:root {
  color-scheme: dark light;
  --bg: #111418; --fg: #eef1f4; --muted: #9aa4ae; --card: #1b2026; --line: #2a3139;
  --accent: #ffb547; --ok: #5cd08d;
  font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
}
@media (prefers-color-scheme: light) {
  :root { --bg: #f6f7f9; --fg: #14181c; --muted: #5b6570; --card: #fff; --line: #dde2e7; --accent: #b86e00; --ok: #1d7f49; }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--fg); padding-bottom: 6rem; }
header { display: flex; justify-content: space-between; align-items: center; padding: 1rem 1.25rem .25rem; }
h1 { margin: 0; font-size: 1.1rem; letter-spacing: .08em; color: var(--muted); }
main { max-width: 40rem; margin: 0 auto; padding: 0 1.25rem; }
button { font: inherit; border: 0; border-radius: .6rem; padding: .55rem 1rem; background: var(--accent); color: #111; cursor: pointer; }
button.ghost { background: transparent; color: var(--muted); border: 1px solid var(--line); }
button:focus-visible, textarea:focus-visible, input:focus-visible, select:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.muted { color: var(--muted); }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }

.now-list { list-style: none; padding: 0; margin: .5rem 0 1rem; display: grid; gap: .75rem; }
.now-list li { background: var(--card); border: 1px solid var(--line); border-radius: 1rem; padding: 1rem 1.1rem; }
.now-list li:first-child { border-color: var(--accent); padding: 1.4rem 1.2rem; }
.now-list li:first-child .t { font-size: 1.5rem; }
.now-list .t { font-size: 1.1rem; font-weight: 600; }
.now-list .why { margin: .35rem 0 0; color: var(--muted); font-size: .9rem; }
.now-list .done { float: right; padding: .3rem .7rem; font-size: .85rem; }

.timer { text-align: center; background: var(--card); border: 1px solid var(--accent); border-radius: 1rem; padding: 1rem; margin-bottom: 1rem; }
.timer-time { font-size: 3.5rem; font-variant-numeric: tabular-nums; font-weight: 700; }
.timer.over .timer-time { color: var(--ok); }
.workout { color: var(--muted); margin-bottom: 1rem; }

.result { background: var(--card); border-radius: 1rem; padding: .9rem 1.1rem; margin-bottom: 1rem; }
.result p { margin: 0 0 .5rem; }
.result .echo { color: var(--muted); font-size: .9rem; border-left: 2px solid var(--line); padding-left: .6rem; }
.status { display: flex; gap: .5rem; align-items: center; font-size: .92rem; }
.status .dot { width: .55rem; height: .55rem; border-radius: 50%; background: var(--accent); animation: pulse 1.2s ease-in-out infinite; }
@keyframes pulse { 0%, 100% { opacity: .25; transform: scale(.8); } 50% { opacity: 1; transform: scale(1); } }
@media (prefers-reduced-motion: reduce) { .status .dot { animation: none; } .actions li.fresh { animation: none; } }
.actions li.fresh { animation: slidein .25s ease-out; }
@keyframes slidein { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: none; } }
.cmd button.stop { background: transparent; color: var(--fg); border: 1px solid var(--line); }
.actions { list-style: none; padding: 0; margin: 0; display: grid; gap: .35rem; font-size: .92rem; }
.actions li { display: flex; justify-content: space-between; gap: .5rem; align-items: center; }
.actions li.undone span { text-decoration: line-through; color: var(--muted); }
.actions button { padding: .2rem .6rem; font-size: .8rem; }

.header-actions { display: flex; gap: .5rem; }
a.button { display: inline-block; text-decoration: none; border-radius: .6rem; padding: .55rem 1rem; font-size: .9rem; }
a.button.ghost { color: var(--fg); border: 1px solid var(--line); }
dialog h3 { font-size: .95rem; margin: .2rem 0 .3rem; }
.pair-qr svg { width: 200px; height: 200px; background: #fff; border-radius: .6rem; padding: 6px; display: block; }

.pair { max-width: 30rem; margin: 0 auto; padding: 2rem 1.25rem; }
.pair h1 { font-size: 1.4rem; color: var(--fg); letter-spacing: 0; }
.pair-steps { padding-left: 1.2rem; display: grid; gap: 1.2rem; }
.pair-steps p { margin: 0 0 .5rem; }
a.button { background: var(--accent); color: #111; }
a.button.ghost { background: transparent; }

.now-list .lane { margin: 0 0 .3rem; font-size: .8rem; letter-spacing: .04em; color: var(--muted); }
.now-list li.lane-risk { border-color: #d9534f; }
.now-list li.lane-risk .lane { color: #d9534f; }
.now-list li.lane-bottleneck .lane { color: var(--accent); }

.questions { background: var(--card); border: 1px solid var(--accent); border-radius: 1rem; padding: .8rem 1rem; margin-bottom: 1rem; }
.questions h2 { margin: 0 0 .4rem; font-size: .95rem; }
.questions ul { list-style: none; padding: 0; margin: 0; display: grid; gap: .7rem; }
.questions .q { margin: 0; font-weight: 600; }
.questions .meta { margin: .1rem 0 .4rem; color: var(--muted); font-size: .82rem; }
.questions .row { display: flex; gap: .5rem; }
.questions input { flex: 1; font: inherit; padding: .45rem .6rem; border-radius: .5rem; border: 1px solid var(--line); background: var(--bg); color: var(--fg); }

.map { display: grid; gap: 1rem; margin-top: .5rem; }
.map .domain h3 { margin: .2rem 0 .4rem; font-size: 1rem; }
.map .project { background: var(--card); border: 1px solid var(--line); border-radius: .8rem; padding: .6rem .9rem; margin-bottom: .5rem; }
.map .project.someday { opacity: .75; }
.map .project summary { cursor: pointer; }
.map .project .t { font-weight: 600; }
.map .project .meta { color: var(--muted); font-size: .82rem; }
.map .project .why { margin: .3rem 0 0; color: var(--muted); font-size: .88rem; }
.project-items { list-style: none; padding: 0; margin: .5rem 0 0; display: grid; gap: .25rem; font-size: .9rem; }
.project-items .kind { display: inline-block; min-width: 2.4rem; font-size: .75rem; color: var(--muted); border: 1px solid var(--line); border-radius: .4rem; text-align: center; padding: 0 .2rem; }
.project-items li.dup { text-decoration: line-through; color: var(--muted); }

.triage-bar { display: flex; justify-content: space-between; align-items: center; gap: .75rem; background: var(--card);
  border: 1px solid var(--line); border-radius: 1rem; padding: .7rem 1rem; margin-bottom: 1rem; font-size: .92rem; }
.triage-bar.error { border-color: #d9534f; }
.triage-bar button { padding: .4rem .8rem; }

.lists { margin-top: 1.5rem; }
/* Wrap instead of scrolling sideways: on phones the last tabs were off-screen */
.tabs { display: flex; flex-wrap: wrap; gap: .25rem; border-bottom: 1px solid var(--line); }
dialog details summary { cursor: pointer; padding: .4rem 0; color: var(--muted); }
.tabs button { background: transparent; color: var(--muted); border-radius: .6rem .6rem 0 0; padding: .5rem .8rem; white-space: nowrap; }
.tabs button[aria-selected="true"] { color: var(--fg); border-bottom: 2px solid var(--accent); }
.tabs .n { font-size: .8rem; color: var(--muted); }
.filters { display: flex; gap: 1rem; flex-wrap: wrap; margin: .75rem 0; font-size: .88rem; color: var(--muted); }
.filters label { display: flex; gap: .4rem; align-items: center; }
.filters select { font: inherit; padding: .3rem .4rem; border-radius: .5rem; border: 1px solid var(--line); background: var(--card); color: var(--fg); max-width: 14rem; }
.review-tools { display: flex; justify-content: space-between; align-items: center; gap: .5rem; flex-wrap: wrap; margin-bottom: .5rem; }
.review-tools p { margin: 0; font-size: .88rem; }
.review-tools .row { display: flex; gap: .5rem; }

.item-list { list-style: none; padding: 0; margin: 0; display: grid; gap: .5rem; }
.item-list li { background: var(--card); border: 1px solid var(--line); border-radius: .8rem; padding: .75rem .9rem; }
.item-list .t { font-weight: 600; }
.item-list .orig, .item-list .meta { margin: .2rem 0 0; color: var(--muted); font-size: .82rem; }
.item-list .why { margin: .3rem 0 0; color: var(--muted); font-size: .88rem; }
.item-list .sug-keep { color: var(--ok); }
.item-list .sug-drop { color: #d9534f; }
.decide { display: flex; gap: .4rem; margin-top: .55rem; flex-wrap: wrap; }
.decide button { padding: .25rem .7rem; font-size: .85rem; }
.decide button.suggested { border-color: var(--accent); color: var(--fg); }

/* Top bar: three pages */
header.top { position: sticky; top: 0; z-index: 5; background: var(--bg); gap: .5rem; flex-wrap: wrap; padding: .6rem 1rem; border-bottom: 1px solid var(--line); }
.nav { display: flex; gap: .25rem; flex: 1; justify-content: center; }
.nav button, .seg button { background: transparent; color: var(--muted); padding: .45rem .8rem; border-radius: .6rem; white-space: nowrap; }
.nav button[aria-selected="true"], .seg button[aria-selected="true"] { background: var(--card); color: var(--fg); box-shadow: inset 0 -2px 0 var(--accent); }
.nav .n, .seg .n { font-size: .78rem; color: var(--accent); }
main { padding-top: 1rem; }
.seg { display: flex; gap: .25rem; flex-wrap: wrap; margin-bottom: .75rem; }
.now-list .decide { margin-top: .8rem; }
.sync-row { margin-top: 1.5rem; text-align: center; }

/* Projects page: grouped by duration */
.projects { display: grid; gap: 1.2rem; }
.horizon h3 { margin: 0 0 .5rem; font-size: 1rem; }
.horizon h3 .n { color: var(--muted); font-weight: 400; font-size: .85rem; }
.project { background: var(--card); border: 1px solid var(--line); border-radius: .9rem; padding: .75rem .95rem; margin-bottom: .55rem; }
.project.someday { opacity: .8; }
.project summary { cursor: pointer; list-style: none; }
.project summary::-webkit-details-marker { display: none; }
.project .t { font-weight: 600; }
.project .meta { margin: .2rem 0 0; color: var(--muted); font-size: .82rem; }
.project .next { margin: .35rem 0 0; font-size: .9rem; }
.project .why { margin: .45rem 0 0; color: var(--muted); font-size: .88rem; }
.project-items li { display: flex; gap: .4rem; align-items: center; flex-wrap: wrap; }
button.mini { padding: .1rem .5rem; font-size: .75rem; margin-left: auto; }
.fold { margin-top: .5rem; }
.fold > summary { cursor: pointer; color: var(--muted); padding: .5rem 0; }

.cmd { position: fixed; left: 0; right: 0; bottom: 0; display: flex; gap: .5rem; padding: .75rem 1rem calc(.75rem + env(safe-area-inset-bottom));
  background: var(--bg); border-top: 1px solid var(--line); }
.cmd textarea { flex: 1; resize: none; font: inherit; padding: .65rem .8rem; border-radius: .7rem; border: 1px solid var(--line); background: var(--card); color: var(--fg); max-height: 9rem; }
.cmd button[disabled] { opacity: .5; }

dialog { border: 1px solid var(--line); border-radius: 1rem; background: var(--card); color: var(--fg); width: min(30rem, 92vw); }
dialog::backdrop { background: rgba(0,0,0,.5); }
dialog label { display: grid; gap: .3rem; margin-bottom: .8rem; font-size: .9rem; }
dialog input, dialog select { font: inherit; padding: .5rem; border-radius: .5rem; border: 1px solid var(--line); background: var(--bg); color: var(--fg); width: 100%; max-width: 100%; min-width: 0; }
dialog .row { display: flex; justify-content: flex-end; gap: .5rem; }
hr { border: 0; border-top: 1px solid var(--line); margin: 1rem 0; }