:root {
    --primary: #6C5CE7;
    --primary-dark: #5A4BD1;
    --secondary: #00CEC9;
    --success: #00B894;
    --danger: #E17055;
    --warning: #FDCB6E;
    --info: #74B9FF;
    --dark: #2D3436;
    --light: #F8F9FA;
    --bg-gradient-1: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --bg-gradient-2: linear-gradient(135deg, #6C5CE7 0%, #00CEC9 100%);
    --bg-gradient-3: linear-gradient(135deg, #00B894 0%, #00CEC9 100%);
    --bg-gradient-4: linear-gradient(135deg, #E17055 0%, #FDCB6E 100%);
    --glass-bg: rgba(255, 255, 255, 0.95);
    --glass-border: rgba(255, 255, 255, 0.3);
    --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    --sidebar-width: 260px;
    --sidebar-collapsed: 70px;
    --header-height: 70px;
    --transition: all 0.3s ease;
}

[data-theme="dark"] {
    --glass-bg: rgba(30, 30, 40, 0.95);
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    --dark: #F8F9FA;
    --light: #1a1a2e;
    --bs-body-color: #e0e0e0;
    --bs-body-bg: #0f0f23;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: var(--light);
    color: var(--dark);
    overflow-x: hidden;
}

.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    box-shadow: var(--glass-shadow);
    border-radius: 16px;
}

.glass-card:hover {
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
    transform: translateY(-2px);
    transition: var(--transition);
}

.card {
    border: none;
    border-radius: 16px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
    transition: var(--transition);
}

.card:hover { box-shadow: 0 4px 20px rgba(0, 0, 0, 0.12); }

.bg-gradient-login {
    background: linear-gradient(135deg, #0c0c1d 0%, #1a1a3e 50%, #2d1b69 100%);
    min-height: 100vh;
    position: relative;
    overflow: hidden;
}

.bg-gradient-login::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(108, 92, 231, 0.1) 0%, transparent 50%);
    animation: float 20s infinite;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(-30px, 30px); }
}

.login-card {
    background: rgba(255, 255, 255, 0.08) !important;
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.login-card .form-control {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: #fff;
}

.login-card .form-control:focus {
    background: rgba(255, 255, 255, 0.15);
    border-color: var(--primary);
    box-shadow: none;
}

.login-card .input-group-text {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: rgba(255, 255, 255, 0.7);
}

.login-card .form-label { color: rgba(255, 255, 255, 0.8); }
.login-card .form-check-label { color: rgba(255, 255, 255, 0.7); }
.login-card h3 { color: #fff; }
.login-card p { color: rgba(255, 255, 255, 0.6) !important; }
.login-icon i { color: var(--secondary); }

.btn-gradient-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    border: none;
    color: #fff;
    transition: var(--transition);
}

.btn-gradient-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(108, 92, 231, 0.4);
    color: #fff;
}

.btn-gradient-danger {
    background: linear-gradient(135deg, var(--danger) 0%, #d63031 100%);
    border: none;
    color: #fff;
}

.btn-gradient-success {
    background: linear-gradient(135deg, var(--success) 0%, var(--secondary) 100%);
    border: none;
    color: #fff;
}

.btn-gradient-info {
    background: linear-gradient(135deg, var(--info) 0%, var(--secondary) 100%);
    border: none;
    color: #fff;
}

.text-gradient-primary {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-card {
    padding: 1.5rem;
    border-radius: 16px;
    position: relative;
    overflow: hidden;
}

.stat-card .stat-icon {
    font-size: 2.5rem;
    opacity: 0.2;
    position: absolute;
    right: 1rem;
    bottom: 1rem;
}

.stat-card .stat-value {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.stat-card .stat-label {
    font-size: 0.875rem;
    opacity: 0.85;
}

.stat-card-bg-1 { background: linear-gradient(135deg, #6C5CE7 0%, #a29bfe 100%); color: #fff; }
.stat-card-bg-2 { background: linear-gradient(135deg, #00CEC9 0%, #81ecec 100%); color: #fff; }
.stat-card-bg-3 { background: linear-gradient(135deg, #00B894 0%, #55efc4 100%); color: #fff; }
.stat-card-bg-4 { background: linear-gradient(135deg, #E17055 0%, #fab1a0 100%); color: #fff; }
.stat-card-bg-5 { background: linear-gradient(135deg, #FDCB6E 0%, #ffeaa7 100%); color: #2d3436; }
.stat-card-bg-6 { background: linear-gradient(135deg, #74B9FF 0%, #a29bfe 100%); color: #fff; }

.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    height: 100%;
    width: var(--sidebar-width);
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border-right: 1px solid var(--glass-border);
    z-index: 1000;
    transition: var(--transition);
    overflow-y: auto;
    overflow-x: hidden;
}

.sidebar.collapsed { width: var(--sidebar-collapsed); }

.sidebar-header {
    padding: 1.25rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid rgba(0,0,0,0.05);
}

.sidebar-logo {
    font-size: 1.25rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    white-space: nowrap;
}

.sidebar-logo i { font-size: 1.5rem; color: var(--primary); }

.sidebar.collapsed .sidebar-logo span { display: none; }
.sidebar.collapsed .sidebar-logo { justify-content: center; }

.sidebar-nav { padding: 1rem 0; }

.sidebar-nav .nav-section {
    padding: 0.5rem 1.25rem;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: #999;
    font-weight: 600;
}

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

.sidebar-nav .nav-item {
    display: flex;
    align-items: center;
    padding: 0.625rem 1.25rem;
    color: var(--dark);
    text-decoration: none;
    transition: var(--transition);
    gap: 0.75rem;
    white-space: nowrap;
    border-left: 3px solid transparent;
}

.sidebar-nav .nav-item:hover,
.sidebar-nav .nav-item.active {
    background: rgba(108, 92, 231, 0.1);
    color: var(--primary);
    border-left-color: var(--primary);
}

.sidebar-nav .nav-item i { width: 20px; text-align: center; font-size: 1.1rem; }

.sidebar.collapsed .nav-item span { display: none; }
.sidebar.collapsed .nav-item { justify-content: center; padding: 0.75rem; }

.main-content {
    margin-left: var(--sidebar-width);
    transition: var(--transition);
    min-height: 100vh;
}

.main-content.expanded { margin-left: var(--sidebar-collapsed); }

.header {
    position: fixed;
    top: 0;
    right: 0;
    left: var(--sidebar-width);
    height: var(--header-height);
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 1.5rem;
    z-index: 999;
    transition: var(--transition);
}

.header.expanded { left: var(--sidebar-collapsed); }

.header-left { display: flex; align-items: center; gap: 1rem; }

.header-right { display: flex; align-items: center; gap: 1rem; }

.notification-badge {
    position: absolute;
    top: -5px;
    right: -5px;
    font-size: 0.6rem;
    padding: 0.2rem 0.4rem;
}

.notification-btn { position: relative; }

.page-content {
    padding-top: calc(var(--header-height) + 1.5rem);
    padding-bottom: 1.5rem;
    padding-left: 1.5rem;
    padding-right: 1.5rem;
}

.table-container {
    background: var(--glass-bg);
    border-radius: 16px;
    padding: 1.5rem;
    box-shadow: var(--glass-shadow);
}

.table th {
    font-weight: 600;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: #888;
    border-bottom: 2px solid rgba(0,0,0,0.05);
}

.table td { vertical-align: middle; }

.avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
}

.avatar-sm { width: 32px; height: 32px; }
.avatar-lg { width: 80px; height: 80px; }
.avatar-xl { width: 120px; height: 120px; }

.avatar-placeholder {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 1rem;
}

.form-control, .form-select {
    border-radius: 10px;
    padding: 0.5rem 1rem;
    border: 1px solid rgba(0,0,0,0.1);
    transition: var(--transition);
}

.form-control:focus, .form-select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(108, 92, 231, 0.15);
}

.modal-content {
    border: none;
    border-radius: 16px;
}

.attendance-photo {
    width: 100%;
    max-height: 300px;
    object-fit: cover;
    border-radius: 12px;
}

.map-container {
    width: 100%;
    height: 400px;
    border-radius: 16px;
    overflow: hidden;
}

.face-match-circle {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 auto;
}

.face-match-high { background: #00b894; color: #fff; }
.face-match-medium { background: #fdcb6e; color: #2d3436; }
.face-match-low { background: #e17055; color: #fff; }

.leaflet-container { border-radius: 16px; }

.timeline {
    position: relative;
    padding-left: 2rem;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--primary), var(--secondary));
}

.timeline-item {
    position: relative;
    padding-bottom: 1.5rem;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -2.35rem;
    top: 0.25rem;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--primary);
    border: 2px solid #fff;
}

.incident-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition);
}

.incident-image:hover { transform: scale(1.05); }

.loading-spinner {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 200px;
}

.offline-indicator {
    position: fixed;
    bottom: 1rem;
    right: 1rem;
    z-index: 9999;
}

@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
        width: var(--sidebar-width) !important;
    }
    .sidebar.show { transform: translateX(0); }
    .main-content { margin-left: 0; }
    .main-content.expanded { margin-left: 0; }
    .header { left: 0; }
    .header.expanded { left: 0; }
    .page-content { padding: 1rem; padding-top: calc(var(--header-height) + 1rem); }
}

.animate__fadeIn { animation: fadeIn 0.3s ease; }
.animate__slideInUp { animation: slideInUp 0.4s ease; }
.animate__slideInLeft { animation: slideInLeft 0.4s ease; }

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

.print-only { display: none; }
@media print {
    .no-print { display: none !important; }
    .print-only { display: block !important; }
    .main-content { margin-left: 0 !important; }
}

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(108, 92, 231, 0.3); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(108, 92, 231, 0.5); }

.dataTables_wrapper .dataTables_filter input { border-radius: 8px !important; }

.dropdown-menu {
    border: none;
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.15);
}

.profile-dropdown .dropdown-item {
    padding: 0.5rem 1rem;
    border-radius: 8px;
    transition: var(--transition);
}

.profile-dropdown .dropdown-item:hover { background: rgba(108, 92, 231, 0.1); }

.chart-container {
    position: relative;
    height: 300px;
    width: 100%;
}