/* ===== VARIABLES DE COLORES - TEMA CLARO ===== */
:root {
  /* Colores de marca */
  --primary: #6366f1;
  --primary-dark: #4f46e5;
  --primary-light: #818cf8;
  --secondary: #f59e0b;
  --secondary-dark: #d97706;
  --success: #10b981;
  --success-dark: #059669;
  --warning: #f59e0b;
  --danger: #ef4444;
  --info: #06b6d4;
  
  /* Colores de tema - CLARO */
  --bg-primary: #ffffff;
  --bg-secondary: #f8f9fa;
  --bg-tertiary: #f3f4f6;
  --text-primary: #1f2937;
  --text-secondary: #6b7280;
  --text-tertiary: #9ca3af;
  --border-color: #e5e7eb;
  --shadow-color: rgba(0, 0, 0, 0.1);
  
  /* Gradientes */
  --gradient-1: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --gradient-2: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
  --gradient-3: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
  --gradient-4: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%);
  --gradient-5: linear-gradient(135deg, #fa709a 0%, #fee140 100%);
  
  /* Sombras */
  --shadow-sm: 0 2px 4px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 6px rgba(0,0,0,0.1);
  --shadow-lg: 0 10px 25px rgba(0,0,0,0.15);
  --shadow-xl: 0 20px 40px rgba(0,0,0,0.2);
}

/* ===== TEMA OSCURO ===== */
[data-theme="dark"] {
  /* Colores de tema - OSCURO */
  --bg-primary: #1a1a1a;
  --bg-secondary: #2d2d2d;
  --bg-tertiary: #3a3a3a;
  --text-primary: #f3f4f6;
  --text-secondary: #d1d5db;
  --text-tertiary: #9ca3af;
  --border-color: #4b5563;
  --shadow-color: rgba(0, 0, 0, 0.5);
  
  /* Ajustar sombras para tema oscuro */
  --shadow-sm: 0 2px 4px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 6px rgba(0,0,0,0.4);
  --shadow-lg: 0 10px 25px rgba(0,0,0,0.5);
  --shadow-xl: 0 20px 40px rgba(0,0,0,0.6);
}

/* ===== TIPOGRAFÍA ===== */
html {
  font-size: 14px;
}

@media (min-width: 768px) {
  html {
    font-size: 16px;
  }
}

html {
  position: relative;
  min-height: 100%;
}

body {
  margin: 0;
  padding: 0;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background: var(--bg-secondary);
  color: var(--text-primary);
  transition: background-color 0.3s ease, color 0.3s ease;
}

/* Asegurar contraste en textos */
[data-theme="light"] body {
  background: #f8f9fa;
  color: #212529;
}

[data-theme="dark"] body {
  background: #1a1a1a;
  color: #e2e8f0;
}

/* Títulos con buen contraste */
[data-theme="light"] h1, 
[data-theme="light"] h2, 
[data-theme="light"] h3, 
[data-theme="light"] h4, 
[data-theme="light"] h5, 
[data-theme="light"] h6 {
  color: #111827;
}

[data-theme="dark"] h1, 
[data-theme="dark"] h2, 
[data-theme="dark"] h3, 
[data-theme="dark"] h4, 
[data-theme="dark"] h5, 
[data-theme="dark"] h6 {
  color: #f1f5f9;
}

/* Párrafos y textos */
[data-theme="light"] p {
  color: #4b5563;
}

[data-theme="dark"] p {
  color: #cbd5e1;
}

/* ===== ANIMACIONES ===== */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes slideInUp {
  from { opacity: 0; transform: translateY(40px); }
  to { opacity: 1; transform: translateY(0); }
}

.slide-in-up {
  animation: slideInUp 0.8s ease-out forwards;
}

@keyframes slideInLeft {
  from { opacity: 0; transform: translateX(-50px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes slideInRight {
  from { opacity: 0; transform: translateX(50px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

@keyframes shine {
  to { background-position: 200% center; }
}

.fade-in { 
  animation: fadeIn 0.6s ease-out; 
  will-change: opacity;
}
.slide-in-left { 
  animation: slideInLeft 0.6s ease-out; 
  will-change: transform, opacity;
}
.slide-in-right { 
  animation: slideInRight 0.6s ease-out; 
  will-change: transform, opacity;
}

/* ===== BOTONES MODERNOS ===== */
.btn {
  border-radius: 12px;
  font-weight: 600;
  padding: 12px 24px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  border: none;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
  transition: left 0.5s;
}

.btn:hover::before {
  left: 100%;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn:active {
  transform: translateY(0);
  box-shadow: var(--shadow-sm);
}

.btn-primary {
  background: var(--gradient-1);
  color: white;
}

.btn-success {
  background: var(--gradient-4);
  color: white;
}

.btn-warning {
  background: var(--gradient-5);
  color: white;
}

.btn-danger {
  background: linear-gradient(135deg, #ff6b6b 0%, #ee5a6f 100%);
  color: white;
}

.btn-lg {
  padding: 16px 32px;
  font-size: 1.1rem;
  border-radius: 16px;
}

/* ===== TARJETAS MODERNAS ===== */
.card {
  border: 1px solid var(--border-color);
  border-radius: 20px;
  box-shadow: var(--shadow-md);
  transition: all 0.3s ease;
  overflow: hidden;
  background: var(--bg-primary);
  color: var(--text-primary);
}

[data-theme="light"] .card {
  background: #ffffff;
  color: #212529;
  border-color: #e5e7eb;
}

[data-theme="dark"] .card {
  background: #2d2d2d;
  color: #e2e8f0;
  border-color: #4b5563;
}

.card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}

.card-header {
  border: none;
  border-radius: 20px 20px 0 0;
  padding: 1.5rem;
  font-weight: 700;
}

[data-theme="light"] .card-header {
  background: #f8f9fa;
  color: #111827;
}

[data-theme="dark"] .card-header {
  background: #1a1a1a;
  color: #f1f5f9;
}

.card-body {
  padding: 1.5rem;
}

[data-theme="light"] .card-title {
  color: #111827;
}

[data-theme="dark"] .card-title {
  color: #f1f5f9;
}

[data-theme="light"] .card-text {
  color: #4b5563;
}

[data-theme="dark"] .card-text {
  color: #cbd5e1;
}

/* ===== BADGES Y ETIQUETAS ===== */
.badge {
  border-radius: 8px;
  padding: 6px 12px;
  font-weight: 600;
  letter-spacing: 0.5px;
}

/* ===== FORMULARIOS ===== */
.form-control, .form-select {
  border-radius: 12px;
  border: 2px solid var(--border-color);
  padding: 12px 16px;
  transition: all 0.3s ease;
  font-size: 1rem;
  background: var(--bg-primary);
  color: var(--text-primary);
}

[data-theme="light"] .form-control,
[data-theme="light"] .form-select {
  background: #ffffff;
  color: #212529;
  border-color: #d1d5db;
}

[data-theme="dark"] .form-control,
[data-theme="dark"] .form-select {
  background: #2d2d2d;
  color: #e2e8f0;
  border-color: #4b5563;
}

[data-theme="dark"] .form-control::placeholder {
  color: #9ca3af;
}

.form-control:focus, .form-select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1);
  transform: translateY(-2px);
}

[data-theme="dark"] .form-control:focus,
[data-theme="dark"] .form-select:focus {
  background: #3a3a3a;
  box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.2);
}

.form-label {
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 8px;
}

[data-theme="light"] .form-label {
  color: #374151;
}

[data-theme="dark"] .form-label {
  color: #e2e8f0;
}

/* ===== ALERTAS MODERNAS ===== */
.alert {
  border: none;
  border-radius: 16px;
  padding: 1.25rem;
  box-shadow: var(--shadow-sm);
}

.alert-success {
  background: linear-gradient(135deg, #d1fae5 0%, #a7f3d0 100%);
  color: #065f46;
}

.alert-warning {
  background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
  color: #92400e;
}

.alert-danger {
  background: linear-gradient(135deg, #fee2e2 0%, #fecaca 100%);
  color: #991b1b;
}

.alert-info {
  background: linear-gradient(135deg, #dbeafe 0%, #bfdbfe 100%);
  color: #1e40af;
}

/* ===== PROGRESO ===== */
.progress {
  border-radius: 10px;
  height: 12px;
  background: #e5e7eb;
  overflow: hidden;
}

.progress-bar {
  border-radius: 10px;
  background: var(--gradient-4);
  transition: width 0.6s ease;
}

/* ===== EFECTOS DE GLASSMORPHISM ===== */
.glass {
  background: rgba(255, 255, 255, 0.25);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 20px;
}

/* ===== TEXTOS CON GRADIENTE ===== */
.text-gradient {
  background: var(--gradient-1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ===== ICONOS Y EMOJIS ===== */
.emoji-large {
  font-size: 3rem;
  animation: bounce 2s infinite;
}

/* ===== SEPARADORES ===== */
hr {
  border: none;
  height: 3px;
  background: var(--gradient-1);
  border-radius: 10px;
  margin: 2rem 0;
}

/* ===== SOMBRAS PERSONALIZADAS ===== */
.shadow-custom {
  box-shadow: 0 10px 30px rgba(99, 102, 241, 0.3);
}

.shadow-success {
  box-shadow: 0 10px 30px rgba(16, 185, 129, 0.3);
}

.shadow-warning {
  box-shadow: 0 10px 30px rgba(245, 158, 11, 0.3);
}

/* ===== HOVER EFFECTS ===== */
.hover-scale {
  transition: transform 0.3s ease;
}

.hover-scale:hover {
  transform: scale(1.05);
}

/* ===== BOTÓN CAMBIO DE TEMA ===== */
.theme-toggle {
  position: relative;
  width: 60px;
  height: 32px;
  background: var(--bg-tertiary);
  border-radius: 50px;
  border: 2px solid var(--border-color);
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  padding: 4px;
  overflow: hidden;
}

.theme-toggle:hover {
  transform: scale(1.05);
  box-shadow: 0 0 15px rgba(99, 102, 241, 0.3);
}

.theme-toggle-slider {
  position: absolute;
  width: 24px;
  height: 24px;
  background: linear-gradient(135deg, #fbbf24 0%, #f59e0b 100%);
  border-radius: 50%;
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

[data-theme="dark"] .theme-toggle-slider {
  transform: translateX(28px);
  background: linear-gradient(135deg, #818cf8 0%, #6366f1 100%);
}

.theme-icon {
  pointer-events: none;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .btn-lg {
    padding: 12px 24px;
    font-size: 1rem;
  }
  
  .card {
    border-radius: 16px;
  }
  
  .theme-toggle {
    width: 50px;
    height: 28px;
  }
  
  .theme-toggle-slider {
    width: 20px;
    height: 20px;
    font-size: 12px;
  }
  
  [data-theme="dark"] .theme-toggle-slider {
    transform: translateX(22px);
  }
}

/* ===== CLASES DE UTILIDAD PARA TEMAS ===== */

/* Cards adaptables */
.card-theme {
  background-color: var(--bg-primary) !important;
  color: var(--text-primary) !important;
  border-color: var(--border-color) !important;
}

.card-theme .card-header {
  background-color: var(--bg-secondary) !important;
  color: var(--text-primary) !important;
  border-color: var(--border-color) !important;
}

.card-theme .card-footer {
  background-color: var(--bg-secondary) !important;
  color: var(--text-primary) !important;
  border-color: var(--border-color) !important;
}

/* Texto adaptable */
.text-theme-primary {
  color: var(--text-primary) !important;
}

.text-theme-secondary {
  color: var(--text-secondary) !important;
}

.text-theme-muted {
  color: var(--text-tertiary) !important;
}

/* Backgrounds adaptables */
.bg-theme-primary {
  background-color: var(--bg-primary) !important;
}

.bg-theme-secondary {
  background-color: var(--bg-secondary) !important;
}

.bg-theme-tertiary {
  background-color: var(--bg-tertiary) !important;
}

/* Tablas adaptables */
[data-theme="dark"] .table {
  --bs-table-bg: var(--bg-secondary);
  --bs-table-striped-bg: var(--bg-tertiary);
  --bs-table-hover-bg: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
  border-color: var(--border-color);
}

[data-theme="dark"] .table th,
[data-theme="dark"] .table td {
  border-color: var(--border-color);
}

/* Override para bg-white y bg-light en tema oscuro */
[data-theme="dark"] .bg-white {
  background-color: var(--bg-primary) !important;
}

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

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

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

/* Cards con bg-white o bg-light */
[data-theme="dark"] .card.bg-white,
[data-theme="dark"] .card.bg-light,
[data-theme="dark"] .card-header.bg-white,
[data-theme="dark"] .card-footer.bg-white {
  background-color: var(--bg-secondary) !important;
  color: var(--text-primary) !important;
}

/* Badges con mejor contraste */
[data-theme="dark"] .badge.bg-warning {
  background-color: #f59e0b !important;
  color: #000 !important;
}

[data-theme="dark"] .badge.text-dark {
  color: #fff !important;
}

/* Forms en tema oscuro */
[data-theme="dark"] .form-control,
[data-theme="dark"] .form-select {
  background-color: var(--bg-tertiary);
  color: var(--text-primary);
  border-color: var(--border-color);
}

[data-theme="dark"] .form-control:focus,
[data-theme="dark"] .form-select:focus {
  background-color: var(--bg-tertiary);
  color: var(--text-primary);
  border-color: var(--primary);
}

/* Modales en tema oscuro */
[data-theme="dark"] .modal-content {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  border-color: var(--border-color);
}

[data-theme="dark"] .modal-header,
[data-theme="dark"] .modal-footer {
  border-color: var(--border-color);
}

/* Alerts en tema oscuro */
[data-theme="dark"] .alert {
  border-color: var(--border-color);
}

[data-theme="dark"] .alert-info {
  background-color: rgba(6, 182, 212, 0.1);
  color: #06b6d4;
  border-color: rgba(6, 182, 212, 0.3);
}

[data-theme="dark"] .alert-warning {
  background-color: rgba(245, 158, 11, 0.1);
  color: #f59e0b;
  border-color: rgba(245, 158, 11, 0.3);
}

[data-theme="dark"] .alert-danger {
  background-color: rgba(239, 68, 68, 0.1);
  color: #ef4444;
  border-color: rgba(239, 68, 68, 0.3);
}

[data-theme="dark"] .alert-success {
  background-color: rgba(16, 185, 129, 0.1);
  color: #10b981;
  border-color: rgba(16, 185, 129, 0.3);
}