/**
 * Sistema de Diseño Institucional - Colegio Juan del Corral
 * Diseño profesional, moderno y elegante
 */

/* ============================================
   VARIABLES CSS - Paleta de Colores Institucional
   ============================================ */
:root {
    /* Colores Principales */
    --primary-color: #1a5f2e;
    --primary-dark: #0f3d1d;
    --primary-light: #2d8a4a;
    --secondary-color: #f8f9fa;
    --accent-color: #ffc107;
    
    /* Colores de Texto */
    --text-primary: #212529;
    --text-secondary: #6c757d;
    --text-light: #ffffff;
    
    /* Colores de Fondo */
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;
    --bg-light: #f1f5f9;
    --bg-gradient: linear-gradient(135deg, #1a5f2e 0%, #2d8a4a 100%);
    
    /* Sombras */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.15);
    --shadow-xl: 0 12px 48px rgba(0, 0, 0, 0.2);
    
    /* Espaciado */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    
    /* Tipografía */
    --font-primary: 'Inter', 'Segoe UI', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-heading: 'Poppins', 'Segoe UI', sans-serif;
    
    /* Bordes */
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 18px;
    --radius-xl: 24px;
    
    /* Transiciones */
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

body {
    font-family: var(--font-primary);
    color: var(--text-primary);
    background: var(--bg-secondary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ============================================
   HEADER INSTITUCIONAL
   ============================================ */
.institutional-header {
    background: var(--bg-gradient);
    box-shadow: var(--shadow-md);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: var(--spacing-md) 0;
}

.header-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.header-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    text-decoration: none;
    color: var(--text-light);
    transition: transform var(--transition-base);
}

.header-brand:hover {
    transform: translateY(-2px);
}

.header-logo {
    width: 70px;
    height: 70px;
    background: var(--bg-primary);
    border-radius: 50%;
    padding: 8px;
    box-shadow: var(--shadow-md);
    display: flex;
    align-items: center;
    justify-content: center;
}

.header-logo img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.header-title {
    display: flex;
    flex-direction: column;
}

.header-title h1 {
    font-family: var(--font-heading);
    font-size: 1.75rem;
    font-weight: 700;
    margin: 0;
    letter-spacing: -0.5px;
    color: var(--text-light);
}

.header-title .subtitle {
    font-size: 0.875rem;
    opacity: 0.9;
    font-weight: 400;
    margin-top: 2px;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.user-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: rgba(255, 255, 255, 0.15);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(10px);
}

.user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--bg-primary);
    padding: 2px;
    box-shadow: var(--shadow-sm);
}

.user-avatar img {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    object-fit: cover;
}

.user-name {
    font-weight: 600;
    color: var(--text-light);
    font-size: 0.95rem;
}

.header-nav {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.nav-link {
    color: var(--text-light);
    text-decoration: none;
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-md);
    font-weight: 500;
    font-size: 0.95rem;
    transition: all var(--transition-base);
    position: relative;
    display: flex;
    align-items: center;
    gap: 6px;
}

.nav-link:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-1px);
}

.nav-link.active {
    background: rgba(255, 255, 255, 0.25);
}

.btn-header {
    background: var(--bg-primary);
    color: var(--primary-color);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-md);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-sm);
    border: none;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.btn-header:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    background: var(--accent-color);
    color: var(--text-primary);
}

.btn-header-secondary {
    background: transparent;
    color: var(--text-light);
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.btn-header-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.5);
}

/* ============================================
   CONTENEDOR PRINCIPAL
   ============================================ */
.main-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--spacing-xl) var(--spacing-lg);
    min-height: calc(100vh - 200px);
}

/* ============================================
   CARDS Y TARJETAS
   ============================================ */
.card {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    transition: all var(--transition-base);
    border: 1px solid rgba(0, 0, 0, 0.05);
}

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

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-md);
    border-bottom: 2px solid var(--bg-light);
}

.card-title {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin: 0;
}

.card-body {
    color: var(--text-secondary);
}

/* ============================================
   FORMULARIOS PROFESIONALES
   ============================================ */
.form-container {
    max-width: 500px;
    margin: var(--spacing-xl) auto;
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    padding: var(--spacing-xl);
    position: relative;
    overflow: hidden;
}

.form-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: var(--bg-gradient);
}

.form-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.form-logo {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-md);
    background: var(--bg-gradient);
    border-radius: 50%;
    padding: 12px;
    box-shadow: var(--shadow-md);
    display: flex;
    align-items: center;
    justify-content: center;
}

.form-logo img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.form-title {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: var(--spacing-xs);
}

.form-subtitle {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.form-group {
    margin-bottom: var(--spacing-md);
    position: relative;
}

.form-label {
    display: block;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
    font-size: 0.9rem;
}

.form-input-wrapper {
    position: relative;
}

.form-input {
    width: 100%;
    padding: var(--spacing-md);
    padding-left: 45px;
    border: 2px solid var(--bg-light);
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-family: var(--font-primary);
    transition: all var(--transition-base);
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.form-input:focus {
    outline: none;
    border-color: var(--primary-color);
    background: var(--bg-primary);
    box-shadow: 0 0 0 3px rgba(26, 95, 46, 0.1);
}

.form-input::placeholder {
    color: var(--text-secondary);
}

.form-icon {
    position: absolute;
    left: var(--spacing-md);
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-secondary);
    width: 20px;
    height: 20px;
    pointer-events: none;
}

.btn-primary {
    width: 100%;
    padding: var(--spacing-md);
    background: var(--bg-gradient);
    color: var(--text-light);
    border: none;
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-md);
    margin-top: var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    opacity: 0.95;
}

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

.btn-secondary {
    background: var(--bg-secondary);
    color: var(--text-primary);
    border: 2px solid var(--bg-light);
}

.btn-secondary:hover {
    background: var(--bg-light);
    border-color: var(--text-secondary);
}

/* ============================================
   MENSAJES Y ALERTAS
   ============================================ */
.alert {
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-weight: 500;
    animation: slideIn 0.3s ease;
}

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

.alert-error {
    background: #fee;
    color: #c33;
    border-left: 4px solid #c33;
}

.alert-success {
    background: #efe;
    color: #2a7;
    border-left: 4px solid #2a7;
}

.alert-info {
    background: #eef;
    color: #25a;
    border-left: 4px solid #25a;
}

/* ============================================
   TABLAS PROFESIONALES
   ============================================ */
.data-table {
    width: 100%;
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    border-collapse: collapse;
}

.data-table thead {
    background: var(--bg-gradient);
    color: var(--text-light);
}

.data-table th {
    padding: var(--spacing-md);
    text-align: left;
    font-weight: 600;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.data-table td {
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--bg-light);
    color: var(--text-secondary);
}

.data-table tbody tr {
    transition: background var(--transition-fast);
}

.data-table tbody tr:hover {
    background: var(--bg-light);
}

.data-table tbody tr:last-child td {
    border-bottom: none;
}

/* ============================================
   BADGES Y ETIQUETAS
   ============================================ */
.badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: var(--radius-lg);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge-primary {
    background: var(--primary-color);
    color: var(--text-light);
}

.badge-success {
    background: #2a7;
    color: var(--text-light);
}

.badge-warning {
    background: var(--accent-color);
    color: var(--text-primary);
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero-section {
    background: var(--bg-gradient);
    color: var(--text-light);
    padding: var(--spacing-xl) 0;
    margin-bottom: var(--spacing-xl);
    border-radius: 0 0 var(--radius-xl) var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

.hero-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    text-align: center;
}

.hero-title {
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.hero-subtitle {
    font-size: 1.25rem;
    opacity: 0.95;
    margin-bottom: var(--spacing-lg);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* ============================================
   GRID SYSTEM
   ============================================ */
.grid {
    display: grid;
    gap: var(--spacing-lg);
}

.grid-2 {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-3 {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.grid-4 {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

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

.text-primary {
    color: var(--primary-color);
}

.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }
.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 768px) {
    .header-container {
        flex-direction: column;
        text-align: center;
    }
    
    .header-title h1 {
        font-size: 1.5rem;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .form-container {
        margin: var(--spacing-md);
        padding: var(--spacing-lg);
    }
    
    .main-container {
        padding: var(--spacing-md);
    }
}

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

.fade-in {
    animation: fadeIn 0.5s ease;
}

/* ============================================
   LOADING STATES
   ============================================ */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: var(--text-light);
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ============================================
   FOOTER INSTITUCIONAL
   ============================================ */
.institutional-footer {
    background: var(--bg-gradient);
    color: var(--text-light);
    padding: var(--spacing-xl) 0;
    margin-top: var(--spacing-xl);
    box-shadow: 0 -4px 16px rgba(0, 0, 0, 0.15);
    border-top: 4px solid rgba(255, 255, 255, 0.25);
    position: relative;
    overflow: hidden;
}

.institutional-footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, 
        transparent 0%, 
        rgba(255, 255, 255, 0.3) 50%, 
        transparent 100%);
}

.footer-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    position: relative;
    z-index: 1;
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    text-align: center;
}

.footer-icon {
    width: 60px;
    height: 60px;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-xs);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.2);
    transition: all var(--transition-base);
}

.footer-icon:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
    background: rgba(255, 255, 255, 0.2);
}

.footer-icon i {
    font-size: 1.75rem;
    color: var(--text-light);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.footer-text-wrapper {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    align-items: center;
}

.footer-text {
    font-size: 1rem;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.95);
    font-weight: 500;
    margin: 0;
    font-family: var(--font-primary);
    letter-spacing: 0.3px;
}

.footer-text strong {
    font-weight: 700;
    color: var(--text-light);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    font-family: var(--font-heading);
    letter-spacing: 0.5px;
    position: relative;
    padding: 0 4px;
}

.footer-text strong::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    right: 0;
    height: 2px;
    background: rgba(255, 255, 255, 0.5);
    border-radius: 2px;
}

.footer-wishes {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-light);
    text-shadow: 0 2px 6px rgba(0, 0, 0, 0.25);
    margin: 0;
    font-family: var(--font-heading);
    letter-spacing: 0.5px;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    animation: pulse 2s ease-in-out infinite;
}

.footer-wishes i {
    color: #ffc107;
    text-shadow: 0 2px 4px rgba(255, 193, 7, 0.4);
    animation: heartbeat 1.5s ease-in-out infinite;
}

.footer-wishes i:first-child {
    animation-delay: 0s;
}

.footer-wishes i:last-child {
    animation-delay: 0.3s;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.9;
        transform: scale(1.02);
    }
}

@keyframes heartbeat {
    0%, 100% {
        transform: scale(1);
    }
    25% {
        transform: scale(1.2);
    }
    50% {
        transform: scale(1);
    }
    75% {
        transform: scale(1.1);
    }
}

@media (max-width: 768px) {
    .institutional-footer {
        padding: var(--spacing-lg) 0;
        border-top-width: 3px;
    }
    
    .footer-icon {
        width: 50px;
        height: 50px;
        margin-bottom: 0;
    }
    
    .footer-icon i {
        font-size: 1.5rem;
    }
    
    .footer-text {
        font-size: 0.9rem;
        line-height: 1.5;
    }
    
    .footer-wishes {
        font-size: 1rem;
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .footer-content {
        gap: var(--spacing-sm);
    }
}

@media (max-width: 480px) {
    .footer-text {
        font-size: 0.85rem;
    }
    
    .footer-wishes {
        font-size: 0.9rem;
    }
    
    .footer-icon {
        width: 45px;
        height: 45px;
    }
    
    .footer-icon i {
        font-size: 1.25rem;
    }
}