/**
 * LAYOUTS
 * Estructura de páginas, headers, sidebars, etc.
 */

/* ========================================
   ADMIN LAYOUT
   ======================================== */

.admin-wrapper {
    display: flex;
    min-height: 100vh;
    background: var(--bg-secondary);
}

.admin-sidebar {
    width: 240px;
    background: var(--bg-primary);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
    z-index: var(--z-fixed);
    overflow-y: auto;
    transition: transform var(--transition-smooth);
}

.admin-sidebar-header {
    height: 60px;
    display: flex;
    align-items: center;
    padding: 0 var(--space-5);
    border-bottom: 1px solid var(--border-color);
    flex-shrink: 0;
}

.admin-sidebar-header h1 {
    margin: 0;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
}

.admin-sidebar-header a {
    color: var(--text-primary);
    text-decoration: none;
}

.admin-sidebar-nav {
    flex: 1;
    padding: var(--space-4);
}

.admin-nav-section {
    margin-bottom: var(--space-6);
}

.admin-nav-section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-2) var(--space-3);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-tertiary);
    cursor: pointer;
    user-select: none;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.admin-nav-section-header:hover {
    background: var(--bg-secondary);
    color: var(--text-secondary);
}

.admin-nav-section-toggle {
    font-size: 0.75rem;
    transition: transform var(--transition-fast);
}

.admin-nav-section.collapsed .admin-nav-section-toggle {
    transform: rotate(-90deg);
}

.admin-nav-section-content {
    max-height: 1000px;
    overflow: hidden;
    opacity: 1;
    transition: max-height var(--transition-smooth), opacity var(--transition-smooth);
}

.admin-nav-section.collapsed .admin-nav-section-content {
    max-height: 0 !important;
    opacity: 0 !important;
    margin-top: 0;
}

.admin-nav-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-3);
    margin: var(--space-1) 0;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    background: transparent;
    border: none;
    border-radius: var(--radius-md);
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    position: relative;
}

.admin-nav-item:hover {
    background: var(--bg-secondary);
    color: var(--accent-primary);
    transform: translateX(2px);
}

.admin-nav-item.active {
    background: var(--accent-light);
    color: var(--accent-primary);
    font-weight: 600;
}

.admin-nav-item i {
    width: 18px;
    font-size: 16px;
    text-align: center;
    flex-shrink: 0;
}

.admin-nav-item > span:first-of-type {
    flex: 1;
}

.admin-nav-item .badge {
    margin-left: auto;
    padding: 2px 6px;
    font-size: 0.65rem;
    font-weight: 700;
    border-radius: var(--radius-full);
    min-width: 20px;
    text-align: center;
}

.admin-main {
    flex: 1;
    margin-left: 240px;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.admin-header {
    height: 60px;
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--space-6);
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);
}

.admin-header-left {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

.admin-header-right {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

.admin-user-menu {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-2) var(--space-3);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.admin-user-menu:hover {
    border-color: var(--border-hover);
    box-shadow: var(--shadow-sm);
}

.admin-user-avatar {
    width: 32px;
    height: 32px;
    background: var(--accent-light);
    color: var(--accent-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.875rem;
}

.admin-content {
    flex: 1;
    padding: var(--space-6);
}

/* ========================================
   CLIENTE LAYOUT
   ======================================== */

.client-wrapper {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.client-header {
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);
}

.client-header-inner {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--space-6);
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-6);
}

.client-logo h1 {
    margin: 0;
    font-size: 1.25rem;
    font-weight: 700;
}

.client-logo a {
    color: var(--text-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.client-logo a:hover {
    color: var(--accent-primary);
}

.client-nav {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

.client-nav ul {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    list-style: none;
    margin: 0;
    padding: 0;
}

.client-nav a {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-3);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.client-nav a:hover {
    color: var(--accent-primary);
    background: var(--bg-secondary);
}

.client-nav a.active {
    color: var(--accent-primary);
    background: var(--accent-light);
}

.client-header-actions {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.client-main {
    flex: 1;
    padding: var(--space-8) 0;
}

.client-main.full-width {
    padding: 0;
}

.client-main.full-width .container {
    max-width: 100%;
    padding: 0;
}

.client-footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: var(--space-8) 0;
    margin-top: auto;
}

.client-footer.full-width {
    margin-top: 0;
}

.client-footer-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--space-6);
    text-align: center;
}

.client-footer p {
    margin: 0;
    font-size: 0.875rem;
    color: var(--text-tertiary);
}

/* ========================================
   PAGE HEADER
   ======================================== */

.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-6);
    padding-bottom: var(--space-4);
    border-bottom: 1px solid var(--border-color);
}

.page-header h2 {
    margin: 0;
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.page-header-actions {
    display: flex;
    gap: var(--space-3);
}

/* ========================================
   THEME TOGGLE
   ======================================== */

.theme-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.theme-toggle:hover {
    background: var(--bg-tertiary);
    border-color: var(--border-hover);
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

.theme-toggle:active {
    transform: translateY(0);
}

.theme-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    color: var(--text-secondary);
}

[data-theme="light"] .theme-icon-dark {
    display: none;
}

[data-theme="dark"] .theme-icon-light {
    display: none;
}

/* ========================================
   LANG SELECTOR
   ======================================== */

.lang-selector .dropdown-toggle {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-3);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.lang-selector .dropdown-toggle:hover {
    background: var(--bg-tertiary);
    border-color: var(--border-hover);
    box-shadow: var(--shadow-sm);
}

/* ========================================
   MOBILE RESPONSIVE
   ======================================== */

@media (max-width: 1024px) {
    .admin-sidebar {
        transform: translateX(-100%);
    }
    
    .admin-sidebar.open {
        transform: translateX(0);
    }
    
    .admin-main {
        margin-left: 0;
    }
}

@media (max-width: 768px) {
    .client-header-inner {
        padding: 0 var(--space-4);
        height: 56px;
    }
    
    .client-nav {
        display: none;
    }
    
    .client-main {
        padding: var(--space-6) 0;
    }
    
    .page-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-4);
    }
    
    .page-header h2 {
        font-size: 1.5rem;
    }
    
    .admin-content {
        padding: var(--space-4);
    }
}

/* ========================================
   ANIMACIONES SUAVES
   ======================================== */

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* Clases de animación */
.animate-fade {
    animation: fadeIn var(--transition-smooth);
}

.animate-slide-up {
    animation: slideInUp var(--transition-smooth);
}

.animate-slide-left {
    animation: slideInLeft var(--transition-smooth);
}

.animate-slide-right {
    animation: slideInRight var(--transition-smooth);
}

.animate-scale {
    animation: scaleIn var(--transition-smooth);
}

/* Transiciones para interacciones */
.smooth-hover {
    transition: all var(--transition-base);
}

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

.smooth-click {
    transition: transform var(--transition-fast);
}

.smooth-click:active {
    transform: scale(0.98);
}

/* ========================================
   STATS CARDS (para dashboards)
   ======================================== */

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-4);
    margin-bottom: var(--space-6);
}

.stat-card {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--space-5);
    transition: all var(--transition-smooth);
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.stat-card-label {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-tertiary);
    margin-bottom: var(--space-2);
}

.stat-card-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
}

.stat-card-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-3);
    font-size: 1.5rem;
}

.stat-card.primary {
    border-left: 3px solid var(--accent-primary);
}

.stat-card.primary .stat-card-icon {
    background: var(--accent-light);
    color: var(--accent-primary);
}

.stat-card.success {
    border-left: 3px solid var(--success);
}

.stat-card.success .stat-card-icon {
    background: var(--success-light);
    color: var(--success);
}

.stat-card.warning {
    border-left: 3px solid var(--warning);
}

.stat-card.warning .stat-card-icon {
    background: var(--warning-light);
    color: var(--warning);
}

.stat-card.danger {
    border-left: 3px solid var(--danger);
}

.stat-card.danger .stat-card-icon {
    background: var(--danger-light);
    color: var(--danger);
}