/**
 * Estilos personalizados del Sistema de Diplomados
 * Este archivo DEBE incluirse DESPUÉS de Tailwind CSS
 */

/* Animaciones suaves */
.fade-in {
    animation: fadeIn 0.3s ease-in-out;
}

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

/* Estilo para videos - prevenir selección de texto y arrastre */
.video-container {
    user-select: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    -webkit-touch-callout: none;
}

.video-container video {
    pointer-events: auto;
}

/* Estilo para el scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f5f9;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb {
    background: #94a3b8;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #64748b;
}

/* Loader spinner */
.spinner {
    border: 3px solid #f3f3f3;
    border-top: 3px solid #3b82f6;
    border-radius: 50%;
    width: 24px;
    height: 24px;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Cards con hover effect */
.card-hover {
    transition: all 0.3s ease;
}

.card-hover:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 24px -8px rgba(0, 0, 0, 0.15);
}

/* Status badges */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.625rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 500;
}

.badge-active {
    background-color: #dcfce7;
    color: #166534;
}

.badge-inactive {
    background-color: #f3f4f6;
    color: #374151;
}

.badge-finished {
    background-color: #fee2e2;
    color: #991b1b;
}

.badge-pending {
    background-color: #fef3c7;
    color: #92400e;
}

/* Sidebar styles */
.sidebar-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    color: #4b5563;
    border-radius: 0.5rem;
    transition: all 0.2s ease;
}

.sidebar-link:hover {
    background-color: #eff6ff;
    color: #1d4ed8;
}

.sidebar-link.active {
    background-color: #dbeafe;
    color: #1d4ed8;
    font-weight: 500;
}

/* Form styles */
.form-input {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid #d1d5db;
    border-radius: 0.5rem;
    transition: all 0.2s;
}

.form-input:focus {
    outline: none;
    ring: 2px;
    border-color: #3b82f6;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.form-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: #374151;
    margin-bottom: 0.25rem;
}

.form-error {
    font-size: 0.875rem;
    color: #dc2626;
    margin-top: 0.25rem;
}

/* Button styles */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    font-weight: 500;
    transition: all 0.2s ease;
    cursor: pointer;
    border: none;
    font-size: 0.875rem;
}

.btn:focus {
    outline: none;
    ring: 2px;
    ring-offset: 2px;
}

.btn-primary {
    background-color: #2563eb;
    color: white;
}

.btn-primary:hover {
    background-color: #1d4ed8;
}

.btn-primary:focus {
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.5);
}

.btn-secondary {
    background-color: #e5e7eb;
    color: #374151;
}

.btn-secondary:hover {
    background-color: #d1d5db;
}

.btn-danger {
    background-color: #dc2626;
    color: white;
}

.btn-danger:hover {
    background-color: #b91c1c;
}

.btn-success {
    background-color: #16a34a;
    color: white;
}

.btn-success:hover {
    background-color: #15803d;
}

/* Table styles */
.table-container {
    overflow-x: auto;
    border-radius: 0.5rem;
    border: 1px solid #e5e7eb;
}

.table {
    width: 100%;
    min-width: 100%;
    border-collapse: collapse;
}

.table th {
    padding: 0.75rem 1.5rem;
    background-color: #f9fafb;
    text-align: left;
    font-size: 0.75rem;
    font-weight: 500;
    color: #6b7280;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.table td {
    padding: 1rem 1.5rem;
    font-size: 0.875rem;
    color: #111827;
}

.table tbody tr {
    background-color: white;
    transition: background-color 0.2s;
}

.table tbody tr:hover {
    background-color: #f9fafb;
}

/* Modal styles */
.modal-overlay {
    position: fixed;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 50;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background-color: white;
    border-radius: 0.75rem;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    max-width: 32rem;
    width: 100%;
    margin: 1rem;
    max-height: 90vh;
    overflow-y: auto;
}

/* Alerts */
.alert {
    padding: 1rem;
    border-radius: 0.5rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
}

.alert-success {
    background-color: #dcfce7;
    border: 1px solid #86efac;
    color: #166534;
}

.alert-error {
    background-color: #fee2e2;
    border: 1px solid #fca5a5;
    color: #991b1b;
}

.alert-warning {
    background-color: #fef3c7;
    border: 1px solid #fcd34d;
    color: #92400e;
}

.alert-info {
    background-color: #dbeafe;
    border: 1px solid #93c5fd;
    color: #1e40af;
}

/* Progress bar */
.progress-bar {
    height: 0.5rem;
    background-color: #e5e7eb;
    border-radius: 9999px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background-color: #2563eb;
    border-radius: 9999px;
    transition: all 0.3s ease;
}

/* Avatar styles */
.avatar {
    border-radius: 9999%;
    object-fit: cover;
    background-color: #e5e7eb;
}

.avatar-sm {
    width: 2rem;
    height: 2rem;
}

.avatar-md {
    width: 2.5rem;
    height: 2.5rem;
}

.avatar-lg {
    width: 3rem;
    height: 3rem;
}

.avatar-xl {
    width: 4rem;
    height: 4rem;
}

/* Dropdown menu */
.dropdown {
    position: relative;
    display: inline-block;
}

.dropdown-menu {
    position: absolute;
    right: 0;
    margin-top: 0.5rem;
    width: 12rem;
    background-color: white;
    border-radius: 0.5rem;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    border: 1px solid #e5e7eb;
    padding: 0.25rem 0;
    z-index: 50;
}

.dropdown-item {
    display: block;
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    color: #374151;
    width: 100%;
    text-align: left;
    background: none;
    border: none;
    cursor: pointer;
}

.dropdown-item:hover {
    background-color: #f3f4f6;
}

/* Page loading state */
.page-loading {
    position: fixed;
    inset: 0;
    background-color: white;
    z-index: 50;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Empty state */
.empty-state {
    text-align: center;
    padding: 3rem 1rem;
}

.empty-state-icon {
    margin: 0 auto;
    height: 3rem;
    width: 3rem;
    color: #9ca3af;
}

.empty-state-title {
    margin-top: 0.5rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: #111827;
}

.empty-state-description {
    margin-top: 0.25rem;
    font-size: 0.875rem;
    color: #6b7280;
}

/* Line clamp utility */
.line-clamp-1 {
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.line-clamp-2 {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.line-clamp-3 {
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Hide scrollbar */
.hidden {
    display: none;
}