:root {
    --green-dark: #0a3d1f;
    --green: #0f552b;
    --green-medium: #1a7a3a;
    --green-light: #4caf50;
    --green-bg: #eaf5ee;
    --green-pale: #f4faf6;
    --gold: #c8953e;
    --gold-light: #d4b56a;
    --gold-pale: #fdf6ea;
    --white: #ffffff;
    --text: #1a1a1a;
    --text-light: #5a6c5e;
    --text-muted: #889988;
    --border: #dce8df;
    --danger: #c0392b;
    --danger-bg: #fdecea;
    --warning: #e67e22;
    --warning-bg: #fef5ec;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
    --shadow: 0 2px 8px rgba(0,0,0,0.08);
    --shadow-lg: 0 8px 30px rgba(0,0,0,0.12);
    --radius-sm: 8px;
    --radius: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    --font-sans: 'Segoe UI', 'Inter', system-ui, -apple-system, sans-serif;
}

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

body {
    font-family: var(--font-sans);
    background: #f5f7f6;
    color: var(--text);
    display: flex;
    min-height: 100vh;
    -webkit-tap-highlight-color: transparent;
    -webkit-font-smoothing: antialiased;
}

.bg-light-green { background: #f4faf6; }

.center-screen {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 20px;
}

/* ========== SIDEBAR ========== */
.sidebar {
    width: 220px;                       /* lebih ramping */
    min-height: 100vh;
    background: linear-gradient(180deg, #0a3d1f 0%, #0d4a26 40%, #0f552b 100%);  /* hijau modern */
    color: #fff;
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 100;
    transition: transform var(--transition);
    box-shadow: 4px 0 20px rgba(0,0,0,0.15);
}
.sidebar-header { padding: 24px 20px; border-bottom: 1px solid rgba(255,255,255,0.1); text-align: center; }
.sidebar .logo { width: 56px; height: 56px; border-radius: 50%; background: var(--gold); display: inline-flex; align-items: center; justify-content: center; font-size: 26px; margin-bottom: 10px; box-shadow: 0 4px 15px rgba(200,149,62,0.35); }
.sidebar h3 { font-size: 15px; font-weight: 700; margin: 0; }
.sidebar nav { flex: 1; padding: 16px 12px; display: flex; flex-direction: column; gap: 4px; }
.sidebar nav a {
    display: flex; align-items: center; gap: 12px;
    padding: 10px 14px;                /* sedikit lebih ramping */
    border-radius: var(--radius-sm);
    color: rgba(255,255,255,0.8); text-decoration: none;
    font-weight: 500; font-size: 14px; transition: all var(--transition); white-space: nowrap;
}
.sidebar nav a:hover { background: rgba(255,255,255,0.08); color: #fff; }
.sidebar nav a.active { background: rgba(255,255,255,0.15); color: #fff; font-weight: 600; box-shadow: inset 3px 0 0 var(--gold); }

/* Layout admin & santri */
.admin-layout, .santri-layout { display: flex; width: 100%; }
.admin-layout .main-content {
    margin-left: 220px;                 /* mengikuti lebar sidebar baru */
    flex: 1;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    padding: 30px 40px;
}
.santri-layout { flex-direction: column; }
.santri-layout .topbar { background: #fff; padding: 16px 28px; border-bottom: 1px solid var(--border); display: flex; align-items: center; justify-content: space-between; box-shadow: var(--shadow-sm); }

/* Topbar */
.topbar {
    background: #fff; padding: 16px 28px;
    border-bottom: 1px solid var(--border);
    display: flex; align-items: center; justify-content: space-between;
    gap: 16px; position: sticky; top: 0; z-index: 50; box-shadow: var(--shadow-sm);
    flex-wrap: wrap;
}
.topbar h2 { font-size: 18px; font-weight: 700; color: var(--green-dark); margin: 0; }

.container { max-width: 1100px; margin: 0 auto; padding: 20px; }

/* ========== STATS ========== */
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px,1fr)); gap: 18px; margin-bottom: 28px; }
.stat-card { background: #fff; border-radius: var(--radius-lg); padding: 22px 24px; box-shadow: var(--shadow); display: flex; align-items: center; gap: 16px; transition: all var(--transition); border: 1px solid transparent; }
.stat-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); border-color: var(--border); }
.stat-icon { width: 52px; height: 52px; border-radius: var(--radius); display: flex; align-items: center; justify-content: center; font-size: 24px; flex-shrink: 0; }
.stat-icon.green { background: #e8f5e9; color: var(--green-medium); }
.stat-icon.gold { background: #fef8ed; color: var(--gold); }
.stat-icon.red { background: #fdecea; color: var(--danger); }
.stat-icon.blue { background: #e8f0fb; color: #3b6fb6; }
.stat-info h3 { font-size: 28px; font-weight: 700; color: var(--text); line-height: 1; margin-bottom: 4px; }
.stat-info p { font-size: 12px; color: var(--text-muted); letter-spacing: 0.3px; text-transform: uppercase; font-weight: 500; margin: 0; }

/* ========== CARD & TABLE ========== */
.card {
    background: #fff; border-radius: var(--radius-lg);
    box-shadow: var(--shadow); overflow: hidden;
    border: 1px solid var(--border); margin-bottom: 20px;
}
.card-header { padding: 18px 22px; border-bottom: 1px solid var(--border); background: #fafcfa; }
.card-header h3 { font-size: 16px; font-weight: 700; color: var(--green-dark); margin: 0; }
.card-body { padding: 16px; overflow-x: auto; }

table { width: 100%; border-collapse: collapse; font-size: 13px; }
table thead { background: var(--green-pale); }
table thead th { padding: 13px 14px; text-align: left; font-weight: 600; color: var(--green-dark); font-size: 11px; text-transform: uppercase; letter-spacing: 0.5px; border-bottom: 2px solid var(--border); white-space: nowrap; }
table tbody td { padding: 12px 14px; border-bottom: 1px solid var(--border); vertical-align: middle; white-space: nowrap; }
table tbody tr:hover { background: #fafffb; }

.badge {
    display: inline-block; padding: 5px 10px; border-radius: 20px;
    font-size: 11px; font-weight: 600; letter-spacing: 0.3px;
}
.badge-success, .badge-normal { background: #e8f5e9; color: #2e7d32; }
.badge-warning, .badge-darurat { background: #fef8ed; color: #b8731f; }
.badge-danger, .badge-ditolak { background: #fdecea; color: #b71c1c; }
.badge-info { background: #e8f0fb; color: #3b6fb6; }

/* ========== BUTTONS ========== */
.btn {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 9px 16px; border-radius: 22px; font-weight: 600;
    font-size: 13px; cursor: pointer; border: none;
    transition: all var(--transition); text-decoration: none;
    letter-spacing: 0.2px; white-space: nowrap; font-family: var(--font-sans);
    background: none; color: inherit;
}
.btn-primary { background: var(--green); color: #fff; box-shadow: 0 2px 8px rgba(15,85,43,0.25); }
.btn-primary:hover { background: #0a3d1f; box-shadow: 0 4px 14px rgba(15,85,43,0.35); transform: translateY(-1px); }
.btn-gold { background: var(--gold); color: #fff; box-shadow: 0 2px 8px rgba(200,149,62,0.3); }
.btn-gold:hover { background: #b07d2e; box-shadow: 0 4px 14px rgba(200,149,62,0.4); transform: translateY(-1px); }
.btn-outline { background: #fff; color: var(--green); border: 2px solid var(--green); }
.btn-outline:hover { background: var(--green-bg); }
.btn-sm { padding: 6px 12px; font-size: 11px; border-radius: 16px; }
.btn-xs { padding: 4px 10px; font-size: 10px; border-radius: 14px; }
.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { background: #a71d2a; }
.btn-success { background: #2e7d32; color: #fff; }
.btn-success:hover { background: #1b5e20; }
.btn-block { display: block; width: 100%; text-align: center; justify-content: center; }

/* ========== FORM ========== */
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-weight: 600; font-size: 12px; text-transform: uppercase; letter-spacing: 0.5px; color: var(--text-light); margin-bottom: 5px; }
.form-control, .form-group input, .form-group select, .form-group textarea {
    width: 100%; padding: 10px 14px; border-radius: var(--radius-sm);
    border: 2px solid var(--border); font-size: 14px; font-family: var(--font-sans);
    transition: all var(--transition); background: #fafcfa;
}
.form-control:focus, .form-group input:focus, .form-group select:focus, .form-group textarea:focus {
    outline: none; border-color: var(--green); box-shadow: 0 0 0 5px rgba(15,85,43,0.05); background: #fff;
}
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.form-grid .form-group { margin-bottom: 0; }

/* Alert */
.alert { padding: 12px 16px; border-radius: var(--radius-sm); font-size: 13px; font-weight: 500; margin-bottom: 16px; }
.alert-danger { background: var(--danger-bg); color: var(--danger); border: 1px solid #f5c6cb; }
.alert-success { background: #e8f5e9; color: #2e7d32; border: 1px solid #c8e6c9; }
.alert-warning { background: var(--warning-bg); color: #b8731f; border: 1px solid #ffeeba; }
.alert-info { background: #e8f0fb; color: #2471a3; border: 1px solid #bee0f7; }

/* Scan */
.scan-container { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.scan-container .card { padding: 20px; text-align: center; min-height: 320px; display: flex; flex-direction: column; align-items: center; justify-content: center; }

/* Filter */
.filter-bar {
    display: flex; gap: 10px; flex-wrap: wrap; align-items: center;
    padding: 12px 16px; background: #fff; border-radius: var(--radius-lg);
    box-shadow: var(--shadow); margin-bottom: 20px;
}
.filter-bar select, .filter-bar input {
    padding: 8px 14px; border-radius: 20px; border: 2px solid var(--border);
    font-size: 12px; font-family: var(--font-sans); background: #fff;
}
.filter-bar select:focus, .filter-bar input:focus {
    outline: none; border-color: var(--green); box-shadow: 0 0 0 4px rgba(15,85,43,0.04);
}

/* Modal */
.modal-overlay {
    position: fixed; inset: 0; background: rgba(0,0,0,0.55);
    z-index: 200; display: flex; align-items: center; justify-content: center;
    padding: 20px; animation: fadeIn 0.2s ease;
}
@keyframes fadeIn { from { opacity:0; } to { opacity:1; } }
.modal {
    background: #fff; border-radius: var(--radius-xl); padding: 28px 30px;
    width: 100%; max-width: 580px; max-height: 85vh; overflow-y: auto;
    box-shadow: var(--shadow-lg); animation: modalPop 0.3s ease;
}
@keyframes modalPop { from { opacity:0; transform:scale(0.94) translateY(20px); } to { opacity:1; transform:scale(1) translateY(0); } }
.modal h3 { font-size: 18px; font-weight: 700; color: var(--green-dark); margin-bottom: 20px; }
.modal-buttons { display: flex; gap: 10px; justify-content: flex-end; margin-top: 20px; flex-wrap: wrap; }

/* Misc */
.text-center { text-align: center; }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 12px; }
.mt-3 { margin-top: 20px; }
.mb-3 { margin-bottom: 20px; }
.logo-icon { font-size: 64px; }
a { color: var(--green); text-decoration: none; }
a:hover { text-decoration: underline; }
.text-muted { color: var(--text-muted); font-size: 12px; }

/* ========== RESPONSIVE ========== */
@media (max-width: 900px) {
    .sidebar { width: 220px; transform: translateX(-100%); }
    .sidebar.open { transform: translateX(0); }
    .admin-layout .main-content { margin-left: 0; padding: 15px; }
    .scan-container { grid-template-columns: 1fr; }
    .form-grid { grid-template-columns: 1fr; }
    .topbar { padding: 12px 16px; }
    .topbar h2 { font-size: 16px; }
    .stats-grid { grid-template-columns: 1fr 1fr; }
    table { font-size: 11px; }
    table thead th, table tbody td { padding: 8px 10px; }
    .btn { padding: 7px 13px; font-size: 11px; }
    .card-header { padding: 14px 16px; }
    .container { padding: 10px; }
    .filter-bar { flex-direction: column; align-items: stretch; }
}

@media (max-width: 480px) {
    .stats-grid { grid-template-columns: 1fr 1fr; gap: 10px; }
    .stat-card { padding: 14px 16px; gap: 10px; flex-direction: column; text-align: center; }
    .stat-icon { width: 40px; height: 40px; font-size: 18px; }
    .stat-info h3 { font-size: 22px; }
    .stat-info p { font-size: 10px; }
    .sidebar { width: 200px; }
    .topbar { flex-direction: column; align-items: flex-start; }
    .topbar h2 { font-size: 15px; }
}
/* ========== SPACING ANTAR ELEMEN ========== */
.card {
    margin-bottom: 24px;              /* jarak antar card */
}

.card-header {
    margin-bottom: 0;
}

.card-body {
    padding: 20px;                    /* ruang dalam card */
}

.row {
    margin-bottom: 16px;              /* jarak antar baris (row) */
}

.col, [class*="col-"] {
    padding-left: 12px;
    padding-right: 12px;
}

.form-grid {
    gap: 16px;                        /* jarak antar kolom form */
}

.form-group {
    margin-bottom: 14px;
}

.table-responsive {
    margin-top: 12px;
}

.btn {
    margin-right: 6px;
    margin-bottom: 8px;
}

.filter-bar > * {
    margin-right: 10px;
    margin-bottom: 8px;
}

.alert {
    margin-bottom: 20px;
}

.stats-grid {
    gap: 20px;
    margin-bottom: 30px;
}

.main-content > * {
    margin-bottom: 16px;
}
/* Overlay untuk mobile */
.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 99;
}
.sidebar-overlay.show {
    display: block;
}