@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&family=Inter:wght@400;500;600;700&display=swap');

*, *::before, *::after {
    box-sizing: border-box;
}

:root {
    /* Fonts */
    --font-heading: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
    --font-sans: 'Inter', system-ui, -apple-system, sans-serif;

    /* Color Palette - Institutional Modern */
    --primary: #1d4ed8;
    --primary-hover: #1e40af;
    --primary-light: #eff6ff;
    --primary-glow: rgba(29, 78, 216, 0.25);
    --secondary: #475569;
    --secondary-hover: #334155;
    --success: #059669;
    --success-hover: #047857;
    --success-light: #ecfdf5;
    --danger: #e11d48;
    --danger-hover: #be123c;
    --danger-light: #fff1f2;
    --warning: #d97706;
    --warning-hover: #b45309;
    --warning-light: #fffbeb;
    --info: #0284c7;
    --info-light: #f0f9ff;

    /* Neutral Colors - Light Mode */
    --bg-body: #f8fafc;
    --bg-main: var(--bg-body);
    --bg-card: #ffffff;
    --bg-card-subtle: #f1f5f9;
    --bg-card-muted: #e2e8f0;
    --bg-sidebar: #0f172a;
    --bg-sidebar-hover: rgba(255, 255, 255, 0.07);
    --text-main: #0f172a;
    --text-muted: #64748b;
    --text-subtle: #94a3b8;
    --border-color: #e2e8f0;
    --bg-hover: #f1f5f9;
    --topbar-bg: rgba(255, 255, 255, 0.85);

    /* Modals */
    --modal-backdrop: rgba(15, 23, 42, 0.6);
    --modal-bg: var(--bg-card);
    --modal-border: var(--border-color);

    /* Inputs & Form Controls */
    --input-bg: var(--bg-card);
    --input-bg-disabled: #f1f5f9;
    --input-text-disabled: #64748b;
    --input-border: var(--border-color);

    /* Badges & Status */
    --badge-primary-bg: #eff6ff;
    --badge-primary-text: #1d4ed8;
    --badge-secondary-bg: #f1f5f9;
    --badge-secondary-text: #475569;
    --badge-success-bg: #d1fae5;
    --badge-success-text: #065f46;
    --badge-danger-bg: #fee2e2;
    --badge-danger-text: #991b1b;
    --badge-warning-bg: #fef3c7;
    --badge-warning-text: #92400e;
    --badge-info-bg: #e0f2fe;
    --badge-info-text: #075985;

    /* Shadows & Effects */
    --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.04);
    --shadow-sm: 0 2px 4px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 6px 12px -2px rgba(0, 0, 0, 0.07), 0 3px 6px -2px rgba(0, 0, 0, 0.04);
    --shadow-lg: 0 14px 24px -4px rgba(0, 0, 0, 0.08), 0 6px 12px -3px rgba(0, 0, 0, 0.04);
    --shadow-xl: 0 20px 32px -6px rgba(0, 0, 0, 0.12);
    --glass-bg: rgba(255, 255, 255, 0.85);
    --glass-blur: blur(14px);

    /* Borders */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;
    --radius-xl: 20px;
    --radius-full: 9999px;
}

[data-theme="dark"] {
    --bg-body: #090d16;
    --bg-main: var(--bg-body);
    --bg-card: #111827;
    --bg-card-subtle: #172033;
    --bg-card-muted: #1f293d;
    --bg-sidebar: #050811;
    --bg-sidebar-hover: rgba(255, 255, 255, 0.08);
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --text-subtle: #64748b;
    --border-color: #1f293d;
    --bg-hover: #172033;
    --topbar-bg: rgba(17, 24, 39, 0.85);
    --glass-bg: rgba(17, 24, 39, 0.85);
    --primary-light: rgba(29, 78, 216, 0.18);
    --primary-glow: rgba(59, 130, 246, 0.35);

    /* Modals Dark */
    --modal-backdrop: rgba(0, 0, 0, 0.75);
    --modal-bg: #111827;
    --modal-border: #1f293d;

    /* Inputs Dark */
    --input-bg: rgba(255, 255, 255, 0.04);
    --input-bg-disabled: #172033;
    --input-text-disabled: #64748b;
    --input-border: #1f293d;

    /* Badges Dark */
    --badge-primary-bg: rgba(29, 78, 216, 0.25);
    --badge-primary-text: #60a5fa;
    --badge-secondary-bg: rgba(255, 255, 255, 0.08);
    --badge-secondary-text: #cbd5e1;
    --badge-success-bg: rgba(5, 150, 105, 0.2);
    --badge-success-text: #34d399;
    --badge-danger-bg: rgba(225, 29, 72, 0.2);
    --badge-danger-text: #fb7185;
    --badge-warning-bg: rgba(217, 119, 6, 0.2);
    --badge-warning-text: #fbbf24;
    --badge-info-bg: rgba(2, 132, 199, 0.2);
    --badge-info-text: #38bdf8;
    
    /* Dark specific adjustments */
    --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.4);
    --shadow-sm: 0 2px 4px 0 rgba(0, 0, 0, 0.5);
    --shadow-md: 0 6px 14px -2px rgba(0, 0, 0, 0.6);
    --shadow-lg: 0 16px 28px -4px rgba(0, 0, 0, 0.7);
    --shadow-xl: 0 24px 38px -6px rgba(0, 0, 0, 0.8);
}

/* Salvaguarda global para forzar modo oscuro en contenedores, modales, tablas y controles */
[data-theme="dark"] .card,
[data-theme="dark"] .stat-card,
[data-theme="dark"] .table-container,
[data-theme="dark"] .modal-content,
[data-theme="dark"] .modal-card,
[data-theme="dark"] .modal-content-card,
[data-theme="dark"] .dropdown-menu {
    background: var(--bg-card) !important;
    background-color: var(--bg-card) !important;
    border-color: var(--border-color) !important;
    color: var(--text-main) !important;
}

[data-theme="dark"] .template-download-box,
[data-theme="dark"] .read-only-field,
[data-theme="dark"] input:disabled,
[data-theme="dark"] select:disabled,
[data-theme="dark"] textarea:disabled,
[data-theme="dark"] input[readonly],
[data-theme="dark"] select[readonly],
[data-theme="dark"] textarea[readonly] {
    background: var(--input-bg-disabled) !important;
    background-color: var(--input-bg-disabled) !important;
    border-color: var(--border-color) !important;
    color: var(--input-text-disabled) !important;
}

[data-theme="dark"] input[type="file"] {
    background: var(--bg-body) !important;
    color: var(--text-main) !important;
    border-color: var(--border-color) !important;
}

[data-theme="dark"] table,
[data-theme="dark"] tr,
[data-theme="dark"] td,
[data-theme="dark"] th {
    border-color: var(--border-color) !important;
}

[data-theme="dark"] label,
[data-theme="dark"] .form-label {
    color: var(--text-main) !important;
}

/* Base Reset & Typography */
body {
    font-family: var(--font-sans);
    background-color: var(--bg-body);
    color: var(--text-main);
    margin: 0;
    padding: 0;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    letter-spacing: -0.02em;
    font-weight: 700;
}

/* Lucide Vector Icons Standard */
[data-lucide], .lucide {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    stroke-width: 2px;
    vertical-align: middle;
    flex-shrink: 0;
}

.hidden {
    display: none !important;
}

.app-container {
    display: flex;
    min-height: 100vh;
}

/* Sidebar Styles */
.sidebar {
    width: 260px;
    background-color: var(--bg-sidebar);
    color: white;
    transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1), left 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
    z-index: 1000;
    box-shadow: 4px 0 24px rgba(0, 0, 0, 0.18);
    border-right: 1px solid rgba(255, 255, 255, 0.06);
}

.sidebar.collapsed {
    width: 76px;
}

.sidebar-header {
    padding: 1.25rem 1.25rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    height: 72px;
}

.sidebar-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: inherit;
}

.sidebar-brand-logo {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    box-shadow: 0 4px 10px rgba(37, 99, 235, 0.35);
}

.sidebar-brand-logo .brand-icon {
    width: 20px;
    height: 20px;
}

.sidebar-brand-text {
    display: flex;
    flex-direction: column;
    line-height: 1;
}

.sidebar-brand-text h2 {
    margin: 0;
    font-size: 1.25rem;
    font-weight: 800;
    letter-spacing: 0.02em;
    color: #ffffff;
}

.brand-subtext {
    font-size: 0.6875rem;
    font-weight: 700;
    color: #60a5fa;
    letter-spacing: 0.1em;
}

.sidebar.collapsed .sidebar-brand-text {
    display: none;
}

.toggle-btn {
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: #94a3b8;
    font-size: 1.1rem;
    cursor: pointer;
    border-radius: 8px;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.toggle-btn:hover {
    background: rgba(255, 255, 255, 0.12);
    color: white;
}

.sidebar-nav {
    padding: 1rem 0.75rem;
    overflow-y: auto;
    flex: 1;
}

.sidebar-nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.sidebar-nav li {
    margin-bottom: 4px;
}

.sidebar-nav li a {
    display: flex;
    align-items: center;
    padding: 0.65rem 0.85rem;
    color: #94a3b8;
    text-decoration: none;
    border-radius: 10px;
    font-size: 0.875rem;
    font-weight: 500;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    white-space: nowrap;
    position: relative;
}

.sidebar-nav li a:hover {
    background-color: var(--bg-sidebar-hover);
    color: #ffffff;
    transform: translateX(3px);
}

.sidebar-nav li a.active {
    background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
    color: #ffffff;
    font-weight: 600;
    box-shadow: 0 4px 14px var(--primary-glow);
}

.sidebar-nav .icon {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 24px;
    margin-right: 12px;
}

.sidebar-nav .icon [data-lucide],
.sidebar-nav .icon .lucide {
    width: 18px;
    height: 18px;
    stroke-width: 2.1px;
}

.sidebar-nav .label {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
}

.sidebar.collapsed .sidebar-nav .label {
    display: none;
}

.sidebar.collapsed .sidebar-nav li a {
    justify-content: center;
    padding: 0.75rem;
}

.sidebar.collapsed .sidebar-nav li a:hover {
    transform: none;
}

.sidebar.collapsed .sidebar-nav .icon {
    margin-right: 0;
}

/* Sidebar Footer */
.sidebar-footer {
    margin-top: auto;
    padding: 1rem 1.25rem;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.75rem;
    background: rgba(0, 0, 0, 0.15);
}

.sidebar.collapsed .sidebar-footer {
    display: none;
}

.sidebar-footer-status {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    color: #e2e8f0;
}

.status-indicator-dot {
    width: 8px;
    height: 8px;
    background: #22c55e;
    border-radius: 50%;
    box-shadow: 0 0 8px #22c55e;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.7); }
    70% { transform: scale(1); box-shadow: 0 0 0 6px rgba(34, 197, 94, 0); }
    100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(34, 197, 94, 0); }
}

.footer-version-tag {
    color: #64748b;
    font-weight: 500;
    font-size: 0.7rem;
}

/* User Info in Sidebar */
.user-info {
    padding: 1rem;
    margin: 0.75rem;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 12px;
}

.user-info strong {
    color: white;
}

.user-info .text-white-50 {
    color: #94a3b8 !important;
}

/* Submenu Styles */
.sidebar-nav .submenu {
    display: none;
    background-color: rgba(0, 0, 0, 0.2);
    border-radius: 8px;
    margin: 4px 0 8px 12px;
}

.sidebar-nav li.open .submenu {
    display: block;
}

.sidebar-nav .submenu li a {
    padding: 0.6rem 1rem;
    font-size: 0.85rem;
}

/* Main Content Layout */
.main-content {
    flex: 1;
    margin-left: 260px;
    padding: 2.5rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    width: calc(100% - 260px);
    box-sizing: border-box;
    min-width: 0; /* Prevent flex overflow */
}

.main-content.expanded {
    margin-left: 76px;
    width: calc(100% - 76px);
}

.main-content.full-width {
    margin-left: 0;
    width: 100%;
    padding: 0;
}

@media (max-width: 1024px) {
    .main-content {
        padding: 1.5rem;
    }
}

@media (max-width: 768px) {
    .sidebar {
        position: fixed !important;
        top: 0 !important;
        bottom: 0 !important;
        left: -280px !important;
        width: 280px !important;
        height: 100vh !important;
        z-index: 1050 !important;
        transition: left 0.3s cubic-bezier(0.4, 0, 0.2, 1) !important;
        box-shadow: none;
    }
    
    .sidebar.mobile-active {
        left: 0 !important;
        box-shadow: 10px 0 35px rgba(0, 0, 0, 0.4) !important;
    }
    
    .main-content {
        margin-left: 0 !important;
        width: 100% !important;
        padding: 1rem !important;
    }
    
    .main-content.expanded {
        margin-left: 0 !important;
        width: 100% !important;
    }

    .sidebar-overlay {
        display: none;
        position: fixed;
        inset: 0;
        background: rgba(0,0,0,0.6);
        backdrop-filter: blur(4px);
        -webkit-backdrop-filter: blur(4px);
        z-index: 1040 !important;
    }
    
    .sidebar-overlay.active {
        display: block !important;
    }
}

/* Top Bar - Frosted Glass */
.top-bar {
    position: sticky;
    top: 0;
    right: 0;
    z-index: 900;
    background: var(--topbar-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    padding: 0.75rem 2.5rem;
    display: flex;
    justify-content: flex-end;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--shadow-xs);
    margin: -2.5rem -2.5rem 2rem -2.5rem; /* Offset main-content padding */
}

.top-bar-left-actions {
    margin-right: auto;
    display: flex;
    align-items: center;
    gap: 10px;
}

/* =========================================================
   RESPONSIVE VISIBILITY HELPERS (Default: Desktop > 768px)
   ========================================================= */
.mobile-cards-view,
.mobile-only-view,
.mobile-only,
.mobile-only-flex,
.mobile-schedule-view,
.mobile-back-to-list,
.btn-text-mobile,
.mobile-sidebar-btn {
    display: none !important;
}

.desktop-only-view,
.desktop-only,
.btn-text-desktop {
    display: block !important;
}

table.desktop-only-view {
    display: table !important;
}

tr.desktop-only-view {
    display: table-row !important;
}

tbody.desktop-only-view {
    display: table-row-group !important;
}

thead.desktop-only-view {
    display: table-header-group !important;
}

.theme-toggle-btn {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    border: 1px solid var(--border-color);
    background: var(--bg-card);
    color: var(--text-main);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.25s ease;
    box-shadow: var(--shadow-xs);
    flex-shrink: 0;
}

.theme-toggle-btn:hover {
    background: var(--bg-hover);
    transform: rotate(15deg);
    border-color: var(--primary);
    color: var(--primary);
}

.user-menu-top {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    padding: 0.35rem 0.65rem;
    background: var(--bg-card);
    border-radius: var(--radius-full);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-xs);
}

.period-selector-container {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-right: 6px;
}

.period-selector-label {
    font-size: 0.6875rem;
    font-weight: 800;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.global-period-select {
    border-radius: 20px;
    padding: 4px 12px;
    font-size: 0.75rem;
    border: 1px solid #bae6fd;
    background: var(--info-light);
    cursor: pointer;
    font-weight: 600;
    color: #0369a1;
    outline: none;
    transition: all 0.2s;
}

[data-theme="dark"] .global-period-select {
    background: rgba(2, 132, 199, 0.15);
    border-color: rgba(2, 132, 199, 0.3);
    color: #7dd3fc;
}

.global-period-select:focus {
    box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.25);
}

.switch-role-btn {
    padding: 5px 12px;
    font-size: 0.75rem;
    margin-right: 4px;
    text-decoration: none;
    border-radius: 20px;
    font-weight: 700;
    border: 1px solid var(--primary);
    background: transparent;
    color: var(--primary);
    letter-spacing: 0.02em;
    display: inline-flex;
    align-items: center;
    transition: all 0.2s ease;
}

.switch-role-btn:hover {
    background: var(--primary);
    color: white;
}

.switch-role-btn.switch-role-active {
    background: var(--warning);
    border-color: var(--warning);
    color: white;
}

.user-avatar-pill {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 3px 8px 3px 4px;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: background 0.2s;
}

.user-avatar-pill:hover {
    background: var(--bg-hover);
}

.user-avatar-circle {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 6px rgba(37, 99, 235, 0.25);
}

.user-menu-info {
    text-align: left;
    line-height: 1.15;
}

.user-name-text {
    display: block;
    font-size: 0.8125rem;
    font-weight: 700;
    color: var(--text-main);
    max-width: 140px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.user-role-badge {
    font-size: 0.6875rem;
    color: var(--text-muted);
    font-weight: 500;
}

.user-menu-divider {
    border-left: 1px solid var(--border-color);
    height: 20px;
    margin: 0 2px;
}

.logout-link {
    color: var(--danger);
    text-decoration: none;
    font-size: 0.8125rem;
    font-weight: 600;
    padding: 0.35rem 0.65rem;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    gap: 6px;
    transition: all 0.2s;
}

.logout-link:hover {
    background: var(--danger-light);
    color: var(--danger-hover);
}

[data-theme="dark"] .logout-link:hover {
    background: rgba(225, 29, 72, 0.15);
}
.main-header {
    background: var(--bg-card);
    padding: 2rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    margin-bottom: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1.5rem;
}

.main-header h1 {
    margin: 0;
    font-size: 1.875rem;
    font-weight: 700;
    color: var(--text-main);
    letter-spacing: -0.025em;
}

/* Modern Bento Grid & Stats Components */
.bento-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.25rem;
    margin-bottom: 2rem;
}

@media (max-width: 1200px) {
    .bento-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .bento-grid {
        grid-template-columns: 1fr;
    }
}

.bento-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    box-shadow: var(--shadow-xs);
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.bento-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
    border-color: rgba(37, 99, 235, 0.3);
}

.bento-card-interactive {
    cursor: pointer;
}

.bento-card-interactive:hover {
    border-color: #8b5cf6;
    box-shadow: 0 8px 20px -4px rgba(139, 92, 246, 0.2);
}

.bento-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1rem;
}

.bento-icon-wrapper {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.bento-icon-wrapper [data-lucide],
.bento-icon-wrapper .lucide {
    width: 22px;
    height: 22px;
}

.icon-success {
    background: var(--success-light);
    color: var(--success);
}
[data-theme="dark"] .icon-success {
    background: rgba(5, 150, 105, 0.15);
    color: #34d399;
}

.icon-warning {
    background: var(--warning-light);
    color: var(--warning);
}
[data-theme="dark"] .icon-warning {
    background: rgba(217, 119, 6, 0.15);
    color: #fbbf24;
}

.icon-danger {
    background: var(--danger-light);
    color: var(--danger);
}
[data-theme="dark"] .icon-danger {
    background: rgba(225, 29, 72, 0.15);
    color: #fb7185;
}

.icon-primary {
    background: var(--primary-light);
    color: var(--primary);
}
[data-theme="dark"] .icon-primary {
    background: rgba(37, 99, 235, 0.15);
    color: #60a5fa;
}

.icon-purple {
    background: #f5f3ff;
    color: #8b5cf6;
}
[data-theme="dark"] .icon-purple {
    background: rgba(139, 92, 246, 0.15);
    color: #a78bfa;
}

.icon-pink {
    background: #fdf2f8;
    color: #db2777;
}
[data-theme="dark"] .icon-pink {
    background: rgba(219, 39, 119, 0.15);
    color: #f472b6;
}

.icon-info {
    background: var(--info-light);
    color: var(--info);
}
[data-theme="dark"] .icon-info {
    background: rgba(2, 132, 199, 0.15);
    color: #38bdf8;
}

.bento-pill-badge {
    font-size: 0.6875rem;
    font-weight: 700;
    padding: 3px 8px;
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.bento-stat-label {
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.25rem;
}

.bento-stat-value {
    font-family: var(--font-heading);
    font-size: 2.25rem;
    font-weight: 800;
    line-height: 1.1;
    color: var(--text-main);
    font-feature-settings: "tnum";
    margin-bottom: 0.35rem;
}

.bento-stat-desc {
    font-size: 0.8125rem;
    color: var(--text-muted);
    margin: 0;
    line-height: 1.4;
}

/* Progress bar in stat cards */
.bento-progress-bar {
    height: 6px;
    background: var(--bg-hover);
    border-radius: 999px;
    overflow: hidden;
    display: flex;
    margin: 0.75rem 0 0.5rem 0;
}

.bento-progress-fill {
    height: 100%;
    transition: width 0.5s ease;
}

/* Classic Cards fallback */
.card,
.stat-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    box-shadow: var(--shadow-xs);
    border: 1px solid var(--border-color);
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.card:hover {
    box-shadow: var(--shadow-md);
}

.stat-card {
    border-left: 4px solid var(--primary);
}

.stat-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

/* Tables - Premium Style & Universal Independent Scroll */
.table-container,
.table-scroll-container,
.table-responsive,
.permission-table-container,
.student-list-container,
.desktop-only-view.table-scroll-container,
.card > .desktop-only-view,
.card .desktop-only-view[style*="overflow-x"],
.card > div[style*="overflow-x"] {
    max-height: calc(100vh - 280px);
    overflow-y: auto;
    overflow-x: auto;
    position: relative;
    -webkit-overflow-scrolling: touch;
}

.table-container {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
}

/* Evitar bordes o sombras duplicadas si el contenedor está dentro de una tarjeta .card */
.card > .desktop-only-view,
.card .desktop-only-view,
.card .table-container,
.card .table-scroll-container,
.card > div[style*="overflow-x"] {
    border: none;
    box-shadow: none;
    background: transparent;
}

/* Evitar que una tarjeta que actúe como contenedor de tabla tenga padding o desalinee el sticky header */
.table-container.card,
.card.table-container {
    padding: 0 !important;
}

/* Evitar scroll anidado si un contenedor de tabla está dentro de otro */
.table-container .desktop-only-view,
.desktop-only-view .table-container,
.table-container .table-scroll-container {
    max-height: none !important;
    overflow-y: visible !important;
}

/* Universal Sticky Table Headers for ALL tables in the system */
thead th,
.table thead th,
table thead th,
.table-container thead th,
.table-scroll-container thead th,
.table-responsive thead th,
.sticky-table thead th {
    position: sticky !important;
    top: 0 !important;
    z-index: 10 !important;
    background-color: var(--bg-card, #ffffff) !important;
    box-shadow: inset 0 -1px 0 var(--border-color, #e2e8f0);
}

/* Modo oscuro explícito para encabezados fijos */
[data-theme="dark"] thead th,
[data-theme="dark"] .table thead th,
[data-theme="dark"] table thead th,
[data-theme="dark"] .table-container thead th,
[data-theme="dark"] .table-scroll-container thead th,
[data-theme="dark"] .table-responsive thead th,
[data-theme="dark"] .sticky-table thead th {
    background-color: var(--bg-card, #111827) !important;
    box-shadow: inset 0 -1px 0 var(--border-color, #1f293d);
}

/* Scrollbar estilizado en todos los contenedores con scroll de tabla */
.table-scroll-container::-webkit-scrollbar,
.table-container::-webkit-scrollbar,
.table-responsive::-webkit-scrollbar,
.permission-table-container::-webkit-scrollbar,
.student-list-container::-webkit-scrollbar,
.desktop-only-view::-webkit-scrollbar,
.card > div[style*="overflow-x"]::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

.table-scroll-container::-webkit-scrollbar-track,
.table-container::-webkit-scrollbar-track,
.table-responsive::-webkit-scrollbar-track,
.permission-table-container::-webkit-scrollbar-track,
.student-list-container::-webkit-scrollbar-track,
.desktop-only-view::-webkit-scrollbar-track,
.card > div[style*="overflow-x"]::-webkit-scrollbar-track {
    background: transparent;
}

.table-scroll-container::-webkit-scrollbar-thumb,
.table-container::-webkit-scrollbar-thumb,
.table-responsive::-webkit-scrollbar-thumb,
.permission-table-container::-webkit-scrollbar-thumb,
.student-list-container::-webkit-scrollbar-thumb,
.desktop-only-view::-webkit-scrollbar-thumb,
.card > div[style*="overflow-x"]::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

.table-scroll-container::-webkit-scrollbar-thumb:hover,
.table-container::-webkit-scrollbar-thumb:hover,
.table-responsive::-webkit-scrollbar-thumb:hover,
.permission-table-container::-webkit-scrollbar-thumb:hover,
.student-list-container::-webkit-scrollbar-thumb:hover,
.desktop-only-view::-webkit-scrollbar-thumb:hover,
.card > div[style*="overflow-x"]::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

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

th {
    background-color: var(--bg-body);
    padding: 1rem 1.5rem;
    text-align: left;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border-color);
}

td {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.9375rem;
    color: var(--text-main);
}

tr:last-child td {
    border-bottom: none;
}

tr:hover td {
    background-color: var(--bg-body);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    border-radius: 10px;
    font-weight: 600;
    font-size: 0.9375rem;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid transparent;
    text-decoration: none;
}

.btn-primary {
    background: var(--primary);
    color: white;
}

.btn-primary:hover {
    background: var(--primary-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.2);
}

.btn-secondary {
    background: var(--secondary);
    color: white;
}

.btn-secondary:hover {
    background: var(--secondary-hover);
}

.btn-success {
    background: var(--success);
    color: white;
}

.btn-success:hover {
    background: var(--success-hover);
}

.btn-danger {
    background: var(--danger);
    color: white;
}

.btn-danger:hover {
    background: var(--danger-hover);
}

.btn-warning {
    background: var(--warning);
    color: white;
}

.btn-warning:hover {
    background: #d97706;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(245, 158, 11, 0.2);
}

.close-modal:hover {
    color: var(--danger);
}

.btn-info {
    background: var(--info);
    color: white;
}

.btn-outline-primary {
    background: transparent;
    border: 1px solid var(--primary);
    color: var(--primary);
}

.btn-outline-primary:hover {
    background: var(--primary);
    color: white;
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-main);
}

.btn-outline:hover {
    background: var(--bg-body);
    border-color: #cbd5e1;
}

/* Forms & Inputs */
.form-control,
input[type="text"],
input[type="number"],
input[type="password"],
input[type="email"],
input[type="date"],
input[type="tel"],
input[type="search"],
select,
textarea {
    width: 100%;
    padding: 0.625rem 1rem;
    background-color: var(--input-bg);
    border: 1px solid var(--input-border);
    border-radius: 10px;
    font-size: 0.9375rem;
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s, background-color 0.2s;
    color: var(--text-main);
    box-sizing: border-box;
}

input[type="number"] {
    padding-left: 0.5rem;
    padding-right: 0.5rem;
}

.read-only-field,
input:disabled,
select:disabled,
textarea:disabled,
input[readonly],
select[readonly],
textarea[readonly] {
    background-color: var(--input-bg-disabled) !important;
    color: var(--input-text-disabled) !important;
    border-color: var(--input-border) !important;
    cursor: not-allowed;
}

.form-control:focus,
input:focus,
select:focus,
textarea:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(29, 78, 216, 0.15);
}

[data-theme="dark"] input:focus, 
[data-theme="dark"] select:focus,
[data-theme="dark"] textarea:focus {
    border-color: var(--primary) !important;
    box-shadow: 0 0 0 3px var(--primary-glow) !important;
}

.form-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-main);
}

/* Form Addons & Controls */
.input-icon-wrapper {
    position: relative;
    display: flex;
    align-items: center;
    width: 100%;
}

.input-icon-wrapper .input-icon {
    position: absolute;
    left: 0.875rem;
    width: 1.125rem;
    height: 1.125rem;
    color: var(--text-muted);
    pointer-events: none;
    z-index: 2;
}

.input-icon-wrapper .form-control.has-icon,
.input-icon-wrapper input.has-icon,
.input-icon-wrapper select.has-icon {
    padding-left: 2.5rem !important;
}

.form-hint, .form-text {
    display: block;
    font-size: 0.8125rem;
    color: var(--text-muted);
    margin-top: 0.35rem;
    line-height: 1.4;
}

.form-error {
    display: block;
    font-size: 0.8125rem;
    color: var(--danger, #ef4444);
    margin-top: 0.35rem;
    font-weight: 500;
}

/* Switches & Checkboxes */
.form-switch {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    cursor: pointer;
    user-select: none;
}

.form-switch input[type="checkbox"] {
    appearance: none;
    -webkit-appearance: none;
    width: 2.75rem !important;
    height: 1.5rem !important;
    padding: 0 !important;
    background-color: var(--border-color, #cbd5e1);
    border-radius: 9999px;
    position: relative;
    cursor: pointer;
    outline: none;
    transition: background-color 0.2s, border-color 0.2s;
    border: 2px solid transparent;
    flex-shrink: 0;
}

.form-switch input[type="checkbox"]::after {
    content: '';
    position: absolute;
    top: 2px;
    left: 2px;
    width: 1.125rem;
    height: 1.125rem;
    background-color: #ffffff;
    border-radius: 50%;
    transition: transform 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 1px 3px rgba(0,0,0,0.15);
}

.form-switch input[type="checkbox"]:checked {
    background-color: var(--primary);
}

.form-switch input[type="checkbox"]:checked::after {
    transform: translateX(1.25rem);
}

.form-switch input[type="checkbox"]:focus {
    box-shadow: 0 0 0 3px var(--primary-glow);
}

.form-switch .switch-label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-main);
    cursor: pointer;
}

.form-check {
    display: inline-flex;
    align-items: center;
    gap: 0.625rem;
    cursor: pointer;
    user-select: none;
}

.form-check input[type="checkbox"] {
    width: 1.125rem;
    height: 1.125rem;
    margin: 0;
    accent-color: var(--primary);
    cursor: pointer;
}

.form-check .form-check-label {
    font-size: 0.875rem;
    color: var(--text-main);
    cursor: pointer;
}

/* Utilities */
/* Spacing and Flexbox Utilities */
.d-flex { display: flex !important; }
.flex-wrap { flex-wrap: wrap !important; }
.align-items-center { align-items: center !important; }
.justify-content-between { justify-content: space-between !important; }
.justify-content-end { justify-content: flex-end !important; }

.mt-1 { margin-top: 0.25rem !important; }
.mt-2 { margin-top: 0.5rem !important; }
.mt-3 { margin-top: 1rem !important; }
.mt-4 { margin-top: 1.5rem !important; }
.mt-5 { margin-top: 3rem !important; }

.mb-1 { margin-bottom: 0.25rem !important; }
.mb-2 { margin-bottom: 0.5rem !important; }
.mb-3 { margin-bottom: 1rem !important; }
.mb-4 { margin-bottom: 1.5rem !important; }
.mb-5 { margin-bottom: 3rem !important; }

.me-1 { margin-right: 0.25rem !important; }
.me-2 { margin-right: 0.5rem !important; }
.me-3 { margin-right: 1rem !important; }
.me-4 { margin-right: 1.5rem !important; }

.ms-1 { margin-left: 0.25rem !important; }
.ms-2 { margin-left: 0.5rem !important; }
.ms-3 { margin-left: 1rem !important; }
.ms-4 { margin-left: 1.5rem !important; }

.p-1 { padding: 0.25rem !important; }
.p-2 { padding: 0.5rem !important; }
.p-3 { padding: 1rem !important; }
.p-4 { padding: 1.5rem !important; }
.p-5 { padding: 3rem !important; }

/* Badges & Status Pills */
.badge {
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    line-height: 1.25;
}

.badge-primary {
    background-color: var(--badge-primary-bg);
    color: var(--badge-primary-text);
}

.badge-secondary {
    background-color: var(--badge-secondary-bg);
    color: var(--badge-secondary-text);
}

.badge-outline {
    background-color: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-muted);
}

.badge-success {
    background-color: var(--badge-success-bg);
    color: var(--badge-success-text);
}

.badge-danger {
    background-color: var(--badge-danger-bg);
    color: var(--badge-danger-text);
}

.badge-info {
    background-color: var(--badge-info-bg);
    color: var(--badge-info-text);
}

.badge-warning {
    background-color: var(--badge-warning-bg);
    color: var(--badge-warning-text);
}

/* ============================================================
   SISTEMA MODAL UNIVERSAL ESTANDARIZADO (Light & Dark Ready)
   ============================================================ */
.modal,
.modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2500;
    background-color: var(--modal-backdrop);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    align-items: center;
    justify-content: center;
    padding: 1rem;
    overflow-y: auto;
    box-sizing: border-box;
}

/* Modales activos / visibles */
.modal.active,
.modal-overlay.active,
.modal.show,
.modal-overlay.show,
.modal:not(.hidden):not(.modal-overlay):not(.fade) {
    display: flex !important;
    animation: modalBackdropFadeIn 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Modales con clase .hidden siempre ocultos */
.modal.hidden,
.modal-overlay.hidden,
.hidden {
    display: none !important;
}

/* Contenedor del Modal */
.modal-content,
.modal-card,
.modal-content-card {
    background-color: var(--modal-bg);
    color: var(--text-main);
    border: 1px solid var(--modal-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    width: 100%;
    max-width: 540px;
    max-height: calc(100vh - 3rem);
    display: flex;
    flex-direction: column;
    position: relative;
    margin: auto;
    overflow: hidden;
    transform: translateY(0);
    animation: modalDialogSlideIn 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    box-sizing: border-box;
}

/* Modificadores de Tamaño */
.modal-sm .modal-content,
.modal-content.modal-sm,
.modal-content-card.modal-sm {
    max-width: 400px;
}

.modal-md .modal-content,
.modal-content.modal-md,
.modal-content-card.modal-md {
    max-width: 540px;
}

.modal-lg .modal-content,
.modal-content.modal-lg,
.modal-content-card.modal-lg {
    max-width: 760px;
}

.modal-xl .modal-content,
.modal-content.modal-xl,
.modal-content-card.modal-xl {
    max-width: 960px;
}

.modal-full .modal-content,
.modal-content.modal-full {
    max-width: 95vw;
    height: 90vh;
}

/* Subcomponentes de Modal */
.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem 1.75rem;
    border-bottom: 1px solid var(--border-color);
    background-color: var(--modal-bg);
    flex-shrink: 0;
}

.modal-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-main);
    margin: 0;
    line-height: 1.3;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.modal-body {
    padding: 1.5rem 1.75rem;
    overflow-y: auto;
    color: var(--text-main);
    flex: 1 1 auto;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: 0.75rem;
    padding: 1.25rem 1.75rem;
    border-top: 1px solid var(--border-color);
    background-color: var(--bg-card-subtle);
    flex-shrink: 0;
    flex-wrap: wrap;
}

.modal-footer .btn,
.modal-footer button,
.modal-footer a.btn {
    width: auto !important;
    flex: none !important;
    min-width: 110px;
}

.form-actions {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: 0.75rem;
    margin-top: 2rem;
    flex-wrap: wrap;
}

.form-actions .btn,
.form-actions button,
.form-actions a.btn {
    width: auto !important;
    flex: none !important;
    min-width: 110px;
}

.form-actions.align-start { justify-content: flex-start; }
.form-actions.align-center { justify-content: center; }
.form-actions.align-between { justify-content: space-between; }
.form-actions.align-end { justify-content: flex-end; }

/* Botones de Cierre */
.close-modal,
.modal-close {
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 1.5rem;
    font-weight: 700;
    line-height: 1;
    cursor: pointer;
    border-radius: var(--radius-sm);
    padding: 0.35rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.close-modal:hover,
.modal-close:hover {
    color: var(--danger);
    background-color: var(--bg-hover);
}

/* Animaciones */
@keyframes modalBackdropFadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes modalDialogSlideIn {
    from {
        opacity: 0;
        transform: translateY(16px) scale(0.97);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* Grid System */
.grid {
    display: grid;
    gap: 1.5rem;
}
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

/* Responsive Grid & Layout */
@media (max-width: 1024px) {
    .grid-3, .grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .grid-2, .grid-3, .grid-4 {
        grid-template-columns: 1fr;
    }

    .main-header {
        padding: 1.5rem;
    }

    .main-header h1 {
        font-size: 1.5rem;
    }
    
    .top-bar {
        margin: -1rem -1rem 1rem -1rem !important; /* Match mobile padding */
    }
}
/* Tab System */
.tabs-container {
    margin-top: 2rem;
}

.tabs-header {
    display: flex;
    gap: 8px;
    border-bottom: 2px solid var(--border-color);
    margin-bottom: 2rem;
    padding-bottom: 0;
    overflow-x: auto;
    scrollbar-width: none;
}

.tabs-header::-webkit-scrollbar {
    display: none;
}

.tab-btn {
    padding: 0.8rem 1.5rem;
    border: none;
    background: none;
    cursor: pointer;
    font-weight: 600;
    color: var(--text-muted);
    border-bottom: 3px solid transparent;
    transition: all 0.2s;
    white-space: nowrap;
}

.tab-btn:hover {
    color: var(--primary);
    background: var(--primary-light);
}

.tab-btn.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
}

.tab-content {
    display: none;
    animation: fadeIn 0.3s ease-out;
}

.tab-content.active {
    display: block;
}

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

/* Form Helper Classes */
.input-group-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.section-title {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 1.25rem;
    color: var(--primary);
    display: flex;
    align-items: center;
    gap: 8px;
}

.dynamic-list-item {
    padding: 1rem;
    background: var(--bg-body);
    border-radius: 8px;
    margin-bottom: 1rem;
    border: 1px solid var(--border-color);
    justify-content: space-between;
    align-items: center;
}

/* Toast Notifications */
#toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.toast {
    min-width: 300px;
    padding: 1rem 1.25rem;
    background: var(--bg-card);
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
    border-left: 6px solid #cbd5e1;
    display: flex;
    justify-content: space-between;
    align-items: center;
    animation: slideIn 0.3s ease-out;
    transition: all 0.3s ease;
}

.toast.toast-success { border-left-color: var(--success); }
.toast.toast-danger { border-left-color: var(--danger); }
.toast.toast-warning { border-left-color: var(--warning); }
.toast.toast-info { border-left-color: var(--info); }

.toast-content {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.toast-title {
    font-weight: 700;
    font-size: 0.9rem;
    color: var(--text-main);
}

.toast-message {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.toast-close {
    background: transparent;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 1.2rem;
    padding: 4px;
    opacity: 0.5;
}

.toast-close:hover { opacity: 1; }

@keyframes slideIn {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

@keyframes fadeOut {
    to { opacity: 0; transform: scale(0.95); }
}

/* Alerts / Flash Messages */
.alert {
    padding: 1.25rem;
    margin-bottom: 1.5rem;
    border-radius: var(--radius-md);
    border-left: 5px solid #cbd5e1;
    font-weight: 500;
    box-shadow: var(--shadow-sm);
    animation: fadeIn 0.4s ease-out;
}

.alert-danger, .alert-error {
    background-color: #fee2e2;
    color: #991b1b;
    border-color: #ef4444;
}

.alert-success {
    background-color: #d1fae5;
    color: #065f46;
    border-color: #10b981;
}

.alert-info, .alert-warning {
    background-color: #e0f2fe;
    color: #075985;
    border-color: #0ea5e9;
}

[data-theme="dark"] .alert-danger, [data-theme="dark"] .alert-error {
    background-color: rgba(239, 68, 68, 0.1);
    color: #fca5a5;
    border-color: #ef4444;
}

[data-theme="dark"] .alert-success {
    background-color: rgba(16, 185, 129, 0.1);
    color: #6ee7b7;
    border-color: #10b981;
}

[data-theme="dark"] .alert-info, [data-theme="dark"] .alert-warning {
    background-color: rgba(14, 165, 233, 0.1);
    color: #7dd3fc;
    border-color: #0ea5e9;
}

/* Student Portal Responsive Adjustments */
.portal-container {
    padding: 0 2.5rem;
}

.welcome-banner {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%); 
    border-radius: 24px; 
    padding: 3rem; 
    color: white; 
    position: relative; 
    overflow: hidden; 
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.welcome-banner-flex {
    display: flex; gap: 1rem; margin-top: 1.5rem;
}

.portal-header-flex {
    display: flex; justify-content: space-between; align-items: center; gap: 1rem; flex-wrap: wrap;
}

.portal-profile-row {
    display: flex; gap: 2rem; flex-wrap: wrap;
}

.portal-card {
    background: white; border-radius: 20px; padding: 2rem; border: 1px solid var(--border-color); transition: transform 0.3s ease, box-shadow 0.3s ease; cursor: pointer;
}

[data-theme="dark"] .portal-card {
    background: var(--bg-card);
}

[data-theme="dark"] .welcome-banner {
    border: 1px solid var(--border-color);
}

@media (max-width: 768px) {
    .portal-container {
        padding: 0;
    }
    .welcome-banner {
        padding: 1.5rem;
        border-radius: 16px;
    }
    .welcome-banner h1 {
        font-size: 1.75rem !important;
    }
    .welcome-banner-flex {
        flex-direction: column;
    }
    .portal-header-flex {
        flex-direction: column;
        align-items: flex-start;
    }
    .portal-card {
        padding: 1.5rem;
    }
    .portal-profile-row {
        flex-direction: column;
        gap: 1rem;
    }
    .portal-profile-row > div {
        max-width: 100% !important;
        min-width: 100% !important;
    }

    /* Admin top-bar and user menu mobile adjustments */
    .top-bar {
        margin: -1rem -1rem 1rem -1rem !important;
        padding: 0.5rem 0.75rem !important;
        display: flex !important;
        justify-content: space-between !important;
        align-items: center !important;
        gap: 6px !important;
        width: calc(100% + 2rem) !important;
        box-sizing: border-box !important;
    }

    .top-bar-left-actions {
        display: flex !important;
        align-items: center !important;
        gap: 6px !important;
        flex-shrink: 0 !important;
        margin-right: 0 !important;
    }

    .mobile-sidebar-btn {
        display: inline-flex !important;
        align-items: center;
        justify-content: center;
        width: 38px;
        height: 38px;
        border-radius: 10px;
        background: var(--bg-card);
        border: 1px solid var(--border-color);
        color: var(--text-main);
        cursor: pointer;
        box-shadow: var(--shadow-xs);
        transition: all 0.2s ease;
        flex-shrink: 0;
    }
    
    .mobile-sidebar-btn:hover {
        background: var(--bg-hover);
        border-color: var(--primary);
        color: var(--primary);
    }

    .mobile-sidebar-btn svg {
        width: 20px;
        height: 20px;
    }

    .mobile-only-toggle {
        display: inline-flex !important;
    }
    
    .user-menu-top {
        gap: 0.35rem !important;
        padding: 0.25rem 0.45rem !important;
        flex-shrink: 1 !important;
        max-width: 72% !important;
        justify-content: flex-end !important;
    }
    
    .period-selector-label {
        display: none !important;
    }
    
    .period-selector-container {
        margin-right: 0 !important;
    }

    .global-period-select {
        max-width: 80px !important;
        padding: 3px 6px !important;
        font-size: 0.7rem !important;
    }
    
    .switch-role-btn {
        margin-right: 0 !important;
        padding: 3px 6px !important;
        font-size: 0.6875rem !important;
    }

    .switch-role-btn svg {
        margin-right: 2px !important;
    }
    
    .btn-text-desktop {
        display: none !important;
    }
    
    .btn-text-mobile {
        display: inline !important;
    }
    
    .user-name-text,
    .user-role-text,
    .user-role-badge,
    .user-menu-divider {
        display: none !important;
    }

    .user-avatar-pill {
        padding: 2px !important;
    }

    .user-avatar-circle {
        width: 32px !important;
        height: 32px !important;
    }
    
    .user-icon-badge {
        font-size: 1.25rem !important;
    }

    /* Ocultar tabla de escritorio y mostrar tarjetas de móvil */
    .desktop-only-view {
        display: none !important;
    }
    
    .mobile-cards-view {
        display: flex !important;
        flex-direction: column;
        gap: 1.25rem;
        width: 100%;
        margin-top: 1rem;
    }
    
    /* Estilos Premium de Tarjetas */
    .student-card, .teacher-card {
        background: var(--bg-card);
        border: 1px solid var(--border-color);
        border-radius: var(--radius-lg);
        padding: 1.25rem;
        box-shadow: var(--shadow-sm);
        transition: transform 0.2s ease, box-shadow 0.2s ease;
        position: relative;
        display: flex;
        flex-direction: column;
        gap: 0.75rem;
        cursor: pointer;
    }
    
    .student-card:active, .teacher-card:active {
        transform: scale(0.98);
        box-shadow: none;
    }
    
    /* Color de borde izquierdo según estatus */
    .student-card.status-activo, .teacher-card.status-activo {
        border-left: 4px solid var(--success) !important;
    }
    .student-card.status-suspendido, .teacher-card.status-baja {
        border-left: 4px solid var(--warning) !important;
    }
    .student-card.status-baja, .teacher-card.status-inactivo {
        border-left: 4px solid var(--danger) !important;
    }
    
    /* Estilos de cabecera de tarjeta */
    .student-card-header, .teacher-card-header {
        display: flex;
        justify-content: space-between;
        align-items: center;
        border-bottom: 1px dashed var(--border-color);
        padding-bottom: 0.5rem;
    }
    
    .student-card-matricula {
        font-family: monospace;
        font-weight: 700;
        color: var(--primary);
        font-size: 0.95rem;
    }
    
    .student-card-name, .teacher-card-name {
        margin: 0;
        font-size: 1.1rem;
        font-weight: 700;
        color: var(--text-main);
        line-height: 1.3;
    }
    
    /* Cuerpo y Filas de Información */
    .student-card-body, .teacher-card-body {
        display: flex;
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .student-card-info-row, .teacher-card-info-row {
        display: flex;
        justify-content: space-between;
        align-items: baseline;
        font-size: 0.875rem;
    }
    
    .info-label {
        color: var(--text-muted);
        font-weight: 500;
    }
    
    .info-value {
        color: var(--text-main);
        font-weight: 600;
        text-align: right;
    }
    
    /* Grid compacto de meta */
    .student-card-grid-meta {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 0.5rem;
        background: var(--bg-body);
        padding: 0.5rem;
        border-radius: 8px;
        text-align: center;
        margin-top: 4px;
    }
    
    .student-card-grid-meta div {
        display: flex;
        flex-direction: column;
        gap: 2px;
    }
    
    .student-card-grid-meta .info-label {
        font-size: 0.7rem;
        text-transform: uppercase;
        letter-spacing: 0.05em;
    }
    
    .student-card-grid-meta .info-value {
        font-size: 0.85rem;
        text-align: center;
        color: var(--text-main);
        font-weight: 600;
    }
    
    /* Pie y botones de acción rápidos en móvil */
    .student-card-actions, .teacher-card-actions {
        display: flex;
        flex-wrap: wrap;
        gap: 6px;
        margin-top: 0.5rem;
        border-top: 1px solid var(--border-color);
        padding-top: 0.75rem;
    }
    
    .student-card-actions .btn, .teacher-card-actions .btn,
    .student-card-actions a, .teacher-card-actions a {
        flex: 1 1 calc(50% - 6px); /* 2 botones por fila */
        font-size: 0.75rem !important;
        padding: 8px 10px !important;
        border-radius: 8px !important;
        justify-content: center;
        box-sizing: border-box;
    }
    
    /* Scroll Horizontal de Filtros */
    .status-filters {
        display: flex !important;
        overflow-x: auto !important;
        -webkit-overflow-scrolling: touch;
        max-width: 100vw;
        scrollbar-width: none; /* Firefox */
        width: 100% !important;
        box-sizing: border-box;
    }
    
    .status-filters::-webkit-scrollbar {
        display: none; /* Safari / Chrome */
    }
    
    /* Controles de cabecera apilados en móvil */
    .students-header, .main-header {
        padding: 1rem !important;
        gap: 1rem !important;
        flex-direction: column !important;
        align-items: stretch !important;
    }

    .main-header > div:last-child {
        width: 100% !important;
        display: flex !important;
        flex-direction: column !important;
        align-items: stretch !important;
        gap: 0.75rem !important;
    }

    .main-header form {
        width: 100% !important;
        display: flex !important;
        flex-direction: column !important;
        gap: 0.5rem !important;
    }

    .main-header form > div,
    .main-header form input,
    .main-header form select {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box;
    }
    
    .header-controls {
        flex-direction: column !important;
        align-items: stretch !important;
        gap: 1rem !important;
        width: 100%;
    }
    
    .search-form {
        width: 100% !important;
        display: flex;
        gap: 8px;
    }
    
    .search-box {
        flex: 1;
        min-width: 0 !important;
    }
    
    .action-buttons {
        width: 100%;
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 8px;
    }
    
    .action-buttons .btn, .action-buttons button {
        width: 100% !important;
        margin: 0 !important;
        font-size: 0.8rem !important;
        padding: 8px 12px !important;
    }
    
    /* Ajustes para previsualización modal y modales generales */
    .modal-content-card {
        padding: 1.5rem !important;
        margin: 15% auto !important;
        border-radius: 16px !important;
    }
    
    .modal-preview-header {
        padding: 1.5rem !important;
    }
    
    .modal-preview-header h2 {
        font-size: 1.5rem !important;
    }
    
    .profile-photo-preview {
        width: 80px !important;
        height: 80px !important;
    }
    
    .modal-preview-header + div {
        padding: 1.5rem !important;
    }
    
    .modal-preview-header + div > div {
        grid-template-columns: 1fr !important;
        gap: 1.5rem !important;
    }
    
    #preview-edit-link, .modal-preview-header + div button {
        padding: 12px !important;
        font-size: 0.95rem !important;
    }

    /* Standard modal content adaptations */
    .modal-content {
        padding: 1.25rem !important;
        width: 95% !important;
        margin: 5% auto !important;
    }

    /* Stack flex-row-responsive items on mobile */
    .flex-row-responsive {
        flex-direction: column !important;
        align-items: stretch !important;
        gap: 1rem !important;
    }
    
    .flex-row-responsive > button,
    .flex-row-responsive > a,
    .flex-row-responsive > div {
        width: 100% !important;
    }

    /* Responsive split container across all views (Groups, Schedules, etc.) */
    .split-container {
        flex-direction: column !important;
        height: auto !important;
        min-height: 0 !important;
        gap: 1.25rem !important;
        overflow: visible !important;
    }

    .split-container > div,
    .split-container > aside,
    .split-container > main {
        width: 100% !important;
        flex: none !important;
        height: auto !important;
        max-height: none !important;
    }

    .table-container {
        width: 100% !important;
        max-width: 100% !important;
        overflow-x: auto !important;
        -webkit-overflow-scrolling: touch;
    }

    /* Tabs responsive scroll in mobile */
    .tabs-header {
        overflow-x: auto !important;
        -webkit-overflow-scrolling: touch;
        white-space: nowrap;
        scrollbar-width: none; /* Firefox */
        width: 100% !important;
        box-sizing: border-box;
    }
    .tabs-header::-webkit-scrollbar {
        display: none; /* Safari / Chrome */
    }
}

/* Utility responsive flex row */
.flex-row-responsive {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1.5rem;
    flex-wrap: wrap;
}

/* Tabs responsive scrolling support */
.tabs-header {
    display: flex;
    gap: 8px;
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 0;
}
.tab-btn {
    flex-shrink: 0;
}

/* =========================================================
   REGLAS GLOBALES DE IMPRESIÓN (@media print)
/* =========================================================
   ESTILOS GLOBALES DE IMPRESIÓN (@media print)
   ========================================================= */
@page {
    margin: 8mm;
}

@media print {
    *, *::before, *::after {
        box-sizing: border-box !important;
        -webkit-print-color-adjust: exact !important;
        print-color-adjust: exact !important;
        text-shadow: none !important;
        box-shadow: none !important;
    }
    
    html, body {
        width: 100% !important;
        height: auto !important;
        min-height: 0 !important;
        max-height: none !important;
        margin: 0 !important;
        padding: 0 !important;
        background: #ffffff !important;
        color: #0f172a !important;
        overflow: visible !important;
        position: static !important;
    }
    
    .app-container, 
    main, 
    #main-content, 
    .main-content, 
    .main-content.expanded, 
    .main-content.full-width,
    .container, 
    .schedule-container,
    .main-container {
        display: block !important;
        width: 100% !important;
        max-width: 100% !important;
        min-width: 0 !important;
        height: auto !important;
        min-height: 0 !important;
        max-height: none !important;
        margin: 0 !important;
        margin-left: 0 !important;
        padding: 0 !important;
        flex: none !important;
        float: none !important;
        left: 0 !important;
        position: static !important;
        overflow: visible !important;
        transform: none !important;
    }
    
    .sidebar, 
    .top-bar, 
    .app-header, 
    nav, 
    aside, 
    header.top-bar, 
    #sidebar, 
    #sidebar-toggle, 
    #mobile-sidebar-toggle, 
    .theme-toggle, 
    .theme-toggle-btn, 
    .accessibility-widget, 
    .no-print, 
    .skip-link, 
    .modal,
    .sidebar-overlay,
    button, 
    .btn,
    #dev-bar {
        display: none !important;
    }

    /* Print table rules: uncap height and disable sticky headers */
    .table-container,
    .table-scroll-container,
    .table-responsive,
    .permission-table-container,
    .student-list-container,
    .desktop-only-view,
    .card > div[style*="overflow-x"] {
        max-height: none !important;
        overflow: visible !important;
    }

    thead th,
    .table thead th,
    table thead th {
        position: static !important;
        box-shadow: none !important;
    }
}