:root {
    --bg: #eef3f8;
    --panel: rgba(255, 255, 255, 0.95);
    --panel-alt: #f7f9fc;
    --text: #17212f;
    --muted: #5f6f86;
    --line: rgba(31, 52, 84, 0.12);
    --brand: #c49644;
    --brand-dark: #8a6223;
    --accent: #1f4b7a;
    --danger: #c2413b;
    --success: #218552;
    --warning: #d98c10;
    --shadow: 0 18px 40px rgba(19, 38, 68, 0.09);
    --radius: 18px;
    --font: "Segoe UI", "Trebuchet MS", sans-serif;
}

* { box-sizing: border-box; }
body { margin: 0; font-family: var(--font); background: radial-gradient(circle at top left, rgba(255,255,255,0.92), rgba(231,239,245,0.98) 44%, #dde7ef); color: var(--text); }
a { color: inherit; text-decoration: none; }
a:focus-visible,
button:focus-visible,
.button:focus-visible,
input:focus-visible,
select:focus-visible {
    outline: 3px solid rgba(31, 75, 122, 0.24);
    outline-offset: 2px;
}
img { max-width: 100%; display: block; }
.shell { display: grid; grid-template-columns: 280px 1fr; min-height: 100vh; }
.sidebar { background: linear-gradient(180deg, #101c2c 0%, #0c1521 100%); color: #f6fafb; padding: 28px; display: flex; flex-direction: column; justify-content: space-between; }
.brand-block { display: flex; gap: 14px; align-items: flex-start; padding-bottom: 18px; border-bottom: 1px solid rgba(255,255,255,0.08); }
.brand-mark { width: 62px; height: 62px; border-radius: 14px; display: grid; place-items: center; background: rgba(255, 255, 255, 0.95); padding: 8px; box-shadow: 0 10px 24px rgba(0,0,0,0.18); }
.brand-mark img { width: 100%; height: auto; object-fit: contain; }
.brand-copy h1 { font-size: 1.12rem; margin: 0 0 6px; }
.brand-copy p { margin: 0; color: rgba(255, 255, 255, 0.78); }
.brand-copy small { display: block; margin-top: 6px; color: rgba(255,255,255,0.68); line-height: 1.45; }
.nav { display: grid; gap: 10px; margin-top: 30px; }
.nav a { padding: 12px 14px; border-radius: 12px; color: rgba(255, 255, 255, 0.84); border: 1px solid transparent; }
.nav a.active, .nav a:hover { background: rgba(255, 255, 255, 0.1); color: #fff; border-color: rgba(255,255,255,0.08); }
.sidebar-footer { display: grid; gap: 8px; color: rgba(255, 255, 255, 0.8); }
.content { padding: 30px; }
.page-head { display: flex; justify-content: space-between; gap: 24px; align-items: flex-start; margin-bottom: 24px; }
.page-head h2 { margin: 8px 0; font-size: 2rem; }
.eyebrow { color: var(--brand); text-transform: uppercase; letter-spacing: 0.12em; font-size: 0.78rem; font-weight: 700; }
.actions { display: flex; gap: 12px; }
.button, button { border: none; border-radius: 12px; padding: 12px 18px; font-size: 0.95rem; background: var(--brand); color: #fff; cursor: pointer; font-weight: 600; }
.button.secondary { background: #e7edf5; color: var(--accent); }
.button:hover, button:hover { filter: brightness(1.03); }
button:disabled,
.button.disabled {
    opacity: 0.62;
    cursor: not-allowed;
    filter: none;
}
.page-intro { display: flex; justify-content: space-between; gap: 18px; align-items: flex-start; padding: 22px; margin-bottom: 24px; border: 1px solid var(--line); border-radius: var(--radius); background: linear-gradient(180deg, rgba(196,150,68,0.08), rgba(31,75,122,0.04)); box-shadow: var(--shadow); }
.page-intro h3 { margin: 8px 0 0; font-size: 1.5rem; }
.page-intro p { margin: 10px 0 0; color: var(--muted); line-height: 1.65; max-width: 58rem; }
.metric-grid, .split { display: grid; gap: 18px; }
.metric-grid { grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); margin-bottom: 24px; }
.metric-card, .panel, .login-card, .event-card, .camera-card { position: relative; background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); overflow: hidden; }
.metric-card::before, .panel::before, .login-card::before, .event-card::before, .camera-card::before { content: ""; position: absolute; inset: 0 auto auto 0; width: 100%; height: 3px; background: linear-gradient(90deg, var(--brand), var(--accent)); }
.metric-card { padding: 22px; min-height: 128px; display: flex; flex-direction: column; justify-content: space-between; }
.metric-card strong { font-size: 2rem; }
.metric-card span { color: var(--muted); font-size: 0.86rem; }
.panel { padding: 22px; }
.split { grid-template-columns: 1.3fr 1fr; }
.panel-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 18px; gap: 12px; }
.event-list, .camera-list { display: grid; gap: 12px; }
.event-row, .camera-row, .camera-head { display: flex; justify-content: space-between; gap: 12px; align-items: center; }
.camera-card { padding: 16px; }
.badge { display: inline-flex; align-items: center; justify-content: center; padding: 6px 10px; border-radius: 999px; background: rgba(31,75,122,0.12); color: var(--accent); font-size: 0.78rem; font-weight: 700; text-transform: uppercase; }
.badge.soft { background: #edf2f6; color: #5b6b78; }
.badge.success { background: #dff4ea; color: var(--success); }
.badge.danger { background: #fde8e8; color: var(--danger); }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.form-grid.compact { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.form-grid label { display: grid; gap: 6px; font-size: 0.92rem; color: var(--muted); }
.form-grid label.checkbox { display: flex; align-items: center; gap: 10px; color: var(--text); }
.form-grid .full { grid-column: 1 / -1; }
.form-actions { display: flex; align-items: end; gap: 10px; }
select { border: 1px solid var(--line); border-radius: 12px; padding: 12px 14px; font-size: 1rem; background: #fff; }
.table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.table { width: 100%; min-width: 680px; border-collapse: collapse; }
.table th, .table td { text-align: left; padding: 12px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
.table th { color: var(--muted); text-transform: uppercase; letter-spacing: 0.08em; font-size: 0.78rem; }
.login-body { min-height: 100vh; display: grid; place-items: center; background: linear-gradient(145deg, #e7eff4, #f7fafc); }
.login-card { width: min(480px, calc(100vw - 32px)); padding: 34px; }
.login-logo { width: 92px; margin-bottom: 16px; }
.login-card form { display: grid; gap: 12px; margin-top: 22px; }
input { border: 1px solid var(--line); border-radius: 12px; padding: 12px 14px; font-size: 1rem; }
.help, .empty, small, p { color: var(--muted); }
.alert.danger { background: #fdecec; color: #9d2f2f; padding: 12px 14px; border-radius: 14px; }
.event-cards { display: grid; gap: 16px; }
.event-card { padding: 18px; display: grid; grid-template-columns: 150px 1fr; gap: 18px; transition: transform 120ms ease, box-shadow 120ms ease; }
.event-card:hover, .camera-card:hover, .queue-item:hover { transform: translateY(-1px); box-shadow: 0 14px 28px rgba(19,38,68,0.08); }
.thumb { background: var(--panel-alt); border-radius: 16px; min-height: 110px; display: grid; place-items: center; color: var(--muted); overflow: hidden; }
.thumb img { width: 100%; height: 100%; object-fit: cover; }
.camera-meta { display: flex; gap: 12px; flex-wrap: wrap; color: var(--muted); font-size: 0.88rem; margin-top: 10px; }
.camera-actions { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 14px; }
.preview-thumb { min-height: 180px; margin-top: 12px; }
.event-meta { display: flex; gap: 8px; margin-bottom: 12px; flex-wrap: wrap; }
.operator-layout { display: grid; grid-template-columns: minmax(320px, 420px) 1fr; gap: 18px; margin-bottom: 24px; }
.queue-list { max-height: 860px; overflow: auto; }
.queue-item { display: grid; grid-template-columns: 92px 1fr; gap: 12px; padding: 12px; border: 1px solid var(--line); border-radius: 16px; background: var(--panel-alt); }
.queue-item.selected { border-color: var(--brand); background: #f9f3e9; }
.queue-thumb { height: 88px; border-radius: 14px; overflow: hidden; background: #e6eef4; display: grid; place-items: center; }
.queue-thumb img, .detail-thumb img { width: 100%; height: 100%; object-fit: cover; }
.detail-grid { display: grid; grid-template-columns: 1.3fr 220px; gap: 18px; margin-bottom: 20px; }
.detail-thumb { min-height: 180px; border-radius: 16px; overflow: hidden; background: var(--panel-alt); display: grid; place-items: center; }
.form-stack { display: grid; gap: 18px; }
.danger-form button { background: var(--danger); }
.audit-strip { display: grid; gap: 10px; margin-top: 20px; }
.audit-row { display: flex; justify-content: space-between; gap: 8px; padding: 10px 0; border-bottom: 1px solid var(--line); }
.receipt-body { background: #edf2f5; padding: 30px; }
.receipt-sheet { max-width: 760px; margin: 0 auto; background: #fff; border-radius: 24px; padding: 34px; box-shadow: var(--shadow); }
.receipt-head { display: flex; justify-content: space-between; gap: 20px; align-items: flex-start; }
.receipt-brand { width: 72px; min-width: 72px; }
.receipt-subtitle { margin-top: 6px; color: var(--muted); }
.receipt-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; margin: 24px 0; }
.notice { border-top: 1px solid var(--line); padding-top: 18px; }
@media print {
    .no-print { display: none !important; }
    body { background: #fff; }
    .receipt-sheet { box-shadow: none; max-width: none; }
}
@media (max-width: 980px) {
    .shell { grid-template-columns: 1fr; }
    .sidebar { padding-bottom: 18px; }
    .split, .event-card, .operator-layout, .detail-grid, .receipt-grid, .form-grid, .form-grid.compact { grid-template-columns: 1fr; }
    .page-intro, .page-head { flex-direction: column; }
}
@media (max-width: 640px) {
    .content, .sidebar { padding: 18px; }
    .button, button { width: 100%; justify-content: center; }
    .actions, .camera-actions, .form-actions { flex-direction: column; align-items: stretch; }
}