:root {
  --bg: #f5f7fb; --card: #ffffff; --text: #0f172a; --muted: #64748b; --line: #e2e8f0;
  --primary: #2563eb; --primary-ink: #ffffff; --primary-soft: #dbeafe;
  --green: #16a34a; --green-soft: #dcfce7; --red: #dc2626; --amber: #d97706; --amber-soft: #fef3c7;
  --shadow: 0 1px 2px rgba(15,23,42,.06), 0 4px 14px rgba(15,23,42,.06);
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) { --bg:#0b1220; --card:#131c2e; --text:#e5eaf3; --muted:#94a3b8; --line:#23304a;
    --primary:#3b82f6; --primary-soft:#1e3a6e; --green:#22c55e; --green-soft:#12361f; --red:#f87171; --amber:#fbbf24; --amber-soft:#3a2f10;
    --shadow: 0 1px 2px rgba(0,0,0,.4), 0 4px 14px rgba(0,0,0,.35); color-scheme: dark; }
}
:root[data-theme="dark"] { --bg:#0b1220; --card:#131c2e; --text:#e5eaf3; --muted:#94a3b8; --line:#23304a;
  --primary:#3b82f6; --primary-soft:#1e3a6e; --green:#22c55e; --green-soft:#12361f; --red:#f87171; --amber:#fbbf24; --amber-soft:#3a2f10;
  --shadow: 0 1px 2px rgba(0,0,0,.4), 0 4px 14px rgba(0,0,0,.35); color-scheme: dark; }
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--text); font: 16px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
button, input, select { font: inherit; color: inherit; }
.boot { text-align: center; margin-top: 30vh; color: var(--muted); }
.wrap { max-width: 560px; margin: 0 auto; padding: 12px 16px 80px; }
h1 { font-size: 1.5rem; margin: 0 0 .5rem; } h2 { font-size: 1.15rem; margin: 0 0 .75rem; }
.muted { color: var(--muted); } .small { font-size: .85rem; }
.card { background: var(--card); border-radius: 18px; box-shadow: var(--shadow); padding: 16px; margin: 12px 0; }
.row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; } .row.end { justify-content: flex-end; } .row.between { justify-content: space-between; }
.stack > * + * { margin-top: 12px; }
label.field { display: block; font-size: .9rem; color: var(--muted); }
label.field > span { display: block; margin-bottom: 4px; }
input, select { width: 100%; min-height: 48px; padding: 10px 12px; border-radius: 12px; border: 1px solid var(--line); background: var(--card); }
input:focus-visible, select:focus-visible, button:focus-visible { outline: 3px solid var(--primary); outline-offset: 1px; }
input[type="checkbox"] { width: 24px; min-height: 24px; height: 24px; accent-color: var(--primary); }
.check { display: flex; gap: 10px; align-items: center; min-height: 44px; }
.btn { min-height: 48px; padding: 10px 18px; border-radius: 12px; border: 1px solid var(--line); background: var(--card); cursor: pointer; font-weight: 600; }
.btn.primary { background: var(--primary); border-color: var(--primary); color: var(--primary-ink); }
.btn.danger { background: var(--red); border-color: var(--red); color: #fff; }
.btn.ghost { background: transparent; } .btn.small { min-height: 36px; padding: 4px 12px; font-size: .9rem; }
.btn.block { width: 100%; } .btn[disabled] { opacity: .5; cursor: default; }
.link { background: none; border: 0; color: var(--primary); cursor: pointer; padding: 8px 0; min-height: 40px; font-weight: 600; }
.error { color: var(--red); font-size: .92rem; min-height: 1.2em; }
.auth { max-width: 420px; margin: 0 auto; padding: 8vh 20px 40px; }
.auth h1 { text-align: center; margin-bottom: 1.2rem; }
.role { display: block; padding: 14px; border: 2px solid var(--line); border-radius: 14px; margin: 8px 0; cursor: pointer; }
.role.on { border-color: var(--primary); background: var(--primary-soft); } .role.off { opacity: .55; cursor: default; }
.role b { display: block; }
/* top bar */
.top { display: flex; align-items: center; gap: 12px; padding: 6px 0; }
.top .who { flex: 1; min-width: 0; } .top .who b { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.iconbtn { width: 48px; height: 48px; border-radius: 50%; border: 1px solid var(--line); background: var(--card); cursor: pointer; font-size: 1.3rem; }
/* clock */
.clock { display: flex; flex-direction: column; align-items: center; padding: 8px 0 4px; }
.bigbtn { width: 220px; height: 220px; border-radius: 50%; border: 0; background: var(--primary); color: #fff; font-size: 1.5rem; font-weight: 700; cursor: pointer; box-shadow: var(--shadow); }
.bigbtn.working { background: var(--amber); display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 6px; }
.bigbtn .timer { font-size: 2.1rem; font-variant-numeric: tabular-nums; }
.split { width: 220px; height: 220px; border-radius: 50%; overflow: hidden; display: flex; flex-direction: column; box-shadow: var(--shadow); }
.split button { flex: 1; border: 0; color: #fff; font-size: 1.2rem; font-weight: 700; cursor: pointer; }
.split .go { background: var(--green); } .split .stop { background: var(--red); }
.today { margin-top: 12px; color: var(--muted); }
.today b { color: var(--text); }
/* schedule */
.seg { display: inline-flex; border: 1px solid var(--line); border-radius: 12px; overflow: hidden; }
.seg button { border: 0; background: var(--card); padding: 8px 16px; min-height: 40px; cursor: pointer; font-weight: 600; }
.seg button.on { background: var(--primary); color: #fff; }
.day { padding: 10px 12px; border-radius: 14px; border: 1px solid var(--line); margin: 8px 0; background: var(--card); }
.day.today-row { border-color: var(--primary); background: var(--primary-soft); }
.day .dh { display: flex; justify-content: space-between; align-items: baseline; gap: 8px; }
.day .dh b { font-size: 1rem; } .day .tot { font-weight: 700; font-variant-numeric: tabular-nums; }
.chip { display: inline-block; padding: 3px 10px; border-radius: 999px; font-size: .85rem; margin: 3px 4px 0 0; background: var(--bg); border: 1px solid var(--line); cursor: pointer; }
.chip.plan { background: var(--primary-soft); border-color: transparent; }
.chip.work { background: var(--green-soft); border-color: transparent; } .chip.pause { background: var(--amber-soft); border-color: transparent; }
.chip.live { border: 1px dashed var(--green); }
.week { display: grid; gap: 6px; }
.stat { display: flex; justify-content: space-between; padding: 8px 0; border-bottom: 1px solid var(--line); } .stat:last-child { border: 0; }
.stat b { font-variant-numeric: tabular-nums; }
.over { color: var(--primary); } .under { color: var(--amber); }
.warn { background: var(--amber-soft); color: var(--text); padding: 10px 12px; border-radius: 12px; margin: 8px 0; font-size: .92rem; }
/* modal */
.modal-back { position: fixed; inset: 0; background: rgba(2,6,23,.55); display: flex; align-items: flex-end; justify-content: center; z-index: 20; }
.modal { background: var(--card); width: 100%; max-width: 520px; max-height: 92vh; overflow: auto; border-radius: 22px 22px 0 0; padding: 20px 18px calc(20px + env(safe-area-inset-bottom)); }
@media (min-width: 640px) { .modal-back { align-items: center; } .modal { border-radius: 22px; } }
.toast { position: fixed; left: 50%; bottom: 24px; transform: translateX(-50%); background: var(--text); color: var(--bg); padding: 10px 18px; border-radius: 999px; z-index: 30; max-width: 90vw; }
.hidden { display: none !important; }
@media (min-width: 900px) { .wrap { max-width: 640px; } }

.wk-nav { display: flex; align-items: center; justify-content: space-between; gap: 8px; flex-wrap: nowrap; }
.wk-nav b { flex: 1; text-align: center; font-size: .95rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.wk { width: 100%; border-collapse: collapse; margin: 8px 0; font-variant-numeric: tabular-nums; }
.wk th { text-align: left; font-size: .8rem; color: var(--muted); font-weight: 600; padding: 4px 6px; }
.wk td { padding: 10px 6px; border-top: 1px solid var(--line); font-size: .92rem; vertical-align: top; }
.wk tr.tr { cursor: pointer; } .wk tr.today-row td { background: var(--primary-soft); }
.wk td.h { text-align: right; font-weight: 700; white-space: nowrap; }
.wk-total { text-align: right; font-weight: 700; padding: 6px; }
.big { margin: 12px 0 6px; } .big b { font-size: 1.8rem; font-variant-numeric: tabular-nums; }
.bar { position: relative; height: 10px; border-radius: 6px; background: var(--line); overflow: hidden; margin-bottom: 8px; }
.bar i { position: absolute; left: 0; top: 0; bottom: 0; border-radius: 6px; }
.bar i.fc { background: var(--primary); opacity: .3; } .bar i.wk { background: var(--primary); }
.wk { width: 100%; table-layout: fixed; } .wk th:first-child { width: 44px; } .wk th:last-child { width: 52px; } .wk td { font-variant-numeric: tabular-nums; overflow-wrap: anywhere; } .wk td:nth-child(2), .wk td:nth-child(3) { font-size: .9rem; }