:root {
  --bg: #f6f7f9; --panel: #fff; --text: #16181d; --muted: #667085; --line: #e3e6eb; --line-strong: #cfd4dc;
  --accent: #2563eb; --accent-soft: #e8efff; --warn: #b45309; --warn-soft: #fff4e0; --bad: #b42318; --bad-soft: #fde8e7;
  --ok-soft: #e7f6ec; --ok: #067647; --hover: #f1f3f6;
  --radius: 8px; --shadow: 0 8px 30px rgba(16, 24, 40, .18);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; font-size: 14px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1115; --panel: #171a21; --text: #e6e8ec; --muted: #98a2b3; --line: #262b35; --line-strong: #353b47;
    --accent: #6d9bff; --accent-soft: #1b2640; --warn: #f5b44a; --warn-soft: #33270f; --bad: #ff8a80; --bad-soft: #3a1714;
    --ok-soft: #10301f; --ok: #5ad08f; --hover: #1e222b; --shadow: 0 8px 30px rgba(0, 0, 0, .5);
    color-scheme: dark;
  }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); }
button, input, select, textarea { font: inherit; color: inherit; }
a { color: var(--accent); }
.muted { color: var(--muted); }
.small { font-size: 12px; }
.boot { padding: 40px; text-align: center; }

/* Top bar */
.top { display: flex; align-items: center; gap: 16px; padding: 0 20px; height: 52px; background: var(--panel);
  border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 5; }
.brand { font-weight: 700; font-size: 16px; display: flex; align-items: center; gap: 8px; }
.brand .dot { width: 10px; height: 10px; border-radius: 50%; background: var(--accent); }
.nav { display: flex; gap: 4px; flex: 1; overflow-x: auto; }
.nav a { padding: 6px 10px; border-radius: 6px; text-decoration: none; color: var(--muted); white-space: nowrap; }
.nav a:hover { background: var(--hover); color: var(--text); }
.nav a.on { background: var(--accent-soft); color: var(--accent); font-weight: 600; }
.who { display: flex; align-items: center; gap: 10px; white-space: nowrap; }

main { padding: 20px; max-width: 1500px; margin: 0 auto; }
h1 { font-size: 20px; margin: 0; }
.bar { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-bottom: 14px; }
.bar .grow { flex: 1; }

/* Controls */
.btn { border: 1px solid var(--line-strong); background: var(--panel); border-radius: 6px; padding: 6px 12px; cursor: pointer; }
.btn:hover { background: var(--hover); }
.btn:disabled { opacity: .5; cursor: default; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.primary:hover { filter: brightness(1.08); }
.btn.danger { color: var(--bad); }
.btn.link { border: 0; background: none; color: var(--accent); padding: 4px 6px; }
.btn.icon { padding: 6px 10px; }
input[type=text], input[type=search], input[type=email], input[type=password], input[type=datetime-local], select, textarea {
  border: 1px solid var(--line-strong); background: var(--panel); border-radius: 6px; padding: 6px 10px; }
input:focus, select:focus, textarea:focus, .btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }
.search { min-width: 240px; flex: 0 1 340px; }
label.check { display: inline-flex; align-items: center; gap: 6px; color: var(--muted); cursor: pointer; }

.panel { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); }
.badge { display: inline-block; padding: 1px 7px; border-radius: 10px; font-size: 12px; background: var(--hover); color: var(--muted); }
.badge.warn { background: var(--warn-soft); color: var(--warn); }
.badge.bad { background: var(--bad-soft); color: var(--bad); }
.badge.ok { background: var(--ok-soft); color: var(--ok); }
.badge.accent { background: var(--accent-soft); color: var(--accent); }
.error { background: var(--bad-soft); color: var(--bad); padding: 8px 12px; border-radius: 6px; margin: 8px 0; }
.empty { padding: 40px; text-align: center; color: var(--muted); }

/* Tables */
.scroll { overflow: auto; max-height: calc(100vh - 170px); }
table { border-collapse: separate; border-spacing: 0; width: 100%; }
th, td { padding: 7px 10px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
th { position: sticky; top: 0; background: var(--panel); z-index: 2; font-weight: 600; color: var(--muted); font-size: 12px; white-space: nowrap; }
tr.click { cursor: pointer; }
tr.click:hover td { background: var(--hover); }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
.voided td { color: var(--muted); text-decoration: line-through; }
.voided td.keep { text-decoration: none; }

/* Calendar */
.cal th.day { text-align: center; min-width: 118px; }
.cal th.day.today { color: var(--accent); }
.cal td.name, .cal th.name { position: sticky; left: 0; background: var(--panel); z-index: 1; min-width: 140px; font-weight: 600; }
.cal th.name { z-index: 3; }
.cal td.cell { padding: 3px; border-left: 1px solid var(--line); }
.shift { display: block; width: 100%; border: 0; border-radius: 6px; padding: 6px 6px; text-align: center; cursor: pointer;
  background: var(--accent-soft); color: var(--text); min-height: 44px; }
.shift:hover { outline: 2px solid var(--accent); }
.shift .t { font-variant-numeric: tabular-nums; font-size: 12px; }
.shift .h { font-weight: 600; font-variant-numeric: tabular-nums; }
.shift.flag { background: var(--warn-soft); }
.shift.flag .h::after { content: " ⚠"; color: var(--warn); }
.shift.none { background: transparent; color: var(--muted); }
.shift.none:hover { background: var(--hover); outline: 1px dashed var(--line-strong); }
.shift.today-open { background: var(--ok-soft); }
/* The whole footer sticks (both total rows), not each cell, so the rows don't stack on top of each other. */
.cal tfoot { position: sticky; bottom: 0; z-index: 2; }
.cal tfoot td { font-weight: 600; background: var(--panel); }
.cal tfoot tr:first-child td { border-top: 1px solid var(--line-strong); }

/* Drawer (day detail) */
.scrim { position: fixed; inset: 0; background: rgba(0, 0, 0, .35); z-index: 20; display: flex; justify-content: flex-end; }
.drawer { width: min(720px, 100vw); height: 100%; background: var(--panel); box-shadow: var(--shadow); display: flex; flex-direction: column; }
.drawer header { display: flex; align-items: center; gap: 8px; padding: 14px 18px; border-bottom: 1px solid var(--line); }
.drawer header h2 { font-size: 17px; margin: 0; flex: 1; }
.drawer .body { padding: 16px 18px; overflow: auto; flex: 1; }
.stats { display: grid; grid-template-columns: repeat(5, 1fr); gap: 8px; margin-bottom: 14px; }
.stat { background: var(--bg); border-radius: 6px; padding: 8px 10px; }
.stat b { display: block; font-size: 16px; font-variant-numeric: tabular-nums; }
.stat span { font-size: 12px; color: var(--muted); }
.flags { margin-bottom: 12px; display: flex; flex-wrap: wrap; gap: 6px; }
.clocks td { vertical-align: middle; }
.clocks input[type=datetime-local] { width: 190px; }
.clocks input[type=text] { width: 100%; min-width: 100px; }
.addrow td { background: var(--bg); }
.note { margin-top: 14px; font-size: 12px; color: var(--muted); }

/* Sign-in */
.auth { max-width: 360px; margin: 10vh auto; padding: 28px; }
.auth h1 { margin-bottom: 4px; }
.auth form { display: grid; gap: 10px; margin-top: 18px; }
.auth input { width: 100%; padding: 9px 12px; }
.auth .btn { padding: 9px; }

@media (max-width: 700px) {
  .top { padding: 0 12px; gap: 8px; }
  .who .name, .who .badge { display: none; }
  main { padding: 12px 16px; }
  .search { min-width: 0; flex: 1 1 100%; }
  .stats { grid-template-columns: repeat(3, 1fr); }
}