:root {
  --bg: #f4f1ea;
  --card: #ffffff;
  --ink: #23303b;
  --muted: #6b7782;
  --line: #e1dccf;
  --brand: #2f4f6f;
  --brand-ink: #ffffff;
  --go: #2e7d4f;
  --stop: #b3402f;
  --warn: #9a6a00;
  --warn-bg: #fff3d6;
  --ok-bg: #e3f3e8;
  --bad-bg: #fbe6e2;
  --radius: 12px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #161b21; --card: #1f262e; --ink: #e8ecef; --muted: #98a4ae; --line: #2f3944;
    --brand: #7fa6cc; --brand-ink: #101820; --go: #4fb27a; --stop: #e0735f;
    --warn: #e8b84a; --warn-bg: #3a2f12; --ok-bg: #163324; --bad-bg: #3b1c17;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font: 16px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
.wrap { max-width: 760px; margin: 0 auto; padding: 0 16px 48px; }
.pad { padding: 24px 16px; }
.center { text-align: center; }
.muted { color: var(--muted); }
.small { font-size: 13px; }
h1 { font-size: 22px; margin: 0; }
h2 { font-size: 18px; margin: 0 0 8px; }
h3 { font-size: 15px; margin: 0 0 4px; }

header.top {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 14px 16px; background: var(--brand); color: var(--brand-ink);
}
header.top .who { font-size: 13px; opacity: .9; text-align: right; }
header.top button { margin-left: 8px; }

nav.tabs {
  display: flex; gap: 4px; overflow-x: auto; padding: 10px 16px 0; max-width: 760px; margin: 0 auto;
}
nav.tabs button {
  flex: 0 0 auto; background: transparent; border: 0; border-bottom: 3px solid transparent;
  padding: 8px 12px; font: inherit; color: var(--muted); cursor: pointer;
}
nav.tabs button.on { color: var(--ink); border-color: var(--brand); font-weight: 600; }

.card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 16px; margin-top: 14px;
}
.row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.row.between { justify-content: space-between; }
.grow { flex: 1 1 auto; }

label { display: block; font-size: 14px; font-weight: 600; margin: 12px 0 4px; }
input, select, textarea {
  width: 100%; font: inherit; color: inherit; background: var(--card);
  border: 1px solid var(--line); border-radius: 8px; padding: 10px;
}
textarea { min-height: 90px; resize: vertical; }
input:focus, select:focus, textarea:focus, button:focus-visible { outline: 3px solid color-mix(in srgb, var(--brand) 40%, transparent); outline-offset: 1px; }

button {
  font: inherit; border: 1px solid var(--line); background: var(--card); color: var(--ink);
  border-radius: 8px; padding: 9px 14px; cursor: pointer;
}
button:disabled { opacity: .55; cursor: wait; }
button.primary { background: var(--brand); color: var(--brand-ink); border-color: var(--brand); font-weight: 600; }
button.danger { color: var(--stop); }
button.small { padding: 5px 9px; font-size: 13px; }
header.top button { background: transparent; color: var(--brand-ink); border-color: rgba(255,255,255,.5); }
button.big {
  width: 100%; padding: 22px; font-size: 22px; font-weight: 700; border-radius: 16px; border: 0; color: #fff;
}
button.big.in { background: var(--go); }
button.big.out { background: var(--stop); }

.clock-status { font-size: 15px; margin-bottom: 14px; }
.elapsed { font-size: 40px; font-weight: 700; letter-spacing: 1px; font-variant-numeric: tabular-nums; }

.pnav { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin-top: 14px; }
.pnav .label { font-weight: 600; text-align: center; flex: 1; }

table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 8px 6px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-size: 12px; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
.tablewrap { overflow-x: auto; }

.badge {
  display: inline-block; font-size: 12px; padding: 2px 8px; border-radius: 999px;
  background: var(--line); color: var(--ink); white-space: nowrap; text-decoration: none;
}
.badge.ok { background: var(--ok-bg); }
.badge.warn { background: var(--warn-bg); color: var(--warn); }
.badge.bad { background: var(--bad-bg); color: var(--stop); }

.notice { background: var(--warn-bg); color: var(--warn); padding: 10px 12px; border-radius: 8px; font-size: 14px; margin-top: 12px; }
.error { background: var(--bad-bg); color: var(--stop); padding: 10px 12px; border-radius: 8px; font-size: 14px; margin-top: 12px; }

details summary { cursor: pointer; font-weight: 600; }

#modal {
  position: fixed; inset: 0; background: rgba(0,0,0,.45); display: flex;
  align-items: flex-start; justify-content: center; padding: 24px 12px; overflow-y: auto; z-index: 20;
}
#modal[hidden] { display: none; }
#modal .card { width: 100%; max-width: 460px; margin-top: 0; }

#toast {
  position: fixed; left: 50%; bottom: 20px; transform: translateX(-50%) translateY(20px);
  background: #23303b; color: #fff; padding: 10px 16px; border-radius: 999px; font-size: 14px;
  opacity: 0; pointer-events: none; transition: all .2s; z-index: 30; max-width: 90vw; text-align: center;
}
#toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
#toast.err { background: var(--stop); }

.login { max-width: 420px; margin: 8vh auto 0; padding: 0 16px; }