:root {
    --bg-main: #0f172a;
    --bg-gradient-top: #1e293b;
    --bg-card: rgba(30, 41, 59, 0.7);
    --primary: #3b82f6;
    --primary-glow: rgba(59, 130, 246, 0.5);
    --accent: #f59e0b;
    --success: #10b981;
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --border: rgba(255, 255, 255, 0.1);
    --border-highlight: rgba(255, 255, 255, 0.2);
    --navbar-bg: rgba(15, 23, 42, 0.8);
}

:root[data-theme="light"] {
    --bg-main: #f1f5f9;
    --bg-gradient-top: #ffffff;
    --bg-card: rgba(255, 255, 255, 0.8);
    --primary: #2563eb;
    --primary-glow: rgba(37, 99, 235, 0.3);
    --text-main: #0f172a;
    --text-muted: #475569;
    --border: rgba(0, 0, 0, 0.1);
    --border-highlight: rgba(0, 0, 0, 0.2);
    --navbar-bg: rgba(255, 255, 255, 0.8);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'Outfit', sans-serif;
}

body {
    background: radial-gradient(circle at top, var(--bg-gradient-top) 0%, var(--bg-main) 100%);
    color: var(--text-main);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Typography & Colors */
.text-accent { color: var(--accent); }
.text-success { color: var(--success); }
.text-center { text-align: center; }

/* Navbar */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    background: var(--navbar-bg);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
}
.hamburger {
    display: none;
    background: none;
    border: none;
    color: var(--text-main);
    font-size: 1.5rem;
    cursor: pointer;
}
.app-footer {
    text-align: center;
    padding: 1.5rem;
    color: var(--text-muted);
    font-size: 0.85rem;
    border-top: 1px solid var(--border);
    margin-top: auto;
}
.logo-container {
    display: flex;
    align-items: center;
    gap: 1rem;
}
.logo-icon {
    font-size: 2rem;
    filter: drop-shadow(0 0 8px var(--primary));
}
.logo-text h1 {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: 0.5px;
}
.logo-text span {
    color: var(--accent);
}
.logo-text p {
    font-size: 0.8rem;
    color: var(--text-muted);
}
.nav-links a, .nav-links button.btn-logout, .nav-links a.btn-login {
    color: var(--text-main);
    text-decoration: none;
    margin-left: 0.5rem;
    padding: 0.5rem 1.2rem;
    border-radius: 20px;
    font-weight: 600;
    transition: all 0.3s ease;
    background: rgba(128, 128, 128, 0.1);
    border: 1px solid var(--border);
    cursor: pointer;
    font-size: 0.95rem;
}
.nav-links a:hover, .nav-links a.active, .nav-links button.btn-logout:hover {
    background: var(--primary);
    color: #fff !important;
    border-color: var(--primary);
    box-shadow: 0 4px 15px var(--primary-glow);
}
.btn-icon {
    background: rgba(128, 128, 128, 0.1);
    border: 1px solid var(--border);
    color: var(--text-main);
    font-size: 1.1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-right: 0.5rem;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}
.btn-icon:hover {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
    box-shadow: 0 4px 15px var(--primary-glow);
    transform: scale(1.05);
}

/* Container */
.container {
    flex: 1;
    padding: 2rem;
    max-width: 1400px;
    margin: 0 auto;
    width: 100%;
}

/* 3D Cards */
.card-3d {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 1.5rem;
    backdrop-filter: blur(16px);
    box-shadow: 
        inset 0 1px 1px rgba(255, 255, 255, 0.1),
        0 10px 20px rgba(0, 0, 0, 0.3),
        0 0 40px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275), box-shadow 0.3s ease;
}
.card-3d:hover {
    transform: translateY(-5px) scale(1.01);
    box-shadow: 
        inset 0 1px 2px rgba(255, 255, 255, 0.2),
        0 15px 30px rgba(0, 0, 0, 0.4),
        0 0 20px var(--primary-glow);
    border-color: var(--border-highlight);
}

/* Alerts */
.alert {
    padding: 1rem;
    border-radius: 8px;
    margin-bottom: 1rem;
}
.alert-success { background: rgba(16, 185, 129, 0.2); border: 1px solid var(--success); color: #fff; }
.alert-danger { background: rgba(239, 68, 68, 0.2); border: 1px solid #ef4444; color: #fff; }

/* Dashboard Layout */
.dashboard-header { margin-bottom: 2rem; }
.filter-form {
    display: flex;
    gap: 2rem;
    align-items: center;
}
.filter-group { display: flex; align-items: center; gap: 1rem; }
.filter-group label { font-weight: 600; color: var(--text-muted); }
.filter-group select {
    background: var(--bg-main);
    color: var(--text-main);
    border: 1px solid var(--border);
    padding: 0.5rem 1rem;
    border-radius: 8px;
    outline: none;
    font-family: inherit;
    cursor: pointer;
    transition: all 0.3s;
}
.filter-group select:focus { border-color: var(--primary); box-shadow: 0 0 10px var(--primary-glow); }

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}
.stat-card h3 {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
}
.stat-card .stat-value {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
}
.stat-card .stat-meta {
    font-size: 0.85rem;
    color: var(--text-muted);
}
.stat-breakdown {
    display: flex;
    gap: 1rem;
    font-size: 0.85rem;
    color: var(--text-muted);
}
.dot {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    margin-right: 4px;
}
.dot-open { background: var(--primary); box-shadow: 0 0 5px var(--primary); }
.dot-draft { background: var(--accent); box-shadow: 0 0 5px var(--accent); }
.dot-submit { background: var(--success); box-shadow: 0 0 5px var(--success); }

/* Top Lists */
.top-list {
    list-style: none;
    margin-top: 1rem;
}
.top-list li {
    display: flex;
    justify-content: space-between;
    padding: 0.8rem 0;
    border-bottom: 1px solid var(--border);
    font-size: 0.95rem;
}
.top-list li:last-child {
    border-bottom: none;
}
.top-list li span {
    font-weight: 600;
}
.waktu-tarik-badge {
    background: rgba(59, 130, 246, 0.1);
    color: var(--primary);
    padding: 0.5rem 1rem;
    border-radius: 8px;
    border: 1px solid var(--primary-glow);
    font-weight: 600;
    display: inline-block;
}

/* Charts */
.charts-grid {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 1.5rem;
    margin-bottom: 2rem;
}
.chart-card h3 {
    margin-bottom: 1rem;
    color: #fff;
    font-size: 1.1rem;
}
.chart-container {
    position: relative;
    height: 300px;
    width: 100%;
}

/* Table */
.table-container {
    overflow-x: auto;
}
.table-container h3 {
    margin-bottom: 1rem;
}
.data-table {
    width: 100%;
    border-collapse: collapse;
}
.data-table th, .data-table td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border);
}
.data-table th {
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.8rem;
    letter-spacing: 1px;
}
.data-table tr:hover td {
    background: var(--border-highlight);
}
/* Datatables Customization */
.datatable-wrapper {
    color: var(--text-main);
}
.datatable-selector, .datatable-input {
    background: var(--bg-main);
    color: var(--text-main);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 0.4rem;
    outline: none;
}
.datatable-selector:focus, .datatable-input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 8px var(--primary-glow);
}
.datatable-pagination a, .datatable-pagination button {
    color: var(--text-main) !important;
    background-color: transparent !important;
}
.datatable-pagination a:hover, .datatable-pagination button:hover {
    background-color: var(--border) !important;
}
.datatable-active a, .datatable-active button, .datatable-pagination .active a {
    background-color: var(--primary) !important;
    color: #fff !important;
}
.progress-bar-container {
    width: 100%;
    background: rgba(255,255,255,0.1);
    height: 6px;
    border-radius: 3px;
    overflow: hidden;
    margin-bottom: 4px;
}
.progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--success));
    box-shadow: 0 0 10px var(--success);
}

/* Forms (Login/Upload) */
.auth-container, .upload-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 70vh;
}
.login-card, .upload-container .card-3d {
    width: 100%;
    max-width: 500px;
}
.login-card h2, .upload-container h2 { margin-bottom: 0.5rem; }
.login-card p, .upload-container p { color: var(--text-muted); margin-bottom: 1.5rem; }

.form-group {
    margin-bottom: 1.5rem;
}
.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-muted);
}
.form-group input {
    width: 100%;
    padding: 0.8rem;
    background: var(--bg-main);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text-main);
    font-family: inherit;
    transition: all 0.3s;
}
.form-group input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 15px var(--primary-glow);
}
.form-group input[type="file"] {
    padding: 0.6rem;
}

.btn {
    display: inline-block;
    padding: 0.8rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    border: none;
    font-family: inherit;
    text-align: center;
}
.btn-block { width: 100%; }
.btn-primary {
    background: linear-gradient(135deg, #2563eb, #3b82f6);
    color: #fff;
    box-shadow: 0 4px 15px rgba(37, 99, 235, 0.4);
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.6);
}

@media (max-width: 768px) {
    .hamburger {
        display: block;
    }
    .nav-links {
        display: none;
        width: 100%;
        flex-direction: column;
        align-items: center;
        gap: 1rem;
        padding-top: 1rem;
    }
    .nav-links.show {
        display: flex;
    }
    .nav-links a, .nav-links button {
        margin: 0;
        font-size: 1rem;
        width: 100%;
    }
    .btn-login, .btn-logout {
        width: auto;
    }
    .container {
        padding: 1rem;
    }
    .filter-form {
        flex-direction: column;
        align-items: stretch;
        gap: 1rem;
    }
    .filter-group {
        flex-direction: column;
        align-items: stretch;
        gap: 0.5rem;
    }
    .stats-grid {
        grid-template-columns: 1fr;
    }
    .charts-grid { 
        grid-template-columns: 1fr; 
    }
    .stat-card .stat-value {
        font-size: 2rem;
    }
    .chart-container {
        height: 250px;
    }
    .table-container {
        overflow-x: auto;
    }
    .data-table th, .data-table td {
        padding: 0.5rem;
        font-size: 0.85rem;
        white-space: nowrap;
    }
}

details.region-dropdown > summary::-webkit-details-marker {
    display: none;
}