/* ============================================
   KENDI - SISTEMA EDUCATIVO
   CSS COMPLETO - styles.css
   ============================================ */

/* ============================================
   PARTE 1: VARIABLES Y COLORES
   ============================================ */
:root {
    /* Colores principales por nivel educativo */
    --color-inicial: #FF6B9D;      /* Rosa - Educación Inicial */
    --color-primaria: #4ECDC4;     /* Turquesa - Educación Primaria */
    --color-bachiller: #A29BFE;    /* Morado - Bachillerato */
    
    /* Colores para tipos de contenido */
    --color-trivia: #FFD93D;       /* Amarillo - Trivia */
    --color-arrastrar: #6BCF7F;    /* Verde - Arrastrar y Soltar */
    --color-rompecabezas: #FF8E53; /* Naranja - Rompecabezas */
    --color-slider: #74B9FF;       /* Azul - Slider */
    --color-memory: #A29BFE;       /* Morado - Memory Game */
    --color-lectura: #55EFC4;      /* Verde menta - Lectura */
    --color-video: #FF7675;        /* Rojo coral - Videos */
    --color-audio: #FD79A8;        /* Rosa fuerte - Audio */
    
    /* Colores de estado */
    --color-success: #00B894;
    --color-warning: #FDCB6E;
    --color-danger: #D63031;
    --color-info: #0984E3;
    
    /* Colores de fondo */
    --bg-primary: #FFF5F7;
    --bg-secondary: #F0F8FF;
    --bg-white: #FFFFFF;
    --bg-card: #FFFFFF;
    --bg-dark: #2D3436;
    --bg-overlay: rgba(0, 0, 0, 0.5);
    
    /* Colores de texto */
    --text-dark: #2C3E50;
    --text-medium: #636E72;
    --text-light: #B2BEC3;
    --text-white: #FFFFFF;
    
    /* Sombras */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.15);
    --shadow-xl: 0 12px 24px rgba(0, 0, 0, 0.18);
    
    /* Bordes redondeados */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 50%;
    
    /* Espaciados */
    --space-xs: 8px;
    --space-sm: 12px;
    --space-md: 16px;
    --space-lg: 24px;
    --space-xl: 32px;
    --space-2xl: 48px;
    
    /* Transiciones */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Fuentes */
    --font-body: 'Poppins', 'Segoe UI', sans-serif;
    --font-heading: 'Fredoka', 'Comic Sans MS', cursive;
}

/* ============================================
   PARTE 2: RESET Y ESTILOS BASE
   ============================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background: var(--bg-primary);
    color: var(--text-dark);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
}

/* ============================================
   PARTE 3: TIPOGRAFÍA
   ============================================ */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: var(--space-md);
}

h1 {
    font-size: 2.5rem;
    color: var(--text-dark);
}

h2 {
    font-size: 2rem;
    color: var(--text-dark);
}

h3 {
    font-size: 1.5rem;
    color: var(--text-dark);
}

h4 {
    font-size: 1.25rem;
    color: var(--text-medium);
}

p {
    margin-bottom: var(--space-md);
    color: var(--text-medium);
}

/* ============================================
   PARTE 4: LAYOUT Y CONTENEDORES
   ============================================ */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--space-lg);
}

.container-fluid {
    width: 100%;
    padding: var(--space-lg);
}

.row {
    display: flex;
    flex-wrap: wrap;
    margin: 0 calc(var(--space-md) * -1);
}

.col {
    flex: 1;
    padding: var(--space-md);
}

.col-2 {
    flex: 0 0 50%;
    max-width: 50%;
    padding: var(--space-md);
}

.col-3 {
    flex: 0 0 33.333%;
    max-width: 33.333%;
    padding: var(--space-md);
}

.col-4 {
    flex: 0 0 25%;
    max-width: 25%;
    padding: var(--space-md);
}

/* ============================================
   PARTE 5: HEADER Y NAVEGACIÓN
   ============================================ */
.header {
    background: var(--bg-white);
    padding: var(--space-lg);
    box-shadow: var(--shadow-md);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1400px;
    margin: 0 auto;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.logo-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--color-inicial), var(--color-primaria));
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-white);
    font-size: 1.5rem;
    font-weight: bold;
}

.logo-text {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--color-inicial), var(--color-primaria));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--space-lg);
}

.nav-menu li a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-md);
    transition: var(--transition-fast);
}

.nav-menu li a:hover {
    background: var(--bg-primary);
    color: var(--color-primaria);
}

.user-profile {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.user-avatar {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    background: var(--color-inicial);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-white);
    font-weight: 600;
}

/* ============================================
   PARTE 6: DASHBOARD
   ============================================ */
.dashboard {
    padding: var(--space-2xl) 0;
}

.dashboard-header {
    margin-bottom: var(--space-2xl);
    text-align: center;
}

.dashboard-title {
    font-size: 3rem;
    margin-bottom: var(--space-md);
    background: linear-gradient(135deg, var(--color-inicial), var(--color-bachiller));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.dashboard-subtitle {
    color: var(--text-medium);
    font-size: 1.2rem;
}

/* ============================================
   PARTE 7: TARJETAS (CARDS)
   ============================================ */
.card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
    height: 100%;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.card-header {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
}

.card-icon {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    flex-shrink: 0;
}

.card-icon.inicial {
    background: linear-gradient(135deg, #FF6B9D, #FFB4D1);
    color: var(--text-white);
}

.card-icon.primaria {
    background: linear-gradient(135deg, #4ECDC4, #8EE4DD);
    color: var(--text-white);
}

.card-icon.bachiller {
    background: linear-gradient(135deg, #A29BFE, #C5BFF7);
    color: var(--text-white);
}

.card-title {
    font-size: 1.5rem;
    margin-bottom: var(--space-xs);
}

.card-description {
    color: var(--text-medium);
    font-size: 0.95rem;
    line-height: 1.5;
}

.card-body {
    margin-bottom: var(--space-lg);
}

.card-footer {
    display: flex;
    gap: var(--space-sm);
}

/* ============================================
   PARTE 8: BOTONES
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    border: none;
    border-radius: var(--radius-md);
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-fast);
    text-decoration: none;
    white-space: nowrap;
}

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

.btn:active {
    transform: translateY(0);
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primaria), #6EDDD6);
    color: var(--text-white);
}

.btn-inicial {
    background: linear-gradient(135deg, var(--color-inicial), #FFB4D1);
    color: var(--text-white);
}

.btn-primaria {
    background: linear-gradient(135deg, var(--color-primaria), #8EE4DD);
    color: var(--text-white);
}

.btn-bachiller {
    background: linear-gradient(135deg, var(--color-bachiller), #C5BFF7);
    color: var(--text-white);
}

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

.btn-warning {
    background: var(--color-warning);
    color: var(--text-dark);
}

.btn-danger {
    background: var(--color-danger);
    color: var(--text-white);
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--color-primaria);
    color: var(--color-primaria);
}

.btn-outline:hover {
    background: var(--color-primaria);
    color: var(--text-white);
}

.btn-large {
    padding: var(--space-lg) var(--space-2xl);
    font-size: 1.2rem;
}

.btn-small {
    padding: var(--space-sm) var(--space-md);
    font-size: 0.9rem;
}

.btn-block {
    width: 100%;
    display: flex;
}

/* ============================================
   PARTE 9: FORMULARIOS
   ============================================ */
.form-group {
    margin-bottom: var(--space-lg);
}

.form-label {
    display: block;
    font-weight: 600;
    margin-bottom: var(--space-sm);
    color: var(--text-dark);
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: var(--space-md);
    border: 2px solid #E1E8ED;
    border-radius: var(--radius-md);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: var(--transition-fast);
    background: var(--bg-white);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--color-primaria);
    box-shadow: 0 0 0 3px rgba(78, 205, 196, 0.1);
}

.form-textarea {
    min-height: 120px;
    resize: vertical;
}

.form-error {
    color: var(--color-danger);
    font-size: 0.875rem;
    margin-top: var(--space-xs);
}

.form-help {
    color: var(--text-light);
    font-size: 0.875rem;
    margin-top: var(--space-xs);
}

/* ============================================
   PARTE 10: BADGES Y ETIQUETAS
   ============================================ */
.badge {
    display: inline-block;
    padding: var(--space-xs) var(--space-md);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
    white-space: nowrap;
}

.badge-inicial {
    background: #FFE5EE;
    color: var(--color-inicial);
}

.badge-primaria {
    background: #E0F7F5;
    color: var(--color-primaria);
}

.badge-bachiller {
    background: #EAE8FE;
    color: var(--color-bachiller);
}

.badge-trivia {
    background: #FFF8E1;
    color: #F9A825;
}

.badge-arrastrar {
    background: #E8F5E9;
    color: #43A047;
}

.badge-rompecabezas {
    background: #FFE5CC;
    color: #E65100;
}

.badge-slider {
    background: #E3F2FD;
    color: #1976D2;
}

.badge-memory {
    background: #F3E5F5;
    color: #7B1FA2;
}

/* ============================================
   PARTE 11: GRID DE ACCIONES PRINCIPALES
   ============================================ */
.actions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--space-xl);
    margin-top: var(--space-2xl);
}

.action-card {
    background: var(--bg-white);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
    box-shadow: var(--shadow-lg);
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.action-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 6px;
    background: linear-gradient(90deg, var(--color-inicial), var(--color-primaria), var(--color-bachiller));
}

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

.action-icon {
    width: 80px;
    height: 80px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    margin-bottom: var(--space-lg);
}

.action-icon.menus {
    background: linear-gradient(135deg, #667EEA, #764BA2);
}

.action-icon.contenido {
    background: linear-gradient(135deg, #F093FB, #F5576C);
}

.action-icon.asignar {
    background: linear-gradient(135deg, #4FACFE, #00F2FE);
}

.action-title {
    font-size: 1.8rem;
    margin-bottom: var(--space-md);
}

.action-description {
    color: var(--text-medium);
    margin-bottom: var(--space-xl);
    line-height: 1.6;
}

.action-features {
    list-style: none;
    margin-bottom: var(--space-xl);
}

.action-features li {
    padding: var(--space-sm) 0;
    color: var(--text-medium);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.action-features li::before {
    content: '✓';
    color: var(--color-success);
    font-weight: bold;
    font-size: 1.2rem;
}

/* ============================================
   PARTE 12: MODALES
   ============================================ */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--bg-overlay);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-normal);
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal {
    background: var(--bg-white);
    border-radius: var(--radius-xl);
    max-width: 600px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-xl);
    transform: scale(0.9);
    transition: var(--transition-normal);
}

.modal-overlay.active .modal {
    transform: scale(1);
}

.modal-header {
    padding: var(--space-xl);
    border-bottom: 2px solid var(--bg-primary);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-title {
    font-size: 1.8rem;
    margin: 0;
}

.modal-close {
    background: none;
    border: none;
    font-size: 2rem;
    cursor: pointer;
    color: var(--text-medium);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-full);
    transition: var(--transition-fast);
}

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

.modal-body {
    padding: var(--space-xl);
}

.modal-footer {
    padding: var(--space-xl);
    border-top: 2px solid var(--bg-primary);
    display: flex;
    justify-content: flex-end;
    gap: var(--space-md);
}

/* ============================================
   PARTE 13: LISTAS Y TABLAS
   ============================================ */
.list-group {
    list-style: none;
}

.list-item {
    background: var(--bg-white);
    padding: var(--space-md);
    margin-bottom: var(--space-sm);
    border-radius: var(--radius-md);
    border-left: 4px solid var(--color-primaria);
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition-fast);
}

.list-item:hover {
    background: var(--bg-primary);
    transform: translateX(5px);
}

.table {
    width: 100%;
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.table thead {
    background: var(--bg-primary);
}

.table th {
    padding: var(--space-md);
    text-align: left;
    font-weight: 600;
    color: var(--text-dark);
}

.table td {
    padding: var(--space-md);
    border-top: 1px solid var(--bg-primary);
}

.table tr:hover {
    background: var(--bg-primary);
}

/* ============================================
   PARTE 14: ALERTAS Y NOTIFICACIONES
   ============================================ */
.alert {
    padding: var(--space-md) var(--space-lg);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-md);
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.alert-success {
    background: #D4EDDA;
    color: #155724;
    border-left: 4px solid var(--color-success);
}

.alert-warning {
    background: #FFF3CD;
    color: #856404;
    border-left: 4px solid var(--color-warning);
}

.alert-danger {
    background: #F8D7DA;
    color: #721C24;
    border-left: 4px solid var(--color-danger);
}

.alert-info {
    background: #D1ECF1;
    color: #0C5460;
    border-left: 4px solid var(--color-info);
}

/* ============================================
   PARTE 15: UTILIDADES
   ============================================ */
.text-center {
    text-align: center;
}

.text-right {
    text-align: right;
}

.text-left {
    text-align: left;
}

.mt-1 { margin-top: var(--space-xs); }
.mt-2 { margin-top: var(--space-sm); }
.mt-3 { margin-top: var(--space-md); }
.mt-4 { margin-top: var(--space-lg); }
.mt-5 { margin-top: var(--space-xl); }

.mb-1 { margin-bottom: var(--space-xs); }
.mb-2 { margin-bottom: var(--space-sm); }
.mb-3 { margin-bottom: var(--space-md); }
.mb-4 { margin-bottom: var(--space-lg); }
.mb-5 { margin-bottom: var(--space-xl); }

.d-flex {
    display: flex;
}

.flex-wrap {
    flex-wrap: wrap;
}

.align-center {
    align-items: center;
}

.justify-between {
    justify-content: space-between;
}

.justify-center {
    justify-content: center;
}

.gap-1 { gap: var(--space-xs); }
.gap-2 { gap: var(--space-sm); }
.gap-3 { gap: var(--space-md); }
.gap-4 { gap: var(--space-lg); }

.hidden {
    display: none;
}

/* ============================================
   PARTE 16: RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
    .col-3 {
        flex: 0 0 50%;
        max-width: 50%;
    }
    
    .col-4 {
        flex: 0 0 50%;
        max-width: 50%;
    }
}

@media (max-width: 768px) {
    .container {
        padding: var(--space-md);
    }
    
    h1 {
        font-size: 2rem;
    }
    
    .dashboard-title {
        font-size: 2rem;
    }
    
    .col-2,
    .col-3,
    .col-4 {
        flex: 0 0 100%;
        max-width: 100%;
    }
    
    .nav-menu {
        flex-direction: column;
        gap: var(--space-sm);
    }
    
    .actions-grid {
        grid-template-columns: 1fr;
    }
    
    .btn-large {
        padding: var(--space-md) var(--space-lg);
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    html {
        font-size: 14px;
    }
    
    .header {
        padding: var(--space-md);
    }
    
    .logo-text {
        font-size: 1.5rem;
    }
    
    .card {
        padding: var(--space-lg);
    }
    
    .action-card {
        padding: var(--space-lg);
    }
}

/* ============================================
   PARTE 17: ANIMACIONES
   ============================================ */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideIn {
    from {
        transform: translateX(-100%);
    }
    to {
        transform: translateX(0);
    }
}

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

.fade-in {
    animation: fadeIn var(--transition-slow) ease;
}

.slide-in {
    animation: slideIn var(--transition-normal) ease;
}

/* ============================================
   FIN DEL CSS
   ============================================ */