/* 線上計時器 */
.tool { display: flex; flex-direction: column; gap: 18px; }
.lead { margin: 0; text-align: center; color: var(--muted); }
.panel { padding: 20px 16px; background: var(--panel); border: 1px solid var(--line); border-radius: 12px; text-align: center; }

.tabs { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; }
.tab {
  min-height: 44px; padding: 8px 20px; font: inherit; font-weight: 700; color: var(--ink); background: var(--panel);
  border: 2px solid var(--line); border-radius: 999px; cursor: pointer;
}
.tab:hover, .tab:focus-visible { border-color: var(--accent); outline: none; }
.tab.on { background: var(--accent-soft); border-color: var(--accent); color: var(--accent); }

.digits {
  margin: 4px 0 14px; font-family: ui-monospace, "Cascadia Mono", Consolas, monospace; font-weight: 700;
  font-size: clamp(2.5rem, 12vw, 5rem); line-height: 1.1; letter-spacing: .02em; font-variant-numeric: tabular-nums;
}
.digits.done { color: #C0392B; }
.sub { margin: 0 0 12px; color: var(--muted); }
.btns { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; }
.btn-s {
  min-height: 48px; min-width: 6rem; padding: 6px 20px; font: inherit; font-weight: 700; color: var(--ink); background: var(--panel);
  border: 2px solid var(--line); border-radius: 999px; cursor: pointer;
}
.btn-s:hover:not(:disabled), .btn-s:focus-visible { border-color: var(--accent); outline: none; }
.btn-s:disabled { opacity: .4; cursor: default; }
.btn-s.go { background: var(--accent); border-color: var(--accent); color: #fff; }

.setter { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 8px; margin-bottom: 12px; }
.setter label { display: flex; align-items: center; gap: 4px; font-weight: 700; }
.setter input[type="number"] { width: 4.5rem; font: inherit; font-size: 1.5rem; padding: 6px 8px; text-align: center; border: 2px solid var(--accent); border-radius: 10px; background: var(--panel); color: var(--ink); }
.setter input[type="time"] { font: inherit; font-size: 1.75rem; padding: 6px 10px; border: 2px solid var(--accent); border-radius: 10px; background: var(--panel); color: var(--ink); }
.setter input[type="date"], .setter input[type="text"], .setter select { font: inherit; font-size: 1.125rem; min-height: 3rem; padding: 6px 10px; border: 2px solid var(--accent); border-radius: 10px; background: var(--panel); color: var(--ink); }
.tab { white-space: nowrap; padding-inline: 16px; }
.zones { list-style: none; margin: 0 0 14px; padding: 0; display: grid; gap: 8px; text-align: left; }
.zones li { display: grid; grid-template-columns: 1fr auto; gap: 2px 12px; align-items: center; padding: 10px 14px; background: #F0F3F1; border-radius: 12px; }
.zname { font-weight: 700; font-size: 1.125rem; }
.zday { grid-column: 1; color: var(--muted); font-size: .875rem; }
.ztime { grid-column: 2; grid-row: 1 / span 2; font-family: ui-monospace, "Cascadia Mono", Consolas, monospace; font-weight: 700; font-size: 1.5rem; font-variant-numeric: tabular-nums; }
.zones .chip { grid-column: 1 / -1; justify-self: start; }
.presets { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; margin-bottom: 14px; }
.chip { min-height: 36px; padding: 4px 14px; font: inherit; color: var(--ink); background: var(--panel); border: 1px solid var(--line); border-radius: 999px; cursor: pointer; }
.chip:hover, .chip:focus-visible { border-color: var(--accent); outline: none; }

.laps { list-style: none; margin: 16px auto 0; padding: 0; max-width: 28rem; max-height: 18rem; overflow-y: auto; text-align: left; }
.laps li { display: grid; grid-template-columns: 3rem 1fr 1fr; gap: 8px; padding: 6px 8px; border-bottom: 1px solid var(--line); font-variant-numeric: tabular-nums; }
.laps li.best { color: var(--accent); font-weight: 700; }
.laps li.worst { color: #C0392B; font-weight: 700; }

.notice {
  display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 14px 18px; font-size: 1.25rem; font-weight: 700;
  border: 2px solid #C0392B; border-radius: 12px; background: #FDECEA; color: #7a1f14;
}
.error { color: #C0392B; font-weight: 700; margin: 0 0 10px; }
.notes { margin: 0; padding-left: 1.25rem; color: var(--muted); }