:root {
  --bg: #f6f5f2;
  --card: #ffffff;
  --ink: #1d1d1b;
  --sub: #6b6a66;
  --line: #e4e2dc;
  --accent: #1f5f4a;
  --accent-ink: #ffffff;
  --warn: #9a5b00;
  --bad: #b3261e;
  --chip: #eef3f0;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #161615; --card: #20201e; --ink: #ecebe7; --sub: #a3a19b; --line: #34332f;
    --accent: #6fbf9f; --accent-ink: #0f1f19; --warn: #e0a24a; --bad: #f08a80; --chip: #22302a;
  }
}
:root[data-theme="dark"] {
  --bg: #161615; --card: #20201e; --ink: #ecebe7; --sub: #a3a19b; --line: #34332f;
  --accent: #6fbf9f; --accent-ink: #0f1f19; --warn: #e0a24a; --bad: #f08a80; --chip: #22302a;
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font: 15px/1.6 "Noto Sans JP", system-ui, -apple-system, "Hiragino Sans", sans-serif;
}
button, input, select, textarea { font: inherit; color: inherit; }
.wrap { max-width: 760px; margin: 0 auto; padding: 0 16px 80px; }
header.top {
  position: sticky; top: 0; z-index: 5; background: var(--bg);
  border-bottom: 1px solid var(--line); padding: 10px 0;
}
header.top .row { display: flex; align-items: center; gap: 8px; }
.brand { font-weight: 700; letter-spacing: .02em; }
.who { margin-left: auto; color: var(--sub); font-size: 13px; }
.datebar { display: flex; align-items: center; gap: 6px; margin-top: 6px; }
.datebar strong { font-size: 17px; min-width: 7.5em; text-align: center; }
.tabs { display: flex; gap: 4px; margin-top: 8px; }
.tabs button {
  flex: 1; padding: 8px; border: 1px solid var(--line); background: var(--card);
  border-radius: 8px; cursor: pointer; color: var(--sub);
}
.tabs button[aria-selected="true"] { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 14px; margin-top: 12px; }
.card h2 { font-size: 14px; margin: 0 0 8px; color: var(--sub); font-weight: 600; }
.muted { color: var(--sub); font-size: 13px; }
.notice { border-left: 3px solid var(--warn); padding: 8px 10px; background: var(--card); border-radius: 6px; margin-top: 12px; font-size: 14px; }
.err { color: var(--bad); font-size: 14px; }
ul.plain { list-style: none; margin: 0; padding: 0; }
ul.plain li { padding: 4px 0; border-bottom: 1px dashed var(--line); font-size: 14px; }
ul.plain li:last-child { border-bottom: 0; }
.time { color: var(--sub); font-variant-numeric: tabular-nums; margin-right: 6px; }
.chip { display: inline-block; background: var(--chip); border-radius: 999px; padding: 0 8px; font-size: 12px; margin-left: 4px; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  border: 1px solid var(--line); background: var(--card); border-radius: 8px;
  padding: 8px 14px; cursor: pointer; text-decoration: none; color: var(--ink);
}
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); font-weight: 600; }
.btn.big { padding: 12px 20px; font-size: 16px; }
.btn.small { padding: 4px 10px; font-size: 13px; }
.btn:disabled { opacity: .5; cursor: default; }
.icon { border: 0; background: none; cursor: pointer; color: var(--sub); padding: 4px 6px; }
.actions { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 12px; align-items: center; }
.rows .r { display: grid; grid-template-columns: 1fr 7.5em 4.5em auto; gap: 6px; align-items: center; padding: 6px 0; border-bottom: 1px dashed var(--line); }
.rows .r.close { grid-template-columns: 1fr 7.5em 4.5em auto auto; }
.rows input[type="text"], .rows select, .rows input[type="number"], textarea, input.full {
  width: 100%; border: 1px solid var(--line); border-radius: 6px; padding: 6px 8px; background: var(--bg);
}
.rows .reason { grid-column: 1 / -1; font-size: 12px; color: var(--sub); margin-top: -2px; }
.rows label.unp { font-size: 12px; color: var(--sub); white-space: nowrap; }
.total { text-align: right; font-weight: 600; margin-top: 8px; font-variant-numeric: tabular-nums; }
.total.over { color: var(--bad); }
textarea { min-height: 80px; resize: vertical; }
.status-row { display: flex; align-items: center; gap: 8px; padding: 4px 0; font-size: 14px; }
.status-row span { flex: 1; }
.loading::after { content: " …"; animation: blink 1s infinite; }
@keyframes blink { 50% { opacity: .3; } }
.toast { position: fixed; left: 50%; bottom: 20px; transform: translateX(-50%); background: var(--ink); color: var(--bg); padding: 10px 16px; border-radius: 8px; font-size: 14px; z-index: 10; max-width: calc(100% - 32px); }
.login { max-width: 420px; margin: 12vh auto; padding: 0 16px; text-align: center; }
.login h1 { font-size: 28px; margin-bottom: 4px; }
.login .sub { color: var(--sub); }
.login .fine { color: var(--sub); font-size: 12px; margin-top: 24px; text-align: left; }
.rows .r.out { grid-template-columns: 1fr 8em 9em auto; }
/* スマホ: 作業名を 1 行目に全幅で置き、区分・時間などは 2 行目に並べる */
@media (max-width: 560px) {
  .rows .r > :first-child { grid-column: 1 / -1; }
  .rows .r { grid-template-columns: 1fr 5em auto; }
  .rows .r.close { grid-template-columns: 1fr 5em auto auto; }
  .rows .r.out { grid-template-columns: 8.5em 1fr auto; }
}

header.top .wrap { padding-bottom: 0; }