:root {
  --bg: #f4f5f7;
  --card: #ffffff;
  --text: #16181c;
  --muted: #6b7280;
  --line: #e5e7eb;
  --accent: #2563eb;
  --accent-text: #ffffff;
  --in: #0e7490;
  --out: #be185d;
  --ok: #15803d;
  --warn: #b45309;
  --ng: #b91c1c;
  --off-bg: #eef0f3;
  --chip: #eef2ff;
  --chip-text: #3730a3;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #16181c;
    --card: #20242a;
    --text: #eceef1;
    --muted: #9aa3af;
    --line: #2f343c;
    --accent: #3b82f6;
    --in: #22d3ee;
    --out: #f472b6;
    --ok: #4ade80;
    --warn: #fbbf24;
    --ng: #f87171;
    --off-bg: #1b1e23;
    --chip: #262b45;
    --chip-text: #c7d2fe;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  background: var(--bg);
  color: var(--text);
  font: 16px/1.5 -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Noto Sans JP", sans-serif;
  padding: env(safe-area-inset-top) 0 calc(env(safe-area-inset-bottom) + 24px);
  -webkit-text-size-adjust: 100%;
}
button, input { font: inherit; color: inherit; }

.top {
  display: flex; align-items: center; justify-content: space-between;
  max-width: 560px; margin: 0 auto; padding: 14px 16px 6px;
}
.top h1 { font-size: 20px; margin: 0; letter-spacing: .02em; }
main { max-width: 560px; margin: 0 auto; padding: 0 16px; }

.muted { color: var(--muted); }
.center { text-align: center; }
.small { font-size: 13px; }

.card {
  background: var(--card); border: 1px solid var(--line); border-radius: 14px;
  padding: 14px; margin: 10px 0;
}
.card.off { background: var(--off-bg); }
.card.today { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent) inset; }

.day-head { display: flex; align-items: baseline; gap: 8px; flex-wrap: wrap; }
.day-head .date { font-weight: 700; font-size: 17px; }
.day-head .sched { color: var(--muted); font-size: 13px; }
.chip {
  font-size: 12px; padding: 1px 8px; border-radius: 999px;
  background: var(--chip); color: var(--chip-text); white-space: nowrap;
}
.chip.off { background: transparent; border: 1px solid var(--line); color: var(--muted); }
.chip.today { background: var(--accent); color: var(--accent-text); }

.rows { margin-top: 8px; display: grid; gap: 4px; }
.row { display: flex; align-items: center; gap: 10px; }
.row .kind { width: 2.6em; font-weight: 700; }
.row .kind.in { color: var(--in); }
.row .kind.out { color: var(--out); }
.row .time { font-variant-numeric: tabular-nums; font-size: 18px; font-weight: 600; }
.row .src { font-size: 12px; color: var(--muted); }
.st-done { color: var(--ok); }
.st-skipped { color: var(--warn); }
.st-failed { color: var(--ng); }
.reason { margin-top: 6px; font-size: 13px; color: var(--muted); }

.actions { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 10px; }
.btn {
  border: 1px solid var(--line); background: var(--card); border-radius: 10px;
  padding: 8px 14px; min-height: 40px; cursor: pointer;
}
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-text); }
.btn.danger { border-color: var(--ng); color: var(--ng); }
.btn.armed { background: var(--ng); border-color: var(--ng); color: #fff; }
.btn:disabled { opacity: .5; }
.btn.block { width: 100%; }
.link { background: none; border: 0; color: var(--accent); padding: 4px; cursor: pointer; }

.editor { margin-top: 12px; padding-top: 12px; border-top: 1px dashed var(--line); display: grid; gap: 10px; }
.editor label { display: flex; align-items: center; gap: 10px; }
.editor label span { width: 3.2em; color: var(--muted); font-size: 14px; }
.editor input[type="time"] {
  flex: 1; min-height: 40px; padding: 6px 10px; border: 1px solid var(--line);
  border-radius: 10px; background: var(--bg);
}
.seg { display: grid; grid-template-columns: repeat(3, 1fr); border: 1px solid var(--line); border-radius: 10px; overflow: hidden; }
.seg button { border: 0; background: transparent; padding: 8px 4px; min-height: 40px; cursor: pointer; }
.seg button + button { border-left: 1px solid var(--line); }
.seg button[aria-pressed="true"] { background: var(--accent); color: var(--accent-text); }
.hint { font-size: 12px; color: var(--muted); margin: 0; }

.banner { border-radius: 12px; padding: 10px 12px; margin: 10px 0; font-size: 14px; border: 1px solid var(--warn); color: var(--warn); }

.login { margin-top: 18vh; text-align: center; }
.login p { margin: 8px 0 18px; }
.login input {
  width: 100%; min-height: 44px; padding: 8px 12px; border-radius: 10px;
  border: 1px solid var(--line); background: var(--card); margin-bottom: 10px;
}

details.log { margin: 18px 0; }
details.log summary { cursor: pointer; color: var(--muted); font-size: 14px; }
details.log ul { list-style: none; padding: 0; margin: 8px 0; font-size: 13px; }
details.log li { padding: 6px 0; border-bottom: 1px solid var(--line); }
details.log time { color: var(--muted); margin-right: 6px; font-variant-numeric: tabular-nums; }

#toast {
  position: fixed; left: 50%; bottom: calc(env(safe-area-inset-bottom) + 18px); transform: translateX(-50%);
  background: var(--text); color: var(--bg); padding: 10px 16px; border-radius: 12px;
  max-width: calc(100% - 32px); font-size: 14px; box-shadow: 0 6px 24px rgba(0,0,0,.2);
}