:root {
    --primary: #2563eb;
    --primary-dark: #1e40af;
    --success: #16a34a;
    --danger: #dc2626;
    --warning: #d97706;
    --bg: #f4f6f9;
    --card: #ffffff;
    --text: #1f2937;
    --muted: #6b7280;
    --border: #e5e7eb;
    --radius: 10px;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
    margin: 0;
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    background: var(--bg);
    color: var(--text);
    overflow-x: hidden;
}

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

.topbar {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff;
    padding: 12px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 2px 6px rgba(0,0,0,.1);
    position: sticky;
    top: 0;
    z-index: 40;
    gap: 10px;
}

.topbar-left { display: flex; align-items: center; gap: 10px; min-width: 0; }

.hamburger {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 4px;
    width: 40px;
    height: 40px;
    background: rgba(255,255,255,.12);
    border: none;
    border-radius: 8px;
    cursor: pointer;
    flex-shrink: 0;
}
.hamburger span { display: block; width: 20px; height: 2px; background: #fff; margin: 0 auto; }

.topbar .brand { font-weight: 700; font-size: 1.05rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; display: flex; align-items: center; gap: 8px; min-width: 0; }
.topbar .brand span:last-child { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.topbar .brand-logo { height: 30px; width: 30px; object-fit: contain; border-radius: 6px; background: #fff; flex-shrink: 0; }
.topbar .user-info { display: flex; align-items: center; gap: 12px; font-size: .88rem; flex-shrink: 0; }
.topbar .user-name { white-space: nowrap; }
.topbar .btn-logout {
    background: rgba(255,255,255,.15);
    color: #fff;
    padding: 8px 14px;
    border-radius: 6px;
    font-size: .85rem;
    white-space: nowrap;
}
.topbar .btn-logout:hover { background: rgba(255,255,255,.28); }

.sidebar-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,.45);
    z-index: 45;
}

.layout { display: flex; min-height: calc(100vh - 58px); }

.sidebar {
    width: 220px;
    background: #111827;
    color: #d1d5db;
    padding: 18px 0;
    flex-shrink: 0;
}
.sidebar a {
    display: block;
    padding: 13px 22px;
    color: #d1d5db;
    font-size: .92rem;
    border-left: 3px solid transparent;
}
.sidebar a:hover, .sidebar a.active {
    background: rgba(255,255,255,.06);
    color: #fff;
    border-left-color: var(--primary);
}
.sidebar .section-title {
    padding: 16px 22px 6px;
    font-size: .72rem;
    letter-spacing: .06em;
    text-transform: uppercase;
    color: #6b7280;
}

.content { flex: 1; padding: 26px; max-width: 1200px; min-width: 0; }

.card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: 0 1px 3px rgba(0,0,0,.04);
}

.card h2, .card h3 { margin-top: 0; }

.grid { display: grid; gap: 18px; }
.grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid.cols-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 900px) { .grid.cols-3, .grid.cols-4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .grid.cols-2, .grid.cols-3, .grid.cols-4 { grid-template-columns: 1fr; } }

.stat-box {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 18px;
    text-align: center;
}
.stat-box .num { font-size: 1.9rem; font-weight: 700; color: var(--primary); }
.stat-box .label { color: var(--muted); font-size: .85rem; margin-top: 4px; }

.table-scroll { width: 100%; overflow-x: auto; -webkit-overflow-scrolling: touch; }
.card:has(table) { overflow-x: auto; -webkit-overflow-scrolling: touch; }
table { width: 100%; border-collapse: collapse; font-size: .92rem; min-width: 480px; }
table th, table td { padding: 10px 12px; border-bottom: 1px solid var(--border); text-align: left; }
table th { background: #f9fafb; font-weight: 600; color: #374151; }
table tr:hover td { background: #fafbfc; }
.action-cell { display: flex; gap: 6px; flex-wrap: wrap; }

.btn {
    display: inline-block;
    padding: 10px 16px;
    border-radius: 7px;
    border: none;
    background: var(--primary);
    color: #fff;
    font-size: .9rem;
    cursor: pointer;
    min-height: 40px;
    line-height: 1.2;
}
.btn:hover { background: var(--primary-dark); }
.btn.btn-sm { padding: 7px 12px; font-size: .82rem; min-height: 34px; }
.btn.btn-danger { background: var(--danger); }
.btn.btn-danger:hover { background: #b91c1c; }
.btn.btn-success { background: var(--success); }
.btn.btn-outline { background: transparent; border: 1px solid var(--border); color: var(--text); }

.form-group { margin-bottom: 15px; }
.form-group label { display: block; margin-bottom: 6px; font-size: .88rem; font-weight: 600; color: #374151; }
.form-group input, .form-group select, .form-group textarea {
    width: 100%;
    padding: 11px 12px;
    border: 1px solid var(--border);
    border-radius: 7px;
    font-size: 1rem;
    background: #fff;
}
.form-group input:focus, .form-group select:focus { outline: none; border-color: var(--primary); }

.alert {
    padding: 12px 16px;
    border-radius: 8px;
    margin-bottom: 16px;
    font-size: .9rem;
}
.alert-success { background: #dcfce7; color: #166534; border: 1px solid #bbf7d0; }
.alert-error { background: #fee2e2; color: #991b1b; border: 1px solid #fecaca; }
.alert-warning { background: #fef3c7; color: #92400e; border: 1px solid #fde68a; }
.alert-info { background: #dbeafe; color: #1e40af; border: 1px solid #bfdbfe; }

.badge { padding: 3px 10px; border-radius: 999px; font-size: .75rem; font-weight: 600; }
.badge-success { background: #dcfce7; color: #166534; }
.badge-danger { background: #fee2e2; color: #991b1b; }
.badge-warning { background: #fef3c7; color: #92400e; }
.badge-muted { background: #e5e7eb; color: #374151; }

.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary), #0f172a);
    padding: 20px;
}
.login-box {
    background: #fff;
    width: 100%;
    max-width: 380px;
    padding: 34px 30px;
    border-radius: 14px;
    box-shadow: 0 15px 40px rgba(0,0,0,.25);
}
.login-box h1 { font-size: 1.3rem; text-align: center; margin-bottom: 4px; }
.login-box p.sub { text-align: center; color: var(--muted); font-size: .85rem; margin-bottom: 22px; }
.login-box .btn { width: 100%; padding: 11px; font-size: .95rem; margin-top: 6px; }
.demo-accounts { margin-top: 20px; font-size: .78rem; color: var(--muted); background: #f9fafb; padding: 10px 12px; border-radius: 8px; }

.qr-wrap { text-align: center; padding: 20px; }
#qr-canvas { margin: 0 auto; max-width: 100%; }
#qr-canvas canvas { max-width: 100%; height: auto !important; }
.timer { font-size: 1.6rem; font-weight: 700; color: var(--danger); text-align: center; }

.scan-box { max-width: 420px; margin: 0 auto; }
/* Reader (kamera) dan hasil/konfirmasi scan digabung dalam satu "frame" —
   hasil scan & tombol OK/Lewati ditampilkan sebagai overlay di bagian bawah
   frame kamera, bukan di bawahnya, supaya selalu terlihat tanpa perlu scroll. */
.reader-wrap { position: relative; border-radius: var(--radius); overflow: hidden; background: #111; }
#reader { width: 100%; min-height: 280px; }
#reader video { width: 100% !important; height: auto !important; display: block; }
#result-area { position: absolute; left: 0; right: 0; bottom: 0; z-index: 6; }
#result-area:empty { display: none; }
.status-result { text-align: center; padding: 14px 16px 16px; background: rgba(255,255,255,.97); border-top-left-radius: 14px; border-top-right-radius: 14px; box-shadow: 0 -6px 16px rgba(0,0,0,.18); }
.status-result .icon { font-size: 2.1rem; margin-bottom: 4px; line-height: 1; }
.status-result h3 { margin: 0 0 2px; font-size: .98rem; }
.status-result.ok .icon { color: var(--success); }
.status-result.fail .icon { color: var(--danger); }

.filter-bar { display: flex; gap: 12px; margin-bottom: 18px; flex-wrap: wrap; align-items: flex-end; }
.filter-bar .form-group { margin-bottom: 0; min-width: 160px; }

/* ===== Responsif untuk HP & Tablet ===== */
@media (max-width: 860px) {
    .hamburger { display: flex; }

    .sidebar {
        position: fixed;
        top: 0;
        left: 0;
        bottom: 0;
        width: 250px;
        max-width: 78vw;
        overflow-y: auto;
        transform: translateX(-100%);
        transition: transform .22s ease;
        z-index: 50;
        padding-top: 62px;
    }
    body.sidebar-open .sidebar { transform: translateX(0); }
    body.sidebar-open .sidebar-backdrop { display: block; }
    body.sidebar-open { overflow: hidden; }

    .topbar .user-name { display: none; }
    .topbar { padding: 10px 14px; }
    .topbar .brand { font-size: .95rem; }

    .content { padding: 16px; }

    .filter-bar { flex-direction: column; align-items: stretch; }
    .filter-bar .form-group { min-width: 0; }
    .filter-bar .btn, .filter-bar a.btn, .filter-bar a.btn-outline { width: 100%; text-align: center; }

    .action-cell { flex-direction: column; align-items: stretch; }
    .action-cell .btn { width: 100%; text-align: center; }

    .stat-box .num { font-size: 1.5rem; }

    /* Target sentuh lebih besar (rekomendasi minimal ~44px) & tabel lebih nyaman dibaca */
    .btn { padding: 12px 18px; font-size: .95rem; }
    .btn.btn-sm { padding: 10px 14px; font-size: .85rem; }
    table th, table td { padding: 12px 10px; font-size: .88rem; }
    .card { padding: 16px; }
    .grid { gap: 14px; }
}

@media (max-width: 480px) {
    .content { padding: 12px; }
    .card { padding: 15px; }
    table { font-size: .85rem; min-width: 420px; }
    .login-box { padding: 26px 20px; }
}

@media print {
    .no-print { display: none !important; }
    .sidebar, .topbar { display: none !important; }
    .layout { display: block; }
    .content { padding: 0; }
}