[data-theme="reading"] .card-footer {
  background-color: rgba(90, 74, 65, 0.05);
}

/* Sidebar y navegación */
/* Comentamos estos estilos para evitar conflictos con los nuevos estilos en layout.css */
/* 
.sidebar {
  background-color: var(--bg-sidebar);
  color: var(--text-sidebar);
  border-color: var(--border-color);
  transition: var(--transition-theme);
}

.sidebar .nav-link {
  color: var(--text-sidebar);
  transition: var(--transition-base);
}

.sidebar .nav-link:hover,
.sidebar .nav-link.active {
  background-color: rgba(255, 255, 255, 0.1);
}

html[data-theme="reading"] .sidebar .nav-link:hover,
html[data-theme="reading"] .sidebar .nav-link.active {
  background-color: rgba(90, 74, 65, 0.1);
}
*/

/* Formularios e inputs */
input, select, textarea, .form-control {
  background-color: var(--bg-input);
  color: var(--text-main);
  border-color: var(--border-color);
  transition: var(--transition-theme);
}

input:focus, select:focus, textarea:focus, .form-control:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 0.25rem rgba(var(--color-primary-rgb), 0.25);
}

/* Botones */
.btn {
  transition: var(--transition-base);
}

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

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

.btn-outline-secondary {
  color: var(--color-secondary);
  border-color: var(--color-secondary);
}

html[data-theme="dark"] .btn-outline-secondary {
  color: var(--text-main);
  border-color: var(--border-color);
}

html[data-theme="reading"] .btn-outline-secondary {
  color: var(--text-main);
  border-color: var(--border-color);
}

/* Tablas */
.table {
  color: var(--text-main);
  border-color: var(--border-color);
}

.table thead th {
  border-bottom-color: var(--border-color);
}

.table-striped tbody tr:nth-of-type(odd) {
  background-color: rgba(0, 0, 0, 0.05);
}

html[data-theme="dark"] .table-striped tbody tr:nth-of-type(odd) {
  background-color: rgba(255, 255, 255, 0.05);
}

html[data-theme="reading"] .table-striped tbody tr:nth-of-type(odd) {
  background-color: rgba(90, 74, 65, 0.05);
}

/* ===== SELECTOR DE TEMA ===== */
.theme-switcher {
  position: fixed;
  bottom: 20px;
  right: 20px;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background-color: var(--bg-card);
  color: var(--text-main);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: var(--box-shadow);
  z-index: 1000;
  transition: var(--transition-base);
}

.theme-switcher:hover {
  transform: scale(1.1);
}

.theme-menu {
  position: absolute;
  bottom: 60px;
  right: 0;
  width: 180px;
  background-color: var(--bg-card);
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  padding: var(--spacing-2);
  display: none;
  flex-direction: column;
  z-index: 1001;
}

.theme-menu.show {
  display: flex;
}

.theme-option {
  padding: var(--spacing-2);
  cursor: pointer;
  border-radius: var(--border-radius);
  display: flex;
  align-items: center;
  transition: var(--transition-base);
}

.theme-option:hover {
  background-color: rgba(0, 0, 0, 0.05);
}

html[data-theme="dark"] .theme-option:hover {
  background-color: rgba(255, 255, 255, 0.05);
}

html[data-theme="reading"] .theme-option:hover {
  background-color: rgba(90, 74, 65, 0.05);
}

.theme-option i {
  margin-right: var(--spacing-2);
}

.theme-option.selected {
  background-color: rgba(var(--color-primary-rgb), 0.1);
  color: var(--color-primary);
}

/* Notificación de cambio de tema */
.theme-change-notification {
  position: fixed;
  bottom: 20px;
  left: 20px;
  padding: var(--spacing-2) var(--spacing-3);
  background-color: var(--bg-card);
  color: var(--text-main);
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  z-index: 1000;
  animation: fadeIn 0.3s ease-in-out;
  transition: opacity 0.3s ease-in-out;
}

.theme-change-notification.hide {
  opacity: 0;
}

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