/* ==========================================
   COMPONENTES ESPECÍFICOS
   ========================================== */

/* Navegación */
.navbar {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    padding: var(--spacing-md) 0;
    box-shadow: var(--shadow-md);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.navbar-nav {
    display: flex;
    list-style: none;
    gap: var(--spacing-lg);
    align-items: center;
}

.nav-link {
    color: rgba(255, 255, 255, 0.9);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius);
    transition: var(--transition-fast);
}

.nav-link:hover {
    background: rgba(255, 255, 255, 0.1);
    color: white;
}

.nav-link.active {
    background: rgba(255, 255, 255, 0.2);
    color: white;
}

/* Sidebar */
.sidebar {
    width: 250px;
    background: var(--bg-primary);
    border-right: 1px solid var(--border-color);
    height: calc(100vh - 60px);
    position: fixed;
    left: 0;
    top: 60px;
    overflow-y: auto;
    padding: var(--spacing-lg);
}

.sidebar-menu {
    list-style: none;
}

.sidebar-item {
    margin-bottom: var(--spacing-sm);
}

.sidebar-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    color: var(--text-secondary);
    border-radius: var(--border-radius);
    transition: var(--transition-fast);
}

.sidebar-link:hover {
    background: var(--bg-secondary);
    color: var(--primary);
}

.sidebar-link.active {
    background: var(--primary-light);
    color: var(--primary-dark);
    font-weight: 600;
}

/* Main Content */
.main-content {
    margin-left: 250px;
    padding: var(--spacing-xl);
    min-height: calc(100vh - 60px);
}

/* Dashboard Cards */
.stat-card {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-lg);
}

.stat-card.success {
    background: linear-gradient(135deg, var(--success) 0%, #059669 100%);
}

.stat-card.warning {
    background: linear-gradient(135deg, var(--warning) 0%, #d97706 100%);
}

.stat-card.error {
    background: linear-gradient(135deg, var(--error) 0%, #dc2626 100%);
}

.stat-value {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.stat-label {
    font-size: 0.875rem;
    opacity: 0.9;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 2000;
    align-items: center;
    justify-content: center;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--bg-primary);
    border-radius: var(--border-radius-lg);
    max-width: 600px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-xl);
    animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
    from {
        transform: translateY(-50px);
        opacity: 0;
    }

    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.modal-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin: 0;
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-secondary);
    padding: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--border-radius);
    transition: var(--transition-fast);
}

.modal-close:hover {
    background: var(--gray-100);
    color: var(--text-primary);
}

.modal-body {
    padding: var(--spacing-lg);
}

.modal-footer {
    padding: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-md);
}

/* Loader */
.loader {
    border: 4px solid var(--gray-200);
    border-top: 4px solid var(--primary);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
}

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

    100% {
        transform: rotate(360deg);
    }
}

.loader-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.9);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 3000;
}

.loader-overlay.active {
    display: flex;
}

/* Calendar */
.calendar {
    background: var(--bg-primary);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
}

.calendar-header {
    background: var(--primary);
    color: white;
    padding: var(--spacing-lg);
    text-align: center;
    font-weight: 700;
}

.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 1px;
    background: var(--border-color);
}

.calendar-day {
    background: var(--bg-primary);
    padding: var(--spacing-md);
    min-height: 100px;
    border: 1px solid var(--border-color);
}

.calendar-day-header {
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--text-secondary);
}

.calendar-event {
    background: var(--primary-light);
    color: var(--primary-dark);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius-sm);
    font-size: 0.75rem;
    margin-bottom: var(--spacing-xs);
}

/* Progress Bar */
.progress {
    height: 8px;
    background: var(--gray-200);
    border-radius: 9999px;
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--primary) 0%, var(--primary-light) 100%);
    transition: width 0.3s ease;
}

/* Pagination */
.pagination {
    display: flex;
    list-style: none;
    gap: var(--spacing-sm);
    justify-content: center;
    margin-top: var(--spacing-xl);
}

.page-item {
    display: inline-block;
}

.page-link {
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    color: var(--text-primary);
    transition: var(--transition-fast);
}

.page-link:hover {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

.page-item.active .page-link {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: var(--spacing-2xl);
    color: var(--text-secondary);
}

.empty-state-icon {
    font-size: 4rem;
    margin-bottom: var(--spacing-lg);
    opacity: 0.3;
}

.empty-state-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

/* Responsive */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
        transition: transform 0.3s ease;
    }

    .sidebar.active {
        transform: translateX(0);
    }

    .main-content {
        margin-left: 0;
    }
}