/* 
 * Sistema de Cursos UAZ - Estilos Personalizados
 * Colores institucionales de la Universidad Autónoma de Zacatecas
 */

:root {
    --uaz-dorado: #C9A227;
    --uaz-dorado-claro: #D4B144;
    --uaz-dorado-oscuro: #A8861E;
    --uaz-azul-marino: #1A1A2E;
    --uaz-azul-oscuro: #0F0F1A;
    --uaz-gris-claro: #F8F9FA;
    --uaz-gris: #6C757D;
    --uaz-blanco: #FFFFFF;
    --uaz-negro: #0D0D0D;
    --uaz-subtema-fondo: #073b08;
}

/* Reset y estilos base */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--uaz-gris-claro);
    color: var(--uaz-azul-marino);
}

/* Header superior */
.top-header {
    background-color: var(--uaz-azul-marino);
    color: var(--uaz-blanco);
    padding: 8px 0;
    font-size: 0.875rem;
}

.top-header a {
    color: var(--uaz-blanco);
    text-decoration: none;
    transition: color 0.3s;
}

.top-header a:hover {
    color: var(--uaz-dorado);
}

/* Navbar principal */
.navbar-uaz {
    background-color: var(--uaz-dorado) !important;
    padding: 0;
}

.navbar-uaz .navbar-brand {
    padding: 10px 0;
}

.navbar-uaz .nav-link {
    color: var(--uaz-azul-marino) !important;
    font-weight: 500;
    padding: 1rem 1.25rem !important;
    transition: background-color 0.3s, color 0.3s;
}

.navbar-uaz .nav-link:hover,
.navbar-uaz .nav-link.active {
    background-color: var(--uaz-dorado-oscuro);
    color: var(--uaz-blanco) !important;
}

.navbar-uaz .dropdown-menu {
    border: none;
    border-radius: 0;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.navbar-uaz .dropdown-item:hover {
    background-color: var(--uaz-dorado);
    color: var(--uaz-azul-marino);
}

/* Sidebar */
.sidebar {
    background-color: var(--uaz-azul-marino);
    min-height: calc(100vh - 120px);
    padding-top: 1.5rem;
}

.sidebar .nav-link {
    color: rgba(255, 255, 255, 0.8);
    padding: 0.75rem 1.25rem;
    border-radius: 0;
    margin-bottom: 2px;
    transition: all 0.3s;
}

.sidebar .nav-link:hover {
    background-color: rgba(201, 162, 39, 0.2);
    color: var(--uaz-dorado);
}

.sidebar .nav-link.active {
    background-color: var(--uaz-dorado);
    color: var(--uaz-azul-marino);
    font-weight: 600;
}

.sidebar .nav-link i {
    margin-right: 10px;
    width: 20px;
    text-align: center;
}

.sidebar-header {
    color: var(--uaz-dorado);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: 0.75rem 1.25rem;
    margin-top: 1rem;
}

/* Botones */
.btn-uaz-primary {
    background-color: var(--uaz-dorado);
    border-color: var(--uaz-dorado);
    color: var(--uaz-azul-marino);
    font-weight: 600;
}

.btn-uaz-primary:hover {
    background-color: var(--uaz-dorado-oscuro);
    border-color: var(--uaz-dorado-oscuro);
    color: var(--uaz-blanco);
}

.btn-uaz-secondary {
    background-color: var(--uaz-azul-marino);
    border-color: var(--uaz-azul-marino);
    color: var(--uaz-blanco);
}

.btn-uaz-secondary:hover {
    background-color: var(--uaz-azul-oscuro);
    border-color: var(--uaz-azul-oscuro);
    color: var(--uaz-dorado);
}

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

.btn-uaz-outline:hover {
    background-color: var(--uaz-dorado);
    color: var(--uaz-azul-marino);
}

/* Cards */
.card-uaz {
    border: none;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s, box-shadow 0.3s;
}

.card-uaz:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
}

.card-uaz .card-header {
    background-color: var(--uaz-dorado);
    color: var(--uaz-azul-marino);
    font-weight: 600;
    border-bottom: none;
}

/* Stats cards */
.stat-card {
    border-left: 4px solid var(--uaz-dorado);
    background: linear-gradient(135deg, var(--uaz-blanco) 0%, var(--uaz-gris-claro) 100%);
}

.stat-card .stat-icon {
    width: 60px;
    height: 60px;
    background-color: rgba(201, 162, 39, 0.15);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--uaz-dorado);
    font-size: 1.5rem;
}

.stat-card .stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--uaz-azul-marino);
}

.stat-card .stat-label {
    color: var(--uaz-gris);
    font-size: 0.875rem;
}

/* Formularios */
.form-control:focus {
    border-color: var(--uaz-dorado);
    box-shadow: 0 0 0 0.2rem rgba(201, 162, 39, 0.25);
}

.form-label {
    font-weight: 500;
    color: var(--uaz-azul-marino);
}

/* Login/Registro */
.auth-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--uaz-azul-marino) 0%, var(--uaz-azul-oscuro) 100%);
}

.auth-card {
    background-color: var(--uaz-blanco);
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    overflow: hidden;
    max-width: 450px;
    width: 100%;
}

.auth-header {
    background-color: var(--uaz-dorado);
    color: var(--uaz-azul-marino);
    padding: 2rem;
    text-align: center;
}

.auth-header h2 {
    margin: 0;
    font-weight: 700;
}

.auth-body {
    padding: 2rem;
}

/* Hero section */
.hero-section {
    background: linear-gradient(rgba(26, 26, 46, 0.85), rgba(26, 26, 46, 0.85)),
                url("/static/images/hero-bg.d41d8cd98f00.jpg") center/cover no-repeat;
    min-height: 500px;
    display: flex;
    align-items: center;
    color: var(--uaz-blanco);
}

.hero-section h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
}

.hero-section .lead {
    font-size: 1.25rem;
    opacity: 0.9;
    margin-bottom: 2rem;
}

/* Course cards */
.course-card {
    border: none;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
    transition: all 0.3s;
}

.course-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.course-card .card-img-top {
    height: 180px;
    object-fit: cover;
}

.course-card .badge-modalidad {
    position: absolute;
    top: 10px;
    right: 10px;
}

.course-card .instructor-info {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid #eee;
}

.course-card .instructor-avatar {
    width: 35px;
    height: 35px;
    border-radius: 50%;
    background-color: var(--uaz-dorado);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--uaz-azul-marino);
    font-weight: 600;
    font-size: 0.875rem;
}

/* Progress bar */
.progress-uaz {
    height: 8px;
    border-radius: 4px;
    background-color: #e9ecef;
}

.progress-uaz .progress-bar {
    background-color: var(--uaz-dorado);
    border-radius: 4px;
}

/* Badges */
.badge-uaz {
    background-color: var(--uaz-dorado);
    color: var(--uaz-azul-marino);
    font-weight: 600;
    padding: 0.5em 1em;
}

.badge-subtema {
    background-color: var(--uaz-subtema-fondo);
    color: var(--uaz-subtema-fondo);
    font-weight: 600;
    padding: 0.5em 1em;
}

.badge-pendiente {
    background-color: #ffc107;
    color: #212529;
}

.badge-aprobado {
    background-color: #28a745;
    color: white;
}

.badge-rechazado {
    background-color: #dc3545;
    color: white;
}

.badge-inscrito {
    background-color: #17a2b8;
    color: white;
}

.badge-completado {
    background-color: #28a745;
    color: white;
}

/* Tables */
.table-uaz thead {
    background-color: var(--uaz-azul-marino);
    color: var(--uaz-blanco);
}

.table-uaz th {
    font-weight: 600;
    border: none;
}

/* Footer */
.footer-uaz {
    background-color: var(--uaz-azul-marino);
    color: rgba(255, 255, 255, 0.8);
    padding: 3rem 0 1.5rem;
}

.footer-uaz h5 {
    color: var(--uaz-dorado);
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.footer-uaz a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color 0.3s;
}

.footer-uaz a:hover {
    color: var(--uaz-dorado);
}

.footer-uaz .social-links a {
    width: 40px;
    height: 40px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-right: 10px;
    transition: all 0.3s;
}

.footer-uaz .social-links a:hover {
    background-color: var(--uaz-dorado);
    border-color: var(--uaz-dorado);
    color: var(--uaz-azul-marino);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 1.5rem;
    margin-top: 2rem;
}

/* Alerts */
.alert-uaz {
    border-left: 4px solid var(--uaz-dorado);
    background-color: rgba(201, 162, 39, 0.1);
    color: var(--uaz-azul-marino);
}

/* Empty state */
.empty-state {
    text-align: center;
    padding: 3rem;
    color: var(--uaz-gris);
}

.empty-state i {
    font-size: 4rem;
    color: #dee2e6;
    margin-bottom: 1rem;
}

/* Page header */
.page-header {
    background-color: var(--uaz-blanco);
    padding: 1.5rem 0;
    margin-bottom: 2rem;
    border-bottom: 1px solid #e9ecef;
}

.page-header h1 {
    color: var(--uaz-azul-marino);
    font-weight: 700;
    margin: 0;
}

.breadcrumb-uaz {
    background: none;
    padding: 0;
    margin: 0;
}

.breadcrumb-uaz .breadcrumb-item a {
    color: var(--uaz-dorado);
}

/* Responsive */
@media (max-width: 991.98px) {
    .sidebar {
        min-height: auto;
        margin-bottom: 1rem;
    }
    
    .hero-section h1 {
        font-size: 2rem;
    }
}

@media (max-width: 767.98px) {
    .auth-card {
        margin: 1rem;
    }
    
    .stat-card .stat-number {
        font-size: 1.5rem;
    }
}

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

.animate-fadeInUp {
    animation: fadeInUp 0.5s ease-out;
}

/* Constancia card */
.constancia-card {
    border: 2px solid var(--uaz-dorado);
    border-radius: 12px;
    background: linear-gradient(135deg, #fff 0%, #fefbf3 100%);
}

.constancia-card .folio {
    font-family: 'Courier New', monospace;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--uaz-azul-marino);
}

/* Admin specific */
.admin-action-btn {
    padding: 0.25rem 0.75rem;
    font-size: 0.875rem;
}