/* Variables CSS */
:root {
    --primary-color: #0d6efd;
    --secondary-color: #6c757d;
    --success-color: #198754;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --info-color: #0dcaf0;
    --dark-color: #212529;
    --light-color: #f8f9fa;
}

/* Estilos Globales */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="%23ffffff" fill-opacity="0.1" d="M0,96L48,112C96,128,192,160,288,160C384,160,480,128,576,112C672,96,768,96,864,112C960,128,1056,160,1152,160C1248,160,1344,128,1392,112L1440,96L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>') no-repeat bottom;
    background-size: cover;
}

/* Discipline Cards */
.discipline-card {
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    padding: 1.5rem;
    border-radius: 10px;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    cursor: pointer;
}

.discipline-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

/* Feature Icons */
.feature-icon {
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Hover Effects */
.hover-lift {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.hover-lift:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.15) !important;
}

/* Login Page Styles */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.login-card {
    border-radius: 15px;
    overflow: hidden;
}

.login-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 2rem;
    text-align: center;
}

/* Dashboard Styles */
.dashboard-card {
    border-radius: 10px;
    transition: transform 0.3s ease;
}

.dashboard-card:hover {
    transform: translateY(-5px);
}

.stat-card {
    background: linear-gradient(135deg, var(--card-color-1, #667eea) 0%, var(--card-color-2, #764ba2) 100%);
    color: white;
    border-radius: 10px;
    padding: 1.5rem;
}

/* Table Styles */
.table-custom {
    background: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.table-custom thead {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

/* Button Styles */
.btn-gradient-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border: none;
    color: white;
    transition: transform 0.3s ease;
}

.btn-gradient-primary:hover {
    transform: scale(1.05);
    color: white;
}

/* Modal Styles */
.modal-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

/* Sidebar Styles */
.sidebar {
    min-height: 100vh;
    background: linear-gradient(180deg, #2c3e50 0%, #34495e 100%);
    color: white;
}

.sidebar .nav-link {
    color: rgba(255,255,255,0.8);
    padding: 1rem 1.5rem;
    transition: all 0.3s ease;
    border-left: 3px solid transparent;
}

.sidebar .nav-link:hover,
.sidebar .nav-link.active {
    color: white;
    background: rgba(255,255,255,0.1);
    border-left-color: #667eea;
}

.sidebar .nav-link i {
    margin-right: 0.5rem;
    width: 20px;
}

/* Schedule Table */
.schedule-table {
    background: white;
    border-radius: 10px;
    overflow: hidden;
}

.schedule-table th {
    background: #f8f9fa;
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 0.5px;
}

.schedule-item {
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    padding: 0.75rem;
    border-radius: 5px;
    margin-bottom: 0.5rem;
    transition: transform 0.2s ease;
}

.schedule-item:hover {
    transform: translateX(5px);
}

/* Badge Styles */
.badge-custom {
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-weight: 500;
}

/* Alert Styles */
.alert-custom {
    border-radius: 10px;
    border: none;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

/* Form Styles */
.form-control:focus,
.form-select:focus {
    border-color: #667eea;
    box-shadow: 0 0 0 0.2rem rgba(102, 126, 234, 0.25);
}

/* Loading Spinner */
.spinner-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

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

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

/* Responsive */
@media (max-width: 768px) {
    .hero-section {
        min-height: auto;
        padding: 3rem 0;
    }
    
    .sidebar {
        min-height: auto;
    }
    
    .feature-icon {
        width: 60px;
        height: 60px;
    }
}

/* Print Styles */
@media print {
    .no-print {
        display: none !important;
    }
}