:root {
    --bg: #f4f6fb;
    --surface: #ffffff;
    --surface-2: #f8fafc;
    --border: #e4e8f0;
    --text: #1e2533;
    --muted: #6b7384;
    --primary: #3b5bdb;
    --primary-dark: #2f49b0;
    --success: #2f9e44;
    --success-bg: #e6f6ec;
    --danger: #e03131;
    --danger-bg: #fcebeb;
    --warning: #f08c00;
    --warning-bg: #fff4e2;
    --radius: 12px;
    --shadow: 0 1px 3px rgba(18, 28, 53, .08), 0 1px 2px rgba(18, 28, 53, .06);
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.5;
}

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

/* ---------- Layout ---------- */
.layout { display: flex; min-height: 100vh; }

.sidebar {
    width: 240px;
    background: #141a2e;
    color: #c7cde0;
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    padding: 20px 14px;
}
.brand, .auth-brand {
    font-size: 20px; font-weight: 700; color: #fff;
    display: flex; align-items: center; gap: 10px; margin-bottom: 24px;
}
.brand-dot {
    width: 12px; height: 12px; border-radius: 50%;
    background: var(--primary); box-shadow: 0 0 0 4px rgba(59,91,219,.25);
}
.nav { display: flex; flex-direction: column; gap: 4px; }
.nav a {
    display: flex; align-items: center; gap: 10px;
    padding: 10px 12px; border-radius: 9px;
    color: #c7cde0; font-size: 14.5px; font-weight: 500;
}
.nav a:hover { background: rgba(255,255,255,.07); text-decoration: none; }
.nav a.active { background: var(--primary); color: #fff; }
.nav-section {
    font-size: 11px; text-transform: uppercase; letter-spacing: .06em;
    color: #6b7394; margin: 18px 12px 6px;
}

.main { flex: 1; display: flex; flex-direction: column; min-width: 0; }

.topbar {
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    padding: 14px 24px;
    display: flex; align-items: center; gap: 16px;
}
.topbar h1 { font-size: 18px; margin: 0; flex: 1; }
.burger { display: none; background: none; border: none; font-size: 22px; cursor: pointer; }
.user-box { display: flex; align-items: center; gap: 10px; }
.user-name { font-size: 14px; font-weight: 600; }

.content { padding: 24px; max-width: 1100px; width: 100%; }

/* ---------- Cards ---------- */
.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 20px;
    margin-bottom: 20px;
}
.card h2 { margin: 0 0 16px; font-size: 16px; }
.card-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; }
.card-head h2 { margin: 0; }

.grid { display: grid; gap: 20px; }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.grid-4 { grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); }

/* ---------- Stat tiles ---------- */
.stat {
    background: var(--surface); border: 1px solid var(--border);
    border-radius: var(--radius); box-shadow: var(--shadow); padding: 18px 20px;
}
.stat .label { font-size: 13px; color: var(--muted); margin-bottom: 6px; }
.stat .value { font-size: 26px; font-weight: 700; }
.stat .value small { font-size: 14px; font-weight: 500; color: var(--muted); }

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    background: var(--primary); color: #fff; border: 1px solid var(--primary);
    padding: 10px 18px; border-radius: 9px; font-size: 14.5px; font-weight: 600;
    cursor: pointer; text-decoration: none;
}
.btn:hover { background: var(--primary-dark); border-color: var(--primary-dark); text-decoration: none; }
.btn-sm { padding: 6px 12px; font-size: 13px; }
.btn-lg { padding: 16px 28px; font-size: 17px; }
.btn-ghost { background: transparent; color: var(--text); border-color: var(--border); }
.btn-ghost:hover { background: var(--surface-2); }
.btn-success { background: var(--success); border-color: var(--success); }
.btn-success:hover { filter: brightness(.95); }
.btn-danger { background: var(--danger); border-color: var(--danger); }
.btn-danger:hover { filter: brightness(.95); }
.btn-warning { background: var(--warning); border-color: var(--warning); }
.btn-block { width: 100%; }
.inline { display: inline; }
.actions { display: flex; gap: 10px; flex-wrap: wrap; }

/* ---------- Forms ---------- */
.form-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; }
.field { display: flex; flex-direction: column; gap: 6px; }
.field.full { grid-column: 1 / -1; }
label { font-size: 13px; font-weight: 600; color: var(--text); }
input, select, textarea {
    font: inherit; padding: 10px 12px; border: 1px solid var(--border);
    border-radius: 9px; background: #fff; color: var(--text); width: 100%;
}
input:focus, select:focus, textarea:focus {
    outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(59,91,219,.15);
}
.hint { font-size: 12px; color: var(--muted); }
.form-footer { margin-top: 20px; display: flex; gap: 10px; }

/* ---------- Tables ---------- */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 11px 12px; border-bottom: 1px solid var(--border); }
th { font-size: 12px; text-transform: uppercase; letter-spacing: .03em; color: var(--muted); }
tbody tr:hover { background: var(--surface-2); }
.table-actions { white-space: nowrap; text-align: right; }

/* ---------- Badges & alerts ---------- */
.badge {
    display: inline-block; padding: 3px 10px; border-radius: 999px;
    font-size: 12px; font-weight: 600; background: var(--surface-2); color: var(--muted);
    border: 1px solid var(--border);
}
.badge-admin { background: #eef1fe; color: var(--primary); border-color: #d7ddfb; }
.badge-success { background: var(--success-bg); color: var(--success); border-color: #c3e9cf; }
.badge-danger { background: var(--danger-bg); color: var(--danger); border-color: #f3c6c6; }
.badge-warning { background: var(--warning-bg); color: var(--warning); border-color: #f6ddb0; }
.badge-in { background: var(--success-bg); color: var(--success); border-color: #c3e9cf; }
.badge-break { background: var(--warning-bg); color: var(--warning); border-color: #f6ddb0; }
.badge-out { background: var(--surface-2); color: var(--muted); }

.alert {
    padding: 12px 16px; border-radius: 9px; margin-bottom: 16px;
    font-size: 14px; border: 1px solid transparent;
}
.alert-success { background: var(--success-bg); color: #1b6e2c; border-color: #c3e9cf; }
.alert-error { background: var(--danger-bg); color: #a61b1b; border-color: #f3c6c6; }

/* ---------- Clock panel ---------- */
.clock-panel { text-align: center; padding: 30px 20px; }
.live-clock { font-size: 52px; font-weight: 700; letter-spacing: .02em; font-variant-numeric: tabular-nums; }
.live-date { color: var(--muted); margin-bottom: 8px; text-transform: capitalize; }
.state-pill {
    display: inline-block; margin: 14px 0; padding: 8px 18px; border-radius: 999px;
    font-weight: 600; font-size: 15px;
}
.punch-buttons { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; margin-top: 10px; }

.muted { color: var(--muted); }
.text-right { text-align: right; }
.mb-0 { margin-bottom: 0; }
.dl { display: grid; grid-template-columns: 160px 1fr; gap: 8px 16px; font-size: 14.5px; }
.dl dt { color: var(--muted); }
.dl dd { margin: 0; font-weight: 500; }

/* ---------- Toolbar ---------- */
.toolbar { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; margin-bottom: 18px; }
.toolbar .spacer { flex: 1; }
.search-box { display: flex; gap: 8px; }
.search-box input { min-width: 220px; }

/* ---------- Auth ---------- */
.auth-body { display: flex; align-items: center; justify-content: center; min-height: 100vh; padding: 20px; }
.auth-card {
    background: var(--surface); border: 1px solid var(--border); border-radius: 16px;
    box-shadow: var(--shadow); padding: 32px; width: 100%; max-width: 400px;
}
.auth-brand { justify-content: center; color: var(--text); margin-bottom: 24px; }
.auth-hint { margin-top: 18px; font-size: 13px; color: var(--muted); text-align: center; }
.auth-hint code { background: var(--surface-2); padding: 2px 6px; border-radius: 5px; }

/* ---------- Print ---------- */
.print-body { background: #fff; color: #000; padding: 20px; }
.print-actions { margin-bottom: 16px; display: flex; gap: 10px; }
.print-sheet { max-width: 820px; margin: 0 auto; }
.print-sheet h1 { font-size: 22px; margin-bottom: 4px; }
.print-sheet table { font-size: 13px; }
@media print {
    .no-print { display: none !important; }
    body { padding: 0; }
}

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
    .sidebar {
        position: fixed; left: 0; top: 0; bottom: 0; z-index: 50;
        transform: translateX(-100%); transition: transform .2s;
    }
    .sidebar.open { transform: translateX(0); }
    .burger { display: block; }
    .user-name { display: none; }
    .dl { grid-template-columns: 1fr; gap: 2px 0; }
    .dl dt { margin-top: 8px; }
}