:root {
    /* === Color Palette === */
    --primary: #6366f1;
    --primary-hover: #4f46e5;
    --primary-light: rgba(99, 102, 241, 0.15);
    --primary-glow: rgba(99, 102, 241, 0.4);
    --secondary: #8b5cf6;
    --accent: #06b6d4;
    --accent-light: rgba(6, 182, 212, 0.15);
    --success: #10b981;
    --success-light: rgba(16, 185, 129, 0.15);
    --warning: #f59e0b;
    --warning-light: rgba(245, 158, 11, 0.15);
    --danger: #ef4444;
    --danger-light: rgba(239, 68, 68, 0.15);
    --info: #3b82f6;
    --info-light: rgba(59, 130, 246, 0.15);

    /* === Dark Theme (Default) === */
    --bg-body: #0f0f1a;
    --bg-card: #1a1a2e;
    --bg-card-hover: #1e1e35;
    --bg-sidebar: #12121f;
    --bg-input: #16162b;
    --bg-modal: #1a1a2e;
    --bg-table-header: #16162b;
    --bg-table-row: #1a1a2e;
    --bg-table-row-hover: #1e1e35;
    --bg-dropdown: #1e1e35;
    
    --border-color: rgba(99, 102, 241, 0.15);
    --border-light: rgba(255, 255, 255, 0.06);
    
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --text-link: #818cf8;
    
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 20px var(--primary-glow);
    
    /* === Layout === */
    --sidebar-width: 280px;
    --sidebar-collapsed: 72px;
    --header-height: 70px;
    --border-radius: 12px;
    --border-radius-sm: 8px;
    --border-radius-lg: 16px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* === Light Theme === */
[data-theme="light"] {
    --bg-body: #f0f2f5;
    --bg-card: #ffffff;
    --bg-card-hover: #f8fafc;
    --bg-sidebar: #ffffff;
    --bg-input: #f8fafc;
    --bg-modal: #ffffff;
    --bg-table-header: #f8fafc;
    --bg-table-row: #ffffff;
    --bg-table-row-hover: #f1f5f9;
    --bg-dropdown: #ffffff;
    
    --border-color: rgba(99, 102, 241, 0.2);
    --border-light: rgba(0, 0, 0, 0.06);
    
    --text-primary: #1e293b;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    --text-link: #6366f1;
    
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
    --shadow-glow: 0 0 20px rgba(99, 102, 241, 0.15);
}

/* === Reset & Base === */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-body);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    color: var(--text-link);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--primary-hover);
}

img {
    max-width: 100%;
}

/* === Scrollbar === */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: var(--text-muted);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-secondary);
}

/* === Login Page === */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-body);
    position: relative;
    overflow: hidden;
}

.login-page::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at 30% 50%, var(--primary-light), transparent 50%),
                radial-gradient(circle at 70% 80%, rgba(139, 92, 246, 0.1), transparent 40%),
                radial-gradient(circle at 50% 20%, rgba(6, 182, 212, 0.08), transparent 40%);
    animation: loginBgMove 20s ease-in-out infinite;
}

@keyframes loginBgMove {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    33% { transform: translate(-20px, 20px) rotate(1deg); }
    66% { transform: translate(20px, -10px) rotate(-1deg); }
}

.login-container {
    position: relative;
    width: 100%;
    max-width: 440px;
    padding: 20px;
    z-index: 1;
}

.login-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: 48px 40px;
    box-shadow: var(--shadow-lg);
    backdrop-filter: blur(20px);
}

.login-logo {
    text-align: center;
    margin-bottom: 36px;
}

.login-logo .logo-icon {
    width: 72px;
    height: 72px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    box-shadow: var(--shadow-glow);
    font-size: 32px;
    color: white;
}

.login-logo h1 {
    font-size: 24px;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.login-logo p {
    color: var(--text-secondary);
    font-size: 14px;
    margin-top: 4px;
}

/* === Form Elements === */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-control {
    width: 100%;
    padding: 12px 16px;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    color: var(--text-primary);
    font-size: 15px;
    font-family: inherit;
    transition: var(--transition);
    outline: none;
}

.form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-light);
}

.form-control::placeholder {
    color: var(--text-muted);
}

.input-icon-wrapper {
    position: relative;
}

.input-icon-wrapper .form-control {
    padding-left: 44px;
}

.input-icon-wrapper i {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 16px;
}

.input-icon-wrapper .toggle-password {
    position: absolute;
    right: 16px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 16px;
    left: auto;
}

select.form-control {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2394a3b8' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    padding-right: 40px;
}

textarea.form-control {
    resize: vertical;
    min-height: 100px;
}

/* === Buttons === */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border: none;
    border-radius: var(--border-radius-sm);
    font-size: 14px;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    white-space: nowrap;
}

.btn i {
    font-size: 16px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    box-shadow: 0 4px 12px var(--primary-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px var(--primary-glow);
    color: white;
}

.btn-secondary {
    background: var(--bg-input);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: var(--bg-card-hover);
    border-color: var(--primary);
    color: var(--text-primary);
}

.btn-success {
    background: linear-gradient(135deg, var(--success), #059669);
    color: white;
}

.btn-success:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.4);
    color: white;
}

.btn-danger {
    background: linear-gradient(135deg, var(--danger), #dc2626);
    color: white;
}

.btn-danger:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(239, 68, 68, 0.4);
    color: white;
}

.btn-warning {
    background: linear-gradient(135deg, var(--warning), #d97706);
    color: white;
}

.btn-info {
    background: linear-gradient(135deg, var(--info), #2563eb);
    color: white;
}

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

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

.btn-sm {
    padding: 8px 16px;
    font-size: 13px;
}

.btn-lg {
    padding: 16px 32px;
    font-size: 16px;
}

.btn-block {
    width: 100%;
}

.btn-icon {
    width: 40px;
    height: 40px;
    padding: 0;
    border-radius: var(--border-radius-sm);
}

.btn-icon.btn-sm {
    width: 32px;
    height: 32px;
}

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

/* === Sidebar === */
.sidebar {
    width: var(--sidebar-width);
    background: var(--bg-sidebar);
    border-right: 1px solid var(--border-light);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    z-index: 1000;
    transition: var(--transition);
    overflow-y: auto;
    overflow-x: hidden;
}

.sidebar-header {
    padding: 24px 20px;
    display: flex;
    align-items: center;
    gap: 14px;
    border-bottom: 1px solid var(--border-light);
    flex-shrink: 0;
}

.sidebar-header .logo-icon {
    width: 44px;
    height: 44px;
    min-width: 44px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: white;
    box-shadow: 0 4px 12px var(--primary-glow);
}

.sidebar-header .logo-text h2 {
    font-size: 18px;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
}

.sidebar-header .logo-text span {
    font-size: 11px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.sidebar-nav {
    padding: 16px 12px;
    flex: 1;
}

.nav-section {
    margin-bottom: 24px;
}

.nav-section-title {
    font-size: 11px;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    padding: 0 12px;
    margin-bottom: 8px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 11px 16px;
    border-radius: var(--border-radius-sm);
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 500;
    transition: var(--transition);
    margin-bottom: 2px;
    position: relative;
}

.nav-item i {
    font-size: 18px;
    width: 22px;
    text-align: center;
    flex-shrink: 0;
}

.nav-item:hover {
    background: var(--primary-light);
    color: var(--primary);
}

.nav-item.active {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    box-shadow: 0 4px 12px var(--primary-glow);
}

.nav-item .badge-nav {
    margin-left: auto;
    background: var(--danger);
    color: white;
    font-size: 11px;
    font-weight: 700;
    padding: 2px 8px;
    border-radius: 10px;
    min-width: 20px;
    text-align: center;
}

.sidebar-footer {
    padding: 16px 12px;
    border-top: 1px solid var(--border-light);
    flex-shrink: 0;
}

.sidebar-user {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    border-radius: var(--border-radius-sm);
    transition: var(--transition);
}

.sidebar-user:hover {
    background: var(--bg-card-hover);
}

.sidebar-user .user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    font-weight: 700;
    color: white;
    flex-shrink: 0;
    overflow: hidden;
}

.sidebar-user .user-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.sidebar-user .user-info h4 {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
}

.sidebar-user .user-info span {
    font-size: 12px;
    color: var(--text-muted);
}

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

/* === Header === */
.top-header {
    height: var(--header-height);
    background: var(--bg-card);
    border-bottom: 1px solid var(--border-light);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 28px;
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(20px);
}

.header-left {
    display: flex;
    align-items: center;
    gap: 16px;
}

.header-left h1 {
    font-size: 20px;
    font-weight: 700;
}

.header-left .breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--text-muted);
}

.header-left .breadcrumb a {
    color: var(--text-muted);
}

.header-left .breadcrumb a:hover {
    color: var(--primary);
}

.header-right {
    display: flex;
    align-items: center;
    gap: 12px;
}

.header-btn {
    width: 42px;
    height: 42px;
    border: none;
    background: var(--bg-input);
    border-radius: var(--border-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    font-size: 18px;
}

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

.header-btn .notification-dot {
    position: absolute;
    top: 8px;
    right: 8px;
    width: 8px;
    height: 8px;
    background: var(--danger);
    border-radius: 50%;
    border: 2px solid var(--bg-card);
}

.shift-badge {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
}

.shift-badge.diurno {
    background: var(--warning-light);
    color: var(--warning);
}

.shift-badge.noturno {
    background: rgba(99, 102, 241, 0.15);
    color: var(--primary);
}

.menu-toggle {
    display: none;
    width: 42px;
    height: 42px;
    border: none;
    background: var(--bg-input);
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    color: var(--text-primary);
    font-size: 20px;
    align-items: center;
    justify-content: center;
}

/* === Page Content === */
.page-content {
    padding: 28px;
    flex: 1;
}

.page-title-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 28px;
    flex-wrap: wrap;
    gap: 16px;
}

.page-title-bar h2 {
    font-size: 24px;
    font-weight: 700;
}

.page-title-bar p {
    color: var(--text-secondary);
    font-size: 14px;
    margin-top: 4px;
}

/* === Cards === */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    overflow: hidden;
}

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

.card-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-light);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-header h3 {
    font-size: 16px;
    font-weight: 700;
}

.card-body {
    padding: 24px;
}

.card-footer {
    padding: 16px 24px;
    border-top: 1px solid var(--border-light);
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 12px;
}

/* === Stats Cards === */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 20px;
    margin-bottom: 28px;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--border-radius);
    padding: 24px;
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
}

.stat-card.primary::before { background: linear-gradient(90deg, var(--primary), var(--secondary)); }
.stat-card.success::before { background: linear-gradient(90deg, var(--success), #059669); }
.stat-card.warning::before { background: linear-gradient(90deg, var(--warning), #d97706); }
.stat-card.danger::before { background: linear-gradient(90deg, var(--danger), #dc2626); }
.stat-card.info::before { background: linear-gradient(90deg, var(--info), #2563eb); }
.stat-card.accent::before { background: linear-gradient(90deg, var(--accent), #0891b2); }

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

.stat-info h4 {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 8px;
}

.stat-info .stat-value {
    font-size: 32px;
    font-weight: 800;
    line-height: 1;
    margin-bottom: 8px;
}

.stat-card.primary .stat-value { color: var(--primary); }
.stat-card.success .stat-value { color: var(--success); }
.stat-card.warning .stat-value { color: var(--warning); }
.stat-card.danger .stat-value { color: var(--danger); }
.stat-card.info .stat-value { color: var(--info); }
.stat-card.accent .stat-value { color: var(--accent); }

.stat-info .stat-change {
    font-size: 12px;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 4px;
}

.stat-info .stat-change.up { color: var(--success); }
.stat-info .stat-change.down { color: var(--danger); }

.stat-icon {
    width: 52px;
    height: 52px;
    border-radius: var(--border-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    flex-shrink: 0;
}

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

/* === Tables === */
.table-container {
    overflow-x: auto;
    border-radius: var(--border-radius);
}

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

table thead th {
    background: var(--bg-table-header);
    padding: 14px 16px;
    text-align: left;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border-light);
    white-space: nowrap;
}

table tbody td {
    padding: 14px 16px;
    font-size: 14px;
    color: var(--text-primary);
    border-bottom: 1px solid var(--border-light);
    vertical-align: middle;
}

table tbody tr {
    background: var(--bg-table-row);
    transition: var(--transition);
}

table tbody tr:hover {
    background: var(--bg-table-row-hover);
}

/* === Status Badges === */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    white-space: nowrap;
}

.badge-success { background: var(--success-light); color: var(--success); }
.badge-warning { background: var(--warning-light); color: var(--warning); }
.badge-danger { background: var(--danger-light); color: var(--danger); }
.badge-info { background: var(--info-light); color: var(--info); }
.badge-primary { background: var(--primary-light); color: var(--primary); }
.badge-secondary { background: rgba(100, 116, 139, 0.15); color: var(--text-secondary); }

/* === Avatar === */
.avatar {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 14px;
    color: white;
    overflow: hidden;
    flex-shrink: 0;
}

.avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.avatar-sm { width: 32px; height: 32px; font-size: 12px; border-radius: 8px; }
.avatar-lg { width: 56px; height: 56px; font-size: 20px; border-radius: 14px; }
.avatar-xl { width: 80px; height: 80px; font-size: 28px; border-radius: 18px; }

.avatar-primary { background: linear-gradient(135deg, var(--primary), var(--secondary)); }
.avatar-success { background: linear-gradient(135deg, var(--success), #059669); }
.avatar-warning { background: linear-gradient(135deg, var(--warning), #d97706); }
.avatar-danger { background: linear-gradient(135deg, var(--danger), #dc2626); }

/* === Modals === */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    padding: 20px;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal {
    background: var(--bg-modal);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    width: 100%;
    max-width: 560px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
    transform: scale(0.9) translateY(20px);
    transition: var(--transition);
}

.modal-overlay.active .modal {
    transform: scale(1) translateY(0);
}

.modal-header {
    padding: 24px;
    border-bottom: 1px solid var(--border-light);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-header h3 {
    font-size: 18px;
    font-weight: 700;
}

.modal-close {
    width: 36px;
    height: 36px;
    border: none;
    background: var(--bg-input);
    border-radius: var(--border-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--text-secondary);
    transition: var(--transition);
    font-size: 18px;
}

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

.modal-body {
    padding: 24px;
}

.modal-footer {
    padding: 16px 24px;
    border-top: 1px solid var(--border-light);
    display: flex;
    justify-content: flex-end;
    gap: 12px;
}

.modal-lg { max-width: 720px; }
.modal-xl { max-width: 900px; }

/* === Alerts === */
.alert {
    padding: 16px 20px;
    border-radius: var(--border-radius-sm);
    font-size: 14px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    border: 1px solid;
}

.alert-info { background: var(--info-light); border-color: rgba(59, 130, 246, 0.3); color: var(--info); }
.alert-success { background: var(--success-light); border-color: rgba(16, 185, 129, 0.3); color: var(--success); }
.alert-warning { background: var(--warning-light); border-color: rgba(245, 158, 11, 0.3); color: var(--warning); }
.alert-danger { background: var(--danger-light); border-color: rgba(239, 68, 68, 0.3); color: var(--danger); }

/* === Grid System === */
.grid { display: grid; gap: 20px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

/* === Notifications Dropdown === */
.notifications-dropdown {
    position: absolute;
    top: 50px;
    right: 0;
    width: 380px;
    background: var(--bg-dropdown);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    z-index: 1001;
    display: none;
}

.notifications-dropdown.active {
    display: block;
    animation: dropDown 0.2s ease;
}

@keyframes dropDown {
    from { opacity: 0; transform: translateY(-8px); }
    to { opacity: 1; transform: translateY(0); }
}

.notif-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-light);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.notif-header h4 { font-size: 15px; font-weight: 700; }

.notif-item {
    padding: 14px 20px;
    border-bottom: 1px solid var(--border-light);
    display: flex;
    gap: 12px;
    transition: var(--transition);
    cursor: pointer;
}

.notif-item:hover {
    background: var(--bg-card-hover);
}

.notif-item.unread {
    background: var(--primary-light);
}

.notif-icon {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    flex-shrink: 0;
}

.notif-content h5 { font-size: 13px; font-weight: 600; color: var(--text-primary); }
.notif-content p { font-size: 12px; color: var(--text-muted); margin-top: 2px; }

/* === Chart Containers === */
.chart-container {
    position: relative;
    height: 300px;
    width: 100%;
}

/* === Pagination === */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    margin-top: 24px;
}

.pagination a, .pagination span {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: var(--border-radius-sm);
    font-size: 14px;
    font-weight: 600;
    color: var(--text-secondary);
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    transition: var(--transition);
}

.pagination a:hover {
    border-color: var(--primary);
    background: var(--primary-light);
    color: var(--primary);
}

.pagination .active {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    border-color: transparent;
}

/* === Search & Filter Bar === */
.filter-bar {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.search-input {
    flex: 1;
    min-width: 250px;
    position: relative;
}

.search-input input {
    width: 100%;
    padding: 10px 16px 10px 44px;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    color: var(--text-primary);
    font-size: 14px;
    transition: var(--transition);
    outline: none;
}

.search-input input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-light);
}

.search-input i {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
}

/* === Check-in Card (Mobile) === */
.checkin-card {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--border-radius-lg);
    padding: 32px;
    text-align: center;
    transition: var(--transition);
}

.checkin-card:hover {
    box-shadow: var(--shadow-glow);
    border-color: var(--primary);
}

.checkin-btn-main {
    width: 140px;
    height: 140px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border: none;
    color: white;
    font-size: 48px;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 8px 30px var(--primary-glow);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    position: relative;
}

.checkin-btn-main:hover {
    transform: scale(1.05);
    box-shadow: 0 12px 40px var(--primary-glow);
}

.checkin-btn-main::before {
    content: '';
    position: absolute;
    inset: -8px;
    border-radius: 50%;
    border: 2px solid var(--primary);
    opacity: 0.3;
    animation: pulseRing 2s ease-out infinite;
}

@keyframes pulseRing {
    0% { transform: scale(1); opacity: 0.3; }
    100% { transform: scale(1.2); opacity: 0; }
}

/* === SOS Button === */
.sos-btn {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--danger), #b91c1c);
    border: none;
    color: white;
    font-size: 24px;
    cursor: pointer;
    box-shadow: 0 8px 25px rgba(239, 68, 68, 0.5);
    z-index: 999;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    animation: sosPulse 2s ease-in-out infinite;
}

.sos-btn:hover {
    transform: scale(1.1);
}

@keyframes sosPulse {
    0%, 100% { box-shadow: 0 8px 25px rgba(239, 68, 68, 0.5); }
    50% { box-shadow: 0 8px 40px rgba(239, 68, 68, 0.8); }
}

/* === Timeline === */
.timeline {
    position: relative;
    padding-left: 32px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 12px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--border-color);
}

.timeline-item {
    position: relative;
    margin-bottom: 24px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--border-light);
}

.timeline-item:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -26px;
    top: 4px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--primary);
    border: 3px solid var(--bg-card);
    z-index: 1;
}

.timeline-item.success::before { background: var(--success); }
.timeline-item.warning::before { background: var(--warning); }
.timeline-item.danger::before { background: var(--danger); }

.timeline-time {
    font-size: 12px;
    color: var(--text-muted);
    margin-bottom: 4px;
}

.timeline-title {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 4px;
}

.timeline-desc {
    font-size: 13px;
    color: var(--text-secondary);
}

/* === Empty State === */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-muted);
}

.empty-state i {
    font-size: 64px;
    margin-bottom: 16px;
    opacity: 0.3;
}

.empty-state h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.empty-state p {
    font-size: 14px;
}

/* === Toast Notifications === */
.toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 3000;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.toast {
    padding: 16px 20px;
    border-radius: var(--border-radius-sm);
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-md);
    display: flex;
    align-items: center;
    gap: 12px;
    min-width: 320px;
    max-width: 440px;
    animation: slideInRight 0.3s ease;
    font-size: 14px;
}

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

.toast.success { border-left: 4px solid var(--success); }
.toast.error { border-left: 4px solid var(--danger); }
.toast.warning { border-left: 4px solid var(--warning); }
.toast.info { border-left: 4px solid var(--info); }

/* === Loading Spinner === */
.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border-color);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.loading-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 3000;
    backdrop-filter: blur(4px);
}

/* === Map Container === */
.map-container {
    width: 100%;
    height: 400px;
    border-radius: var(--border-radius);
    overflow: hidden;
    border: 1px solid var(--border-light);
}

/* === Tabs === */
.tabs {
    display: flex;
    gap: 4px;
    border-bottom: 1px solid var(--border-light);
    margin-bottom: 24px;
    overflow-x: auto;
}

.tab-btn {
    padding: 12px 20px;
    border: none;
    background: none;
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    position: relative;
    transition: var(--transition);
    white-space: nowrap;
    font-family: inherit;
}

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

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

.tab-btn.active::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--primary);
    border-radius: 2px 2px 0 0;
}

.tab-content {
    display: none;
}

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

/* === Progress Bar === */
.progress-bar {
    width: 100%;
    height: 8px;
    background: var(--bg-input);
    border-radius: 4px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    border-radius: 4px;
    transition: width 0.5s ease;
}

.progress-fill.primary { background: linear-gradient(90deg, var(--primary), var(--secondary)); }
.progress-fill.success { background: linear-gradient(90deg, var(--success), #059669); }
.progress-fill.warning { background: linear-gradient(90deg, var(--warning), #d97706); }
.progress-fill.danger { background: linear-gradient(90deg, var(--danger), #dc2626); }

/* === QR Code Display === */
.qr-display {
    background: white;
    padding: 20px;
    border-radius: var(--border-radius);
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

/* === Switch Toggle === */
.switch {
    position: relative;
    width: 48px;
    height: 26px;
    display: inline-block;
}

.switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.switch .slider {
    position: absolute;
    cursor: pointer;
    inset: 0;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: 13px;
    transition: var(--transition);
}

.switch .slider::before {
    content: '';
    position: absolute;
    height: 20px;
    width: 20px;
    left: 2px;
    bottom: 2px;
    background: var(--text-muted);
    border-radius: 50%;
    transition: var(--transition);
}

.switch input:checked + .slider {
    background: var(--primary);
    border-color: var(--primary);
}

.switch input:checked + .slider::before {
    transform: translateX(22px);
    background: white;
}

/* === Responsive === */
@media (max-width: 1024px) {
    .sidebar {
        transform: translateX(-100%);
    }

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

    .main-content {
        margin-left: 0;
    }

    .menu-toggle {
        display: flex;
    }

    .grid-3 { grid-template-columns: repeat(2, 1fr); }
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .page-content {
        padding: 16px;
    }

    .top-header {
        padding: 0 16px;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }

    .stat-card {
        padding: 16px;
    }

    .stat-info .stat-value {
        font-size: 24px;
    }

    .stat-icon {
        width: 40px;
        height: 40px;
        font-size: 18px;
    }

    .grid-2, .grid-3, .grid-4 {
        grid-template-columns: 1fr;
    }

    .filter-bar {
        flex-direction: column;
    }

    .search-input {
        min-width: 100%;
    }

    .page-title-bar {
        flex-direction: column;
        align-items: flex-start;
    }

    .login-card {
        padding: 32px 24px;
    }

    .modal {
        margin: 12px;
    }

    .notifications-dropdown {
        width: calc(100vw - 32px);
        right: -80px;
    }
}

@media (max-width: 480px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .table-container {
        font-size: 13px;
    }

    table thead th, table tbody td {
        padding: 10px 12px;
    }
}

/* === Print === */
@media print {
    .sidebar, .top-header, .sos-btn, .toast-container {
        display: none !important;
    }

    .main-content {
        margin-left: 0 !important;
    }

    .page-content {
        padding: 0 !important;
    }

    .card {
        box-shadow: none !important;
        border: 1px solid #ddd !important;
    }
}

/* === Utility Classes === */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-success { color: var(--success); }
.text-danger { color: var(--danger); }
.text-warning { color: var(--warning); }
.text-info { color: var(--info); }
.text-muted { color: var(--text-muted); }
.text-primary { color: var(--primary); }
.fw-bold { font-weight: 700; }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.d-flex { display: flex; }
.align-center { align-items: center; }
.gap-1 { gap: 8px; }
.gap-2 { gap: 16px; }
.gap-3 { gap: 24px; }
.justify-between { justify-content: space-between; }
.w-100 { width: 100%; }
.d-none { display: none; }