:root {
    --sidebar-width: 210px;
    
    /* Default / Light Theme */
    --bg-body: #f8fafc;
    --bg-sidebar: #1e293b;
    --bg-card: #ffffff;
    --bg-navbar: #ffffff;
    --bg-topbar: #ffffff;
    --text-main: #334155;
    --text-muted: #64748b;
    --text-title: #0f172a;
    --border-color: #e2e8f0;
    --primary: #3b82f6;
    --primary-hover: #2563eb;
    --danger: #ef4444;
    --success: #22c55e;
    --warning: #f59e0b;
    --card-shadow: 0 4px 20px rgba(15, 23, 42, 0.08);
    --input-bg: #ffffff;
    --table-hover: #f8fafc;
    --dark: #1e293b;
    --light-bg: #f1f5f9;
}

[data-theme="dark"] {
    /* Theme colors - Dark Mode */
    --bg-body: #0f172a;
    --bg-sidebar: #111827;
    --bg-card: #1e293b;
    --bg-navbar: #111827;
    --bg-topbar: #111827;
    --text-main: #cbd5e1;
    --text-muted: #cbd5e1;
    --text-title: #f8fafc;
    --border-color: #334155;
    --primary: #3b82f6;
    --primary-hover: #2563eb;
    --danger: #ef4444;
    --success: #22c55e;
    --warning: #f59e0b;
    --card-shadow: 0 4px 30px rgba(0, 0, 0, 0.4);
    --input-bg: #1e293b;
    --table-hover: #1e293b;
    --dark: #f8fafc;
    --light-bg: #0f172a;
}

/* Base transitions for dark/light switch */
body, .card, .topbar, .sidebar, .form-control, .form-select, .table, .btn, .modal-content, .dropdown-menu, .theme-toggle-btn {
    transition: background-color 0.25s ease, color 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

/* Bootstrap Overrides for Dark Mode */
[data-theme="dark"] .text-dark {
    color: var(--text-title) !important;
}
[data-theme="dark"] .text-secondary,
[data-theme="dark"] .text-muted {
    color: var(--text-muted) !important;
}
[data-theme="dark"] .bg-white {
    background-color: var(--bg-card) !important;
}
[data-theme="dark"] .bg-light {
    background-color: var(--light-bg) !important;
}
[data-theme="dark"] .border,
[data-theme="dark"] .border-top,
[data-theme="dark"] .border-bottom,
[data-theme="dark"] .border-start,
[data-theme="dark"] .border-end {
    border-color: var(--border-color) !important;
}
[data-theme="dark"] .card {
    background-color: var(--bg-card) !important;
    border-color: var(--border-color) !important;
}
[data-theme="dark"] .form-control,
[data-theme="dark"] .form-select {
    background-color: var(--input-bg) !important;
    border-color: var(--border-color) !important;
    color: var(--text-main) !important;
}
[data-theme="dark"] .form-control::placeholder {
    color: var(--text-muted) !important;
}
[data-theme="dark"] .table {
    color: var(--text-main) !important;
    border-color: var(--border-color) !important;
}
[data-theme="dark"] .table td,
[data-theme="dark"] .table th {
    background-color: var(--bg-card) !important;
    color: var(--text-main) !important;
    border-color: var(--border-color) !important;
}
[data-theme="dark"] .modal-content {
    background-color: var(--bg-card) !important;
    border-color: var(--border-color) !important;
    color: var(--text-main) !important;
}
[data-theme="dark"] .modal-header,
[data-theme="dark"] .modal-footer {
    border-color: var(--border-color) !important;
}
[data-theme="dark"] .btn-close {
    filter: invert(1) grayscale(1) brightness(2);
}
[data-theme="dark"] .list-group-item {
    background-color: var(--bg-card) !important;
    color: var(--text-main) !important;
    border-color: var(--border-color) !important;
}

/* Theme Toggle Button Style */
.theme-toggle-btn {
    border-radius: 50% !important;
    width: 34px;
    height: 34px;
    font-size: 1.1rem;
    border: 1px solid var(--border-color) !important;
    background: var(--bg-card) !important;
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}
.theme-toggle-btn:hover {
    transform: scale(1.08) rotate(15deg);
    background: var(--border-color) !important;
}

/* Sticky table header */
.table-sticky thead th {
    position: sticky;
    top: 0;
    z-index: 10;
    background: #3b82f6 !important;
    color: #fff !important;
}

/* Compact stat cards */
.stat-card-compact {
    background: var(--bg-card);
    border-radius: 12px;
    padding: 1rem 1.25rem;
    box-shadow: var(--card-shadow);
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

/* Cell colors */
.cell-present {
    background-color: #dcfce7 !important;
    color: #166534 !important;
}
[data-theme="dark"] .cell-present {
    background-color: rgba(22, 101, 52, 0.3) !important;
    color: #4ade80 !important;
}

.cell-absent {
    background-color: #fee2e2 !important;
    color: #991b1b !important;
}
[data-theme="dark"] .cell-absent {
    background-color: rgba(153, 27, 27, 0.3) !important;
    color: #fca5a5 !important;
}

.cell-total {
    background-color: #dbeafe !important;
    color: #1e40af !important;
}
[data-theme="dark"] .cell-total {
    background-color: rgba(30, 64, 175, 0.3) !important;
    color: #93c5fd !important;
}

.cell-overtime {
    background-color: #fef9c3 !important;
    color: #854d0e !important;
}
[data-theme="dark"] .cell-overtime {
    background-color: rgba(133, 77, 14, 0.3) !important;
    color: #fde047 !important;
}

* {
    box-sizing: border-box;
}

body {
    font-family: 'Plus Jakarta Sans', 'Outfit', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: var(--bg-body);
    color: var(--text-main);
    margin: 0;
    transition: background-color 0.3s ease, color 0.3s ease;
}

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

.sidebar {
    width: var(--sidebar-width);
    background: var(--bg-sidebar);
    color: #fff;
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    z-index: 1000;
    overflow-y: auto;
    transition: transform 0.3s ease, background 0.3s ease;
}

.sidebar-brand {
    padding: 1.5rem;
    font-size: 1.1rem;
    font-weight: 700;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.sidebar-brand i {
    font-size: 1.5rem;
    color: #818cf8;
}

.sidebar-user {
    padding: 1rem 1.5rem;
    background: rgba(255, 255, 255, 0.05);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.sidebar-user small {
    display: block;
    opacity: 0.7;
    font-size: 0.75rem;
}

.sidebar-nav {
    list-style: none;
    padding: 1rem 0;
    margin: 0;
}

.sidebar-nav li a {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.85rem 1.5rem;
    color: rgba(255, 255, 255, 0.75);
    text-decoration: none;
    transition: all 0.2s;
    border-left: 3px solid transparent;
}

.sidebar-nav li a:hover,
.sidebar-nav li a.active {
    background: var(--bg-sidebar-hover);
    color: #fff;
    border-left-color: #818cf8;
}

.main-content {
    margin-left: var(--sidebar-width);
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.topbar {
    background: var(--bg-topbar);
    border-bottom: 1px solid var(--border-color);
    padding: 0.75rem 0;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
    transition: background-color 0.3s ease, border-color 0.3s ease;
}

.page-title {
    color: #3B82F6 !important;
    font-size: 32px;
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: 25px;
    letter-spacing: 0.5px;
}

.page-title::after {
    content: '';
    display: block;
    width: 70px;
    height: 4px;
    background: #3B82F6;
    margin-top: 10px;
    border-radius: 10px;
}

@media (max-width: 992px) {
    .page-title {
        font-size: 28px;
    }
}

@media (max-width: 576px) {
    .page-title {
        font-size: 24px;
    }
}

.user-badge {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.content-area {
    flex: 1;
}

.footer-bar {
    background: var(--bg-topbar);
    border-top: 1px solid var(--border-color);
    color: var(--text-muted);
    transition: background-color 0.3s ease, border-color 0.3s ease;
}

.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 999;
}

/* ---- Stat Cards ---- */
.stat-card {
    background: var(--bg-card);
    border-radius: 16px;
    padding: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1.25rem;
    box-shadow: var(--card-shadow);
    border: 1px solid var(--border-color);
    transition: transform 0.2s, background-color 0.3s, border-color 0.3s;
}

.stat-card:hover {
    transform: translateY(-3px);
}

.stat-icon {
    width: 64px;
    height: 64px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    color: #fff;
}

.stat-primary .stat-icon { background: linear-gradient(135deg, #6366f1, #4f46e5); }
.stat-success .stat-icon { background: linear-gradient(135deg, #34d399, #10b981); }
.stat-warning .stat-icon { background: linear-gradient(135deg, #fbbf24, #f59e0b); }

.stat-info h3 {
    font-size: 2rem;
    font-weight: 700;
    margin: 0;
    color: var(--text-title);
}

.stat-info p {
    margin: 0;
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* ---- Cards ---- */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 14px;
    transition: background-color 0.3s, border-color 0.3s;
}

.card-header {
    background: transparent;
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 1.25rem;
    font-weight: 600;
    color: var(--text-title);
}

/* ---- Login ---- */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.login-wrapper {
    width: 100%;
    max-width: 420px;
    padding: 1rem;
}

.login-card {
    background: var(--bg-card);
    color: var(--text-main);
    border-radius: 20px;
    padding: 2.5rem;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-color);
}

.login-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
}

.login-logo img {
    max-width: 150px;
    max-height: 120px;
    object-fit: contain;
    border-radius: 12px;
}

.login-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, #6366f1, #4f46e5);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    color: #fff;
    font-size: 2rem;
}

.sidebar-logo {
    width: 40px;
    height: 40px;
    object-fit: contain;
    border-radius: 8px;
}

.login-header h1 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--dark);
}

.login-footer {
    border-top: 1px solid #e2e8f0;
    padding-top: 1rem;
}

/* ---- Employee thumb ---- */
.emp-thumb {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid #e2e8f0;
}

.emp-thumb-placeholder {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: #e2e8f0;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #94a3b8;
}

/* ---- Badge ---- */
.badge-page {
    background: #e2e8f0;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.badge-container {
    text-align: center;
}

.employee-badge {
    width: 340px;
    background: #fff;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
    margin: 0 auto;
}

.badge-header {
    background: linear-gradient(135deg, #4f46e5, #7c3aed);
    color: #fff;
    padding: 0.75rem;
    font-weight: 600;
    font-size: 0.9rem;
}

.badge-body {
    padding: 1.5rem;
}

.badge-photo img,
.badge-photo-placeholder {
    width: 90px;
    height: 90px;
    border-radius: 50%;
    object-fit: cover;
    margin: 0 auto 1rem;
    border: 3px solid #4f46e5;
}

.badge-photo-placeholder {
    background: #e2e8f0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: #94a3b8;
}

.badge-info h2 {
    font-size: 1.25rem;
    margin-bottom: 0.25rem;
    color: var(--dark);
}

.badge-matricule {
    font-family: monospace;
    font-size: 1.1rem;
    color: #4f46e5;
    font-weight: 700;
}

.badge-poste {
    color: #64748b;
    margin-bottom: 1rem;
}

.badge-qr img {
    width: 100px;
    height: 100px;
}

.badge-qr small {
    display: block;
    color: #94a3b8;
    margin-top: 0.5rem;
}

/* ---- PDF ---- */
.pdf-page {
    background: #525659;
    min-height: 100vh;
    padding: 2rem;
}

.pdf-toolbar {
    text-align: center;
    margin-bottom: 1.5rem;
}

.pdf-document {
    max-width: 800px;
    margin: 0 auto;
    background: #fff;
    padding: 2.5rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.pdf-header {
    display: flex;
    justify-content: space-between;
    border-bottom: 3px solid #4f46e5;
    padding-bottom: 1rem;
    margin-bottom: 2rem;
}

.pdf-header h1 {
    font-size: 1.5rem;
    color: #4f46e5;
    margin: 0;
}

.pdf-title h2 {
    font-size: 1.25rem;
    text-align: right;
    margin: 0;
}

.pdf-content {
    display: flex;
    gap: 2rem;
}

.pdf-photo-box img {
    width: 140px;
    height: 170px;
    object-fit: cover;
    border: 1px solid #e2e8f0;
}

.pdf-photo-placeholder {
    width: 140px;
    height: 170px;
    background: #f1f5f9;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #94a3b8;
    border: 1px solid #e2e8f0;
}

.pdf-table {
    flex: 1;
    width: 100%;
    border-collapse: collapse;
}

.pdf-table th,
.pdf-table td {
    border: 1px solid #e2e8f0;
    padding: 0.6rem 1rem;
    text-align: left;
}

.pdf-table th {
    background: #f8fafc;
    width: 35%;
    font-weight: 600;
}

.pdf-footer {
    margin-top: 2rem;
    padding-top: 1rem;
    border-top: 1px solid #e2e8f0;
    text-align: center;
    color: #94a3b8;
    font-size: 0.85rem;
}

/* ---- Buttons ---- */
.btn-primary {
    background: var(--primary);
    border-color: var(--primary);
}

.btn-primary:hover {
    background: var(--primary-dark);
    border-color: var(--primary-dark);
}

/* ---- Gradient Styles ---- */
.bg-gradient-primary {
    background: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);
}



/* ---- Responsive ---- */
@media (max-width: 991.98px) {
    .sidebar {
        transform: translateX(-100%);
    }

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

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

    .main-content {
        margin-left: 0;
        width: 100%;
        max-width: 100%;
        overflow-x: hidden;
    }

    .pdf-content {
        flex-direction: column;
    }

    /* Avoid double container gutters on mobile */
    .content-area.container-fluid {
        padding-left: 12px !important;
        padding-right: 12px !important;
    }
    .content-area.container-fluid .container-fluid {
        padding-left: 0 !important;
        padding-right: 0 !important;
    }

    .topbar .container-fluid {
        padding-left: 8px !important;
        padding-right: 8px !important;
    }

    .row.g-4 {
        --bs-gutter-x: 1rem;
        --bs-gutter-y: 1rem;
    }

    .page-title {
        font-size: 20px !important;
        margin-bottom: 15px !important;
    }
    .page-title::after {
        margin-top: 6px !important;
        width: 45px !important;
        height: 3px !important;
    }
}

@media (max-width: 576px) {
    .stat-card, .erp-stat-card {
        padding: 0.85rem !important;
        gap: 0.75rem !important;
    }
    .stat-icon, .erp-stat-icon {
        width: 44px !important;
        height: 44px !important;
        font-size: 1.25rem !important;
        border-radius: 10px !important;
    }
    .stat-info h3, .erp-stat-card h4 {
        font-size: 1.35rem !important;
    }
    .content-area {
        padding-top: 0.75rem !important;
        padding-bottom: 0.75rem !important;
    }
    .d-flex.flex-wrap.gap-2.no-print {
        width: 100%;
        justify-content: flex-start;
    }
    .d-flex.flex-wrap.gap-2.no-print a,
    .d-flex.flex-wrap.gap-2.no-print button {
        flex: 1 1 auto;
        text-align: center;
        justify-content: center;
        font-size: 0.85rem;
        padding: 0.4rem 0.75rem !important;
    }
    .card-body {
        padding: 1rem 0.75rem !important;
    }
}

@media print {
    .no-print {
        display: none !important;
    }

    body.badge-page,
    body.pdf-page {
        background: #fff;
        padding: 0;
    }

    .pdf-document {
        box-shadow: none;
        max-width: 100%;
    }

    .employee-badge {
        box-shadow: none;
    }
}

/* ============================================================
   Dark Mode Bootstrap & Custom Component Overrides
   ============================================================ */

/* Inputs & Forms */
[data-theme="dark"] .form-control,
[data-theme="dark"] .form-select,
[data-theme="dark"] .form-control:focus,
[data-theme="dark"] .form-select:focus {
    background-color: var(--input-bg);
    border-color: var(--border-color);
    color: var(--text-main);
}
[data-theme="dark"] .form-control::placeholder {
    color: var(--text-muted);
}
[data-theme="dark"] .form-label {
    color: var(--text-main) !important;
}

/* Tables & Lists */
[data-theme="dark"] .table {
    --bs-table-color: var(--text-main);
    --bs-table-bg: var(--bg-card);
    --bs-table-border-color: var(--border-color);
    --bs-table-striped-bg: rgba(255, 255, 255, 0.02);
    --bs-table-hover-bg: var(--table-hover);
}
[data-theme="dark"] .table th, 
[data-theme="dark"] .table td {
    color: var(--text-main) !important;
    border-color: var(--border-color) !important;
}
[data-theme="dark"] .table-erp thead th {
    background-color: #1e293b !important;
    color: #f8fafc !important;
    border-color: var(--border-color) !important;
}
[data-theme="dark"] .table-hover tbody tr:hover {
    background-color: var(--table-hover) !important;
}

/* Modals & Dropdowns */
[data-theme="dark"] .modal-content {
    background-color: var(--bg-card);
    border-color: var(--border-color);
    color: var(--text-main);
}
[data-theme="dark"] .modal-header,
[data-theme="dark"] .modal-footer {
    border-color: var(--border-color);
}
[data-theme="dark"] .dropdown-menu {
    background-color: var(--bg-card);
    border-color: var(--border-color);
    color: var(--text-main);
}
[data-theme="dark"] .dropdown-item {
    color: var(--text-main);
}
[data-theme="dark"] .dropdown-item:hover {
    background-color: var(--table-hover);
    color: var(--text-title);
}

/* Misc Utilities & Badges */
[data-theme="dark"] .card,
[data-theme="dark"] .card-body,
[data-theme="dark"] .card-header,
[data-theme="dark"] .card-footer {
    color: var(--text-main) !important;
}
[data-theme="dark"] .card h1,
[data-theme="dark"] .card h2,
[data-theme="dark"] .card h3,
[data-theme="dark"] .card h4,
[data-theme="dark"] .card h5,
[data-theme="dark"] .card h6 {
    color: var(--text-title) !important;
}
[data-theme="dark"] .bg-white {
    background-color: var(--bg-card) !important;
}
[data-theme="dark"] .bg-light {
    background-color: var(--input-bg) !important;
}
[data-theme="dark"] .border {
    border-color: var(--border-color) !important;
}
[data-theme="dark"] .text-dark {
    color: var(--text-title) !important;
}
[data-theme="dark"] .text-muted {
    color: var(--text-muted) !important;
}
[data-theme="dark"] .badge {
    border-color: var(--border-color) !important;
}
[data-theme="dark"] .badge-code {
    background-color: var(--bg-body);
    color: #818cf8;
}
[data-theme="dark"] .emp-photo-placeholder,
[data-theme="dark"] .emp-thumb-placeholder {
    background-color: var(--bg-body) !important;
    color: var(--text-muted);
}
[data-theme="dark"] .badge-page,
[data-theme="dark"] .pdf-page {
    background-color: var(--bg-body) !important;
}
[data-theme="dark"] .employee-badge,
[data-theme="dark"] .pdf-document {
    background-color: var(--bg-card) !important;
    color: var(--text-main);
    box-shadow: var(--card-shadow);
}
[data-theme="dark"] .pdf-table th {
    background-color: var(--input-bg) !important;
    color: var(--text-main);
}

/* Lang Switcher in dark mode */
[data-theme="dark"] .lang-switcher-topbar {
    background-color: var(--input-bg) !important;
    border-color: var(--border-color) !important;
}
[data-theme="dark"] .lang-switcher-topbar .btn-light {
    background-color: var(--input-bg);
    color: var(--text-muted) !important;
}
[data-theme="dark"] .lang-switcher-topbar .btn-light:hover {
    background-color: var(--table-hover);
}

/* Animations and transitions for UI components */
.card, .stat-card, .btn, .nav-link, .sidebar-nav li a, .form-control, .form-select, .table tbody tr, .theme-toggle-btn {
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Premium micro-animations */
.btn:active {
    transform: scale(0.98);
}
.sidebar-nav li a:hover {
    padding-left: 1.75rem;
}
.table tbody tr:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.03);
}
[data-theme="dark"] .table tbody tr:hover {
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

/* Responsive Overrides */
@media (max-width: 768px) {
    .table-responsive {
        border-radius: 8px;
        overflow-x: auto;
    }
    .table-erp th, .table-erp td {
        white-space: nowrap;
        padding: 0.75rem 0.5rem !important;
    }
    /* Smooth scaling of input items on mobile */
    .form-control, .form-select {
        font-size: 16px !important; /* Prevents default iOS page zoom */
    }
    /* Wrap button layout and align elements cleanly */
    .d-flex.align-items-center.justify-content-between,
    .d-flex.justify-content-between.align-items-center {
        flex-direction: column;
        align-items: flex-start !important;
        gap: 0.75rem;
    }
    .d-flex.align-items-center.justify-content-between > *,
    .d-flex.justify-content-between.align-items-center > * {
        width: 100%;
    }
}