:root {
    /* Professional Color Palette (Slate & Indigo) */
    --primary-color: #4f46e5;
    /* Indigo 600 */
    --primary-hover: #4338ca;
    /* Indigo 700 */
    --secondary-color: #64748b;
    /* Slate 500 */
    --success-color: #10b981;
    /* Emerald 500 */
    --danger-color: #ef4444;
    /* Red 500 */
    --warning-color: #f59e0b;
    /* Amber 500 */
    --info-color: #3b82f6;
    /* Blue 500 */

    --bg-body: #f8fafc;
    /* Slate 50 - Softer background */
    --bg-card: #ffffff;
    --text-main: #1e293b;
    /* Slate 800 - Better contrast */
    --text-muted: #64748b;
    /* Slate 500 */
    --border-color: #e2e8f0;
    /* Slate 200 */

    --sidebar-bg: #0f172a;
    /* Slate 900 - Darker sidebar */
    --sidebar-text: #f1f5f9;
    /* Slate 100 */
    --sidebar-active: #1e293b;
    /* Slate 800 */

    --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --white: #ffffff;
    --radius: 0.5rem;
    --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    outline: none;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background-color: var(--bg-body);
    color: var(--text-main);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    font-size: 0.9rem;
}

/* Layout */
.app-wrapper {
    display: flex;
    min-height: 100vh;
}

.main-content {
    margin-left: 260px;
    padding: 2rem;
    padding-top: 5.5rem;
    /* Space for top navbar */
    padding-bottom: 4rem;
    /* Space for fixed footer */
    background-color: var(--bg-body);
    min-height: 100vh;
    width: calc(100% - 260px);
    transition: margin-left 0.3s ease;
}

/* Top Navbar */
.top-navbar {
    position: fixed;
    top: 0;
    left: 260px;
    width: calc(100% - 260px);
    height: 70px;
    background-color: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--border-color);
    z-index: 100;
    padding: 0 2rem;
    display: flex;
    align-items: center;
    transition: width 0.3s ease, left 0.3s ease;
}

.navbar-content {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* Header Clock */
.header-clock {
    display: flex;
    align-items: center;
    background: #f1f5f9;
    padding: 0.5rem 1rem;
    border-radius: 2rem;
    font-family: 'Inter', monospace;
    font-weight: 600;
    color: var(--primary-color);
    border: 1px solid var(--border-color);
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.05);
}

.header-clock i {
    margin-right: 8px;
    font-size: 1rem;
}

#clockTime {
    font-size: 1.1rem;
    min-width: 85px;
}


/* User Profile Dropdown */
.user-profile-dropdown {
    position: relative;
    display: inline-block;
}

.profile-trigger {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: var(--radius);
    transition: var(--transition);
}

.profile-trigger:hover {
    background-color: #f1f5f9;
}

.profile-img {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--border-color);
}

.profile-name {
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text-main);
}

.profile-menu {
    display: none;
    position: absolute;
    right: 0;
    top: calc(100% + 0.5rem);
    background-color: #fff;
    min-width: 200px;
    box-shadow: var(--shadow-lg);
    border-radius: var(--radius);
    z-index: 1000;
    border: 1px solid var(--border-color);
    overflow: hidden;
    animation: slideDown 0.2s ease-out;
}

.profile-menu.show {
    display: block;
}

.profile-menu a {
    color: var(--text-main);
    padding: 0.75rem 1rem;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    transition: background-color 0.2s;
    font-size: 0.9rem;
}

.profile-menu a:hover {
    background-color: #f8fafc;
    color: var(--primary-color);
}

.profile-menu .divider {
    height: 1px;
    background-color: var(--border-color);
    margin: 0;
}

.profile-menu .text-danger {
    color: var(--danger-color);
}

.profile-menu .text-danger:hover {
    background-color: #fef2f2;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }

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

/* Sidebar Styles Upgrade */
.sidebar {
    width: 260px;
    background: linear-gradient(180deg, #0f172a 0%, #1e293b 100%);
    color: var(--sidebar-text);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    overflow: hidden;
    z-index: 2000;
    box-shadow: 10px 0 30px rgba(0, 0, 0, 0.2);
}

.sidebar-header {
    height: 70px;
    padding: 0 1.25rem;
    display: flex;
    align-items: center;
    background: rgba(0, 0, 0, 0.2);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.brand {
    font-size: 1rem;
    font-weight: 700;
    color: #ffffff;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    line-height: 1.2;
}

.sidebar-nav {
    flex: 1;
    padding: 1.5rem 0.8rem;
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: rgba(255, 255, 255, 0.1) transparent;
}

.sidebar-nav ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

/* Base Nav Item Style */
.sidebar-nav li a {
    display: flex;
    align-items: center;
    padding: 0.8rem 1.2rem;
    color: #94a3b8;
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    font-weight: 600;
    border-radius: 12px;
    font-size: 0.85rem;
    line-height: 1.3;
}

.sidebar-nav li a:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.05);
    transform: translateX(4px);
}

/* Glassmorphism Active State */
.sidebar-nav li a.active,
.has-submenu.open>a {
    color: #fff;
    background: rgba(79, 70, 229, 0.15);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-nav li a.active i,
.has-submenu.open>a i {
    color: #818cf8;
    text-shadow: 0 0 10px rgba(129, 140, 248, 0.5);
}

.sidebar-nav li a i {
    width: 24px;
    text-align: center;
    margin-right: 14px;
    font-size: 1.1rem;
    transition: transform 0.3s ease;
}

.sidebar-nav li a:hover i {
    transform: scale(1.1);
}

/* Submenu Improvements */
.has-submenu>a::after {
    content: '\f107';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    position: absolute;
    right: 1.2rem;
    font-size: 0.8rem;
    opacity: 0.5;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.has-submenu.open>a::after {
    transform: rotate(180deg);
    opacity: 1;
}

.submenu {
    list-style: none;
    padding: 0;
    margin: 0.25rem 0 0.5rem 0;
    max-height: 0;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    opacity: 0;
    transform: translateY(-10px);
}

.has-submenu.open .submenu {
    max-height: 500px;
    opacity: 1;
    transform: translateY(0);
}

.submenu li a {
    padding: 0.7rem 1.2rem 0.7rem 3.5rem;
    font-size: 0.8rem;
    color: #64748b;
    font-weight: 500;
}

.submenu li a i {
    font-size: 0.9rem;
    margin-right: 10px;
}

.submenu li a:hover {
    color: #818cf8;
    background: transparent !important;
    transform: translateX(6px);
}

/* Footer (Logout) Button in Sidebar */
.logout-container {
    padding: 1rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.btn-logout {
    background-color: rgba(255, 255, 255, 0.05) !important;
    color: #cbd5e1 !important;
    width: 100%;
    justify-content: flex-start;
    border: 1px solid rgba(255, 255, 255, 0.1) !important;
}

.btn-logout:hover {
    background-color: rgba(255, 255, 255, 0.1) !important;
    color: #fff !important;
    border-color: rgba(255, 255, 255, 0.2) !important;
}

/* Page Headers */
.dashboard-header {
    margin-bottom: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.dashboard-header h2 {
    font-weight: 700;
    color: var(--text-main);
    font-size: 1.5rem;
    letter-spacing: -0.025em;
    margin: 0;
}

.dashboard-header p {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-top: 0.25rem;
}

/* Cards */
.card {
    background: var(--bg-card);
    border-radius: var(--radius);
    padding: 1.5rem;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

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

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--info-color));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.card:hover::before {
    opacity: 1;
}

.card-title {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.card-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-main);
}

/* Dashboard Grid */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2.5rem;
}

/* Tables */
.table-responsive {
    background: var(--bg-card);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    overflow: hidden;
    margin-top: 1.5rem;
}

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

th {
    background-color: #f8fafc;
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.05em;
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--border-color);
    text-align: left;
}

td {
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-main);
    vertical-align: middle;
    font-size: 0.9rem;
    transition: background-color 0.1s ease;
}

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

tr:hover td {
    background-color: #f8fafc;
}

/* Status Badges */
.status-badge {
    padding: 0.35em 1em;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 800;
    text-transform: uppercase;
    display: inline-block;
    letter-spacing: 0.5px;
}

.status-Presente {
    background-color: #f0fdf4 !important;
    color: #166534 !important;
    border: 1px solid #dcfce7 !important;
}

.status-Tardanza {
    background-color: #fff9db !important;
    color: #856404 !important;
    border: 1px solid #ffeeba !important;
}

.status-Falta,
.status-Falto {
    background-color: #fef2f2 !important;
    color: #991b1b !important;
    border: 1px solid #fee2e2 !important;
}

.status-Pendiente {
    background-color: #fff7ed !important;
    color: #9a3412 !important;
    border: 1px solid #ffedd5 !important;
}

.status-Aprobado {
    background-color: #f0fdf4 !important;
    color: #166534 !important;
    border: 1px solid #dcfce7 !important;
}

.status-Rechazado {
    background-color: #fef2f2 !important;
    color: #991b1b !important;
    border: 1px solid #fee2e2 !important;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 500;
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
    line-height: 1.5;
    border-radius: var(--radius);
    transition: var(--transition);
    cursor: pointer;
    border: 1px solid transparent;
    text-decoration: none;
    gap: 0.5rem;
}

.btn-sm {
    padding: 0.25rem 0.5rem;
    font-size: 0.8rem;
}

.btn-primary {
    background-color: var(--primary-color);
    color: #fff;
    box-shadow: 0 1px 2px rgba(79, 70, 229, 0.3);
}

.btn-primary:hover {
    background-color: var(--primary-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 6px rgba(79, 70, 229, 0.25);
}

.btn-danger {
    background-color: var(--danger-color);
    color: #fff;
    box-shadow: 0 1px 2px rgba(239, 68, 68, 0.3);
}

.btn-danger:hover {
    background-color: #dc2626;
    transform: translateY(-1px);
    box-shadow: 0 4px 6px rgba(239, 68, 68, 0.25);
}

.btn-success {
    background-color: var(--success-color);
    color: #fff;
    box-shadow: 0 1px 2px rgba(16, 185, 129, 0.3);
}

.btn-success:hover {
    background-color: #059669;
    transform: translateY(-1px);
    box-shadow: 0 4px 6px rgba(16, 185, 129, 0.25);
}

.btn-secondary {
    background-color: #fff;
    color: var(--text-main);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background-color: #f8fafc;
    border-color: #cbd5e1;
}

/* Forms */
.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.4rem;
    font-weight: 500;
    color: var(--text-main);
    font-size: 0.85rem;
}

.form-control {
    width: 100%;
    padding: 0.625rem 0.875rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    font-size: 0.9rem;
    transition: var(--transition);
    background-color: #fff;
    font-family: inherit;
    color: var(--text-main);
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

/* Footer */
.main-footer {
    position: fixed;
    bottom: 0;
    left: 260px;
    width: calc(100% - 260px);
    background-color: #fff;
    padding: 1rem;
    text-align: center;
    border-top: 1px solid var(--border-color);
    color: var(--text-muted);
    font-size: 0.85rem;
    z-index: 50;
    transition: width 0.3s ease, left 0.3s ease;
}

/* Login Page Styles */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    padding: 1.5rem;
}

.login-card {
    background: var(--bg-card);
    width: 100%;
    max-width: 400px;
    padding: 2.5rem;
    border-radius: 1rem;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
}

.login-header {
    text-align: center;
    margin-bottom: 2rem;
}

.login-header h2 {
    color: var(--text-main);
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.login-header p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

.alert {
    padding: 0.75rem 1rem;
    border-radius: var(--radius);
    margin-bottom: 1.5rem;
    font-size: 0.875rem;
}

.alert-danger {
    background-color: #fef2f2;
    color: var(--danger-color);
    border: 1px solid #fee2e2;
}

/* QR Scanner Layout */
.qr-scanner-layout {
    display: grid;
    grid-template-columns: 1fr 400px;
    gap: 2rem;
}

/* --- RESPONSIVE STYLES --- */

/* Mobile Toggle Button */
.mobile-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-main);
    font-size: 1.5rem;
    cursor: pointer;
    margin-right: 1rem;
}

/* Sidebar Overlay */
.sidebar-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1500;
    backdrop-filter: blur(2px);
}

@media (max-width: 991px) {
    .sidebar {
        left: -260px;
        transition: left 0.3s ease;
    }

    .sidebar.mobile-show {
        left: 0;
    }

    .sidebar-overlay.show {
        display: block;
    }

    .main-content {
        margin-left: 0;
        width: 100%;
        padding: 1.5rem;
        padding-top: 5.5rem;
    }

    .top-navbar {
        left: 0 !important;
        width: 100% !important;
        padding: 0 1rem;
    }

    .main-footer {
        left: 0 !important;
        width: 100% !important;
    }

    .mobile-toggle {
        display: block;
    }

    #clockDate {
        display: none;
    }
}

@media (max-width: 767px) {
    .dashboard-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }

    .dashboard-grid {
        grid-template-columns: 1fr !important;
    }

    .qr-scanner-layout {
        grid-template-columns: 1fr !important;
    }

    .header-clock {
        padding: 0.3rem 0.6rem;
    }

    #clockTime {
        font-size: 0.9rem;
        min-width: 70px;
    }

    .profile-name {
        display: none;
    }

    .login-card {
        padding: 1.5rem;
    }
}

@media (max-width: 480px) {
    .top-navbar {
        height: 60px;
    }

    .main-content {
        padding-top: 5rem;
    }

    .brand {
        font-size: 1rem;
    }
}

/* Premium DataTables Buttons */
.dt-buttons {
    margin-bottom: 1rem !important;
    display: flex !important;
    gap: 0.5rem !important;
}

.dt-button {
    border: none !important;
    border-radius: 8px !important;
    padding: 0.35rem 1rem !important;
    font-size: 0.85rem !important;
    font-weight: 700 !important;
    color: white !important;
    display: flex !important;
    align-items: center !important;
    gap: 0.6rem !important;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1) !important;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06) !important;
    background: linear-gradient(135deg, #64748b 0%, #475569 100%) !important;
    /* Default Slate */
}

.dt-button:hover {
    transform: translateY(-2px) !important;
    box-shadow: 0 6px 12px -2px rgba(0, 0, 0, 0.15) !important;
    filter: brightness(1.1);
}

.dt-button.buttons-excel {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%) !important;
}

.dt-button.buttons-pdf {
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%) !important;
}

.dt-button.buttons-copy {
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%) !important;
}

.dt-button.buttons-print {
    background: linear-gradient(135deg, #8b5cf6 0%, #7c3aed 100%) !important;
}

.dt-button.buttons-csv {
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%) !important;
}

.dt-button i {
    font-size: 1rem;
}

/* DataTables UI Customizations */
.dataTables_wrapper .dataTables_filter {
    margin-bottom: 1.5rem !important;
}

.dataTables_wrapper .dataTables_filter input {
    border: 1.5px solid #e2e8f0 !important;
    border-radius: 10px !important;
    padding: 0.5rem 1rem !important;
    margin-left: 0.75rem !important;
    transition: var(--transition) !important;
}

.dataTables_wrapper .dataTables_filter input:focus {
    border-color: var(--primary-color) !important;
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1) !important;
}

.paging_simple_numbers .paginate_button {
    border-radius: 10px !important;
    border: none !important;
    padding: 0.5rem 1rem !important;
    margin: 0 0.2rem !important;
    font-weight: 600 !important;
}

.paging_simple_numbers .paginate_button.current {
    background: linear-gradient(135deg, #4f46e5 0%, #3730a3 100%) !important;
    color: white !important;
    box-shadow: 0 4px 6px rgba(79, 70, 229, 0.2) !important;
}

/* Premium Table Action Buttons */
.btn-action {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: none;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    color: white !important;
    text-decoration: none !important;
}

.btn-action:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    filter: brightness(1.1);
}

.btn-action:active {
    transform: translateY(0);
}

.btn-action-edit {
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
}

.btn-action-delete {
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
}

.btn-action-view {
    background: linear-gradient(135deg, #6366f1 0%, #4f46e5 100%);
}

.btn-action-report {
    background: linear-gradient(135deg, #64748b 0%, #475569 100%);
}

.btn-action i {
    font-size: 0.9rem;
}

/* High Urgency Geofencing Alert */
@keyframes pulse-red-alert {
    0% {
        transform: scale(1);
        box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.7);
    }

    70% {
        transform: scale(1.05);
        box-shadow: 0 0 0 10px rgba(239, 68, 68, 0);
    }

    100% {
        transform: scale(1);
        box-shadow: 0 0 0 0 rgba(239, 68, 68, 0);
    }
}

.alert-blink {
    background: #ef4444 !important;
    color: white !important;
    padding: 10px 20px !important;
    border-radius: 50px !important;
    font-weight: 800 !important;
    display: inline-block !important;
    margin-top: 15px !important;
    animation: pulse-red-alert 1.5s infinite !important;
    text-transform: uppercase !important;
    font-size: 0.85rem !important;
    box-shadow: 0 4px 15px rgba(239, 68, 68, 0.4) !important;
    border: 2px solid #ffffff !important;
}

/* Tooltip style refinement */
[title] {
    position: relative;
}