:root {
    --app-ink: #17202a;
    --app-muted: #667085;
    --app-bg: #f5f7fb;
    --app-line: #d9e1ec;
    --app-accent: #0f766e;
    --app-accent-strong: #0b5f59;
    --app-warm: #f59e0b;
}

body {
    background: var(--app-bg);
    color: var(--app-ink);
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.app-card {
    border: 1px solid var(--app-line);
    border-radius: 8px;
    background: #fff;
    box-shadow: 0 12px 30px rgba(15, 23, 42, 0.06);
}

.attendance-shell {
    min-height: 100vh;
    padding: 22px 0;
}

.attendance-panel {
    max-width: 560px;
    margin: 0 auto;
}

.clock-box {
    border-radius: 8px;
    background: #102a43;
    color: #fff;
    padding: 18px;
}

.clock-time {
    font-size: clamp(2rem, 10vw, 3.8rem);
    font-weight: 800;
    line-height: 1;
    letter-spacing: 0;
}

.employee-radio {
    position: absolute;
    opacity: 0;
}

.employee-card {
    min-height: 76px;
    cursor: pointer;
    border: 2px solid var(--app-line);
    border-radius: 8px;
    background: #fff;
    transition: border-color 0.15s ease, box-shadow 0.15s ease, transform 0.15s ease;
}

.employee-card:hover,
.employee-card:focus-within {
    border-color: var(--app-accent);
    box-shadow: 0 8px 18px rgba(15, 118, 110, 0.12);
}

.employee-card.is-selected {
    border-color: var(--app-accent);
    background: #eefaf7;
}

.employee-code {
    color: var(--app-muted);
    font-size: 0.88rem;
}

.admin-layout {
    min-height: 100vh;
}

.admin-sidebar {
    background: #122033;
    color: #fff;
}

.admin-sidebar .nav-link {
    color: rgba(255, 255, 255, 0.78);
    border-radius: 8px;
    margin-bottom: 4px;
}

.admin-sidebar .nav-link.active,
.admin-sidebar .nav-link:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.12);
}

.metric {
    min-height: 128px;
}

.metric-value {
    font-size: 1.8rem;
    font-weight: 800;
}

.table thead th {
    white-space: nowrap;
    color: #344054;
    background: #f8fafc;
}

.btn-primary {
    --bs-btn-bg: var(--app-accent);
    --bs-btn-border-color: var(--app-accent);
    --bs-btn-hover-bg: var(--app-accent-strong);
    --bs-btn-hover-border-color: var(--app-accent-strong);
}

.qr-image {
    width: min(100%, 360px);
    aspect-ratio: 1 / 1;
}

@media (min-width: 992px) {
    .admin-sidebar {
        width: 280px;
        min-height: 100vh;
        position: sticky;
        top: 0;
    }
}