:root {
  color-scheme: light;
  --paper: #f5f4f0;
  --card: #fcfcfb;
  --ink: #1c1b18;
  --ink-2: #52514e;
  --ink-3: #6f6d67;
  --line: #e1e0d9;
  --track: #e9e8e2;
  --axis: #c3c2b7;
  --on-ink: #ffffff;
  --on-all: #ffffff;
  --duo: #d8d6cd;
  --jizhang: #2a78d6;
  --achan: #eb6834;
  --caowan: #1baf7a;
  --liuao: #8a5cc8;
  --abao: #c43d8b;
  --warn: #b4530a;
  --h0: #eceae4;
  --h1: #d0cec4;
  --h2: #a5a297;
  --h3: #6b685f;
  --h4: #2e2c27;
  --me: var(--jizhang);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --paper: #111110;
    --card: #1a1a19;
    --ink: #f0efec;
    --ink-2: #c3c2b7;
    --ink-3: #9a988f;
    --line: #2c2c2a;
    --track: #2c2c2a;
    --axis: #383835;
    --on-ink: #1a1a19;
  --on-all: #141412;
    --duo: #3e3d39;
    --jizhang: #3987e5;
    --achan: #d95926;
    --caowan: #199e70;
    --liuao: #9b72db;
    --abao: #dc5fa6;
    --warn: #eda100;
    --h0: #262624;
    --h1: #41403c;
    --h2: #6c6a63;
    --h3: #a4a297;
    --h4: #e4e2d9;
  }
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --paper: #111110;
  --card: #1a1a19;
  --ink: #f0efec;
  --ink-2: #c3c2b7;
  --ink-3: #9a988f;
  --line: #2c2c2a;
  --track: #2c2c2a;
  --axis: #383835;
  --on-ink: #1a1a19;
  --on-all: #141412;
  --duo: #3e3d39;
  --jizhang: #3987e5;
  --achan: #d95926;
  --caowan: #199e70;
  --liuao: #9b72db;
  --abao: #dc5fa6;
  --warn: #eda100;
  --h0: #262624;
  --h1: #41403c;
  --h2: #6c6a63;
  --h3: #a4a297;
  --h4: #e4e2d9;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
  font-size: 15px;
  line-height: 1.5;
  padding-bottom: calc(24px + env(safe-area-inset-bottom));
}

button, input, select { font: inherit; color: inherit; }
button { cursor: pointer; background: none; border: 0; padding: 0; }
button:focus-visible, input:focus-visible, select:focus-visible, summary:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 2px;
}

h1, h2, h3, p { margin: 0; }

.top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  max-width: 760px;
  margin: 0 auto;
  padding: calc(12px + env(safe-area-inset-top)) 16px 4px;
}
.top h1 { font-size: 17px; font-weight: 650; }

.status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 36px;
  padding: 4px 12px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--card);
  font-size: 13px;
  color: var(--ink-2);
}
.status:empty { display: none; }
.status b { color: var(--ink); font-weight: 600; }
.status .sync { width: 7px; height: 7px; border-radius: 50%; background: var(--ink-3); }
.status .sync.ok { background: var(--caowan); }
.status .sync.bad { background: var(--warn); }

.tabs {
  position: sticky;
  top: 0;
  z-index: 5;
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 2px;
  padding: 4px max(8px, calc((100% - 760px) / 2 + 16px));
  background: var(--paper);
  border-bottom: 1px solid var(--line);
}
.tabs button {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1px;
  min-height: 48px;
  padding: 5px 0 3px;
  border-radius: 8px;
  font-size: 12px;
  color: var(--ink-3);
}
.tabs svg {
  width: 20px;
  height: 20px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.tabs button[aria-current="page"] { color: var(--ink); font-weight: 600; background: var(--card); box-shadow: inset 0 0 0 1px var(--line); }
.tabs button[aria-current="page"] svg { stroke-width: 2.2; }

main {
  display: grid;
  gap: 12px;
  max-width: 760px;
  margin: 0 auto;
  padding: 8px 16px 16px;
}

.card {
  min-width: 0;
  padding: 16px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
}
.card > h2, .section-title {
  font-size: 15px;
  font-weight: 650;
}
.card > h2 + * { margin-top: 12px; }
.sub { color: var(--ink-3); font-size: 13px; }
.row-between { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; }

/* 今日 */
.hero .label { color: var(--ink-2); font-size: 14px; }
.hero .days { display: flex; align-items: baseline; gap: 6px; margin-top: 2px; }
.hero .days b { font-size: 60px; line-height: 1.05; font-weight: 700; letter-spacing: -0.02em; }
.hero .days span { font-size: 17px; font-weight: 600; }
.hero .clock { font-size: 16px; font-weight: 500; font-variant-numeric: tabular-nums; }
.hero .when { margin-top: 2px; color: var(--ink-3); font-size: 13px; }

.phases { display: flex; gap: 3px; margin-top: 16px; }
.phase { min-width: 0; }
.phase .bar { height: 8px; border-radius: 4px; background: var(--track); overflow: hidden; }
.phase .bar i { display: block; height: 100%; background: var(--ink); }
.phase .name { margin-top: 4px; font-size: 12px; color: var(--ink-3); white-space: nowrap; }
.phase.now .name { color: var(--ink); font-weight: 600; }
.phase-note { margin-top: 8px; font-size: 13px; color: var(--ink-2); }

.team { display: grid; gap: 10px; }
.team-row {
  display: grid;
  grid-template-columns: 58px 1fr 44px;
  align-items: center;
  gap: 8px;
  font-size: 14px;
}
.who-name { display: inline-flex; align-items: center; gap: 6px; white-space: nowrap; }
.dot { flex: none; width: 9px; height: 9px; border-radius: 50%; background: var(--c, var(--ink-3)); }
.dot.empty { background: var(--track); }
.meter { height: 8px; border-radius: 4px; background: var(--track); overflow: hidden; }
.meter i { display: block; height: 100%; border-radius: 0 4px 4px 0; background: var(--c, var(--ink)); }
.team-row .num { text-align: right; font-variant-numeric: tabular-nums; color: var(--ink-2); font-size: 13px; }
.team-total { margin-top: 12px; padding-top: 10px; border-top: 1px solid var(--line); }
.team-total p { font-size: 13px; color: var(--ink-3); }

.tasks { display: grid; gap: 8px; }
.task {
  display: grid;
  grid-template-columns: 1fr 34px;
  gap: 10px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 10px;
}
.task.is-done { background: var(--paper); }
.task.is-done .title { color: var(--ink-3); text-decoration: line-through; }
.task.is-mock { border-color: var(--ink); }
.task .meta { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 8px; font-size: 13px; color: var(--ink-2); font-variant-numeric: tabular-nums; }
.task .title { margin-top: 2px; font-weight: 600; }
.task .detail { margin-top: 2px; font-size: 13px; color: var(--ink-2); }
.task .others { display: flex; flex-wrap: wrap; gap: 4px 10px; margin-top: 8px; font-size: 12px; color: var(--ink-3); }
.task .others span { display: inline-flex; align-items: center; gap: 4px; }
.guide { grid-column: 1 / -1; padding-top: 8px; border-top: 1px solid var(--line); font-size: 13px; }
.guide summary { cursor: pointer; color: var(--ink-2); font-weight: 600; }
.guide dl, .rules { display: grid; grid-template-columns: 42px minmax(0, 1fr); gap: 8px; margin: 8px 0 0; }
.guide dt, .rules dt { color: var(--ink-3); }
.guide dd, .rules dd { margin: 0; color: var(--ink); }
.guide ol { display: grid; gap: 4px; margin: 0; padding: 0; list-style: none; }
.guide li { display: grid; grid-template-columns: 50px minmax(0, 1fr); gap: 4px; }
.guide li b { font-weight: 600; font-variant-numeric: tabular-nums; white-space: nowrap; }
.rules { grid-template-columns: 48px minmax(0, 1fr); font-size: 14px; }
.priority { margin: 0; padding-left: 20px; font-size: 14px; }
.chip {
  display: inline-block;
  padding: 0 7px;
  border-radius: 5px;
  background: var(--track);
  color: var(--ink);
  font-size: 12px;
  line-height: 20px;
}
.chip.mock { background: var(--ink); color: var(--on-ink); }

.check { position: relative; display: block; width: 34px; height: 34px; }
.check input { position: absolute; inset: 0; width: 100%; height: 100%; margin: 0; opacity: 0; cursor: pointer; }
.check span {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  margin: 2px;
  border: 2px solid var(--axis);
  border-radius: 50%;
}
.check input:checked + span { background: var(--me); border-color: var(--me); }
.check input:checked + span::after {
  content: "";
  width: 12px;
  height: 7px;
  margin-top: -3px;
  border-left: 2.4px solid #fff;
  border-bottom: 2.4px solid #fff;
  transform: rotate(-45deg);
}
.check input:focus-visible + span { outline: 2px solid var(--ink); outline-offset: 2px; }

.minis { display: grid; gap: 2px; margin-top: 8px; }
.mini {
  display: grid;
  grid-template-columns: 1fr 34px;
  align-items: center;
  gap: 10px;
  padding: 6px 12px;
}
.mini .title { font-size: 14px; font-weight: 500; }
.mini .detail { font-size: 12px; color: var(--ink-3); }
.mini.is-done .title { color: var(--ink-3); text-decoration: line-through; }

.backlog summary { cursor: pointer; font-weight: 600; font-size: 14px; color: var(--warn); }
.backlog .sub { margin-top: 6px; }
.backlog ul { list-style: none; margin: 10px 0 0; padding: 0; display: grid; gap: 2px; }
.backlog li {
  display: grid;
  grid-template-columns: 1fr 34px;
  align-items: center;
  gap: 10px;
  padding: 4px 0;
  font-size: 14px;
}
.backlog li small { display: block; color: var(--ink-3); font-size: 12px; }

/* 课表 */
.week-nav { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.week-nav strong { font-weight: 600; font-variant-numeric: tabular-nums; text-align: center; }
.week-nav strong small { display: block; font-size: 12px; font-weight: 400; color: var(--ink-2); }
.week-nav .btn { flex: none; white-space: nowrap; }
.btn {
  min-height: 38px;
  padding: 6px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--card);
  font-size: 14px;
}
.btn[disabled] { opacity: 0.4; cursor: default; }
.btn.primary { background: var(--ink); border-color: var(--ink); color: var(--on-ink); font-weight: 600; }

.grid {
  display: grid;
  grid-template-columns: 32px repeat(7, minmax(0, 1fr));
  grid-auto-rows: minmax(50px, auto);
  gap: 3px;
  margin-top: 12px;
}
.grid .head { display: flex; flex-direction: column; align-items: center; justify-content: center; font-size: 12px; line-height: 1.25; color: var(--ink-2); }
.grid .head small { font-size: 10px; color: var(--ink-3); font-variant-numeric: tabular-nums; }
.grid .head.today { color: var(--ink); font-weight: 700; }
.grid .head.side { align-items: flex-start; }
.cell {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 0;
  padding: 2px;
  border-radius: 6px;
  font-size: 12px;
  line-height: 1.2;
  text-align: center;
}
.cell.empty { background: var(--paper); }
.cell.class {
  color: var(--ink-2);
  background: repeating-linear-gradient(135deg, var(--track), var(--track) 4px, var(--paper) 4px, var(--paper) 8px);
}
.cell.skip, .cell.buffer { border: 1px dashed var(--ink-3); color: var(--ink-3); }
.cell.all { background: var(--h3); color: var(--on-all); font-weight: 600; }
.cell.duo { background: var(--duo); color: var(--ink); font-weight: 600; }
.cell.mock { background: var(--ink); color: var(--on-ink); font-weight: 700; }
.cell.selected { outline: 2px solid var(--ink); outline-offset: 1px; }

.legend { display: flex; flex-wrap: wrap; gap: 6px 14px; margin-top: 12px; font-size: 12px; color: var(--ink-2); }
.legend span { display: inline-flex; align-items: center; gap: 5px; }
.legend i { display: inline-block; width: 14px; height: 14px; border-radius: 4px; }
.legend i.l-all { background: var(--h3); }
.legend i.l-duo { background: var(--duo); }
.legend i.l-mock { background: var(--ink); }
.legend i.l-class { background: repeating-linear-gradient(135deg, var(--axis), var(--axis) 2px, var(--paper) 2px, var(--paper) 4px); }
.legend i.l-skip { border: 1px dashed var(--ink-3); }
.legend i.l-empty { background: var(--paper); box-shadow: inset 0 0 0 1px var(--line); }
.legend i.l-line { width: 14px; height: 2px; border-radius: 1px; background: var(--c); }

/* 日历 */
.cal { display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); gap: 4px; margin-top: 12px; }
.cal .wd { text-align: center; font-size: 12px; color: var(--ink-3); }
.day {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  aspect-ratio: 1;
  border-radius: 7px;
  background: var(--h0);
  font-size: 13px;
  font-variant-numeric: tabular-nums;
}
.day.off { background: none; color: var(--ink-3); }
.day.h1 { background: var(--h1); }
.day.h2 { background: var(--h2); color: var(--ink); }
.day.h3 { background: var(--h3); color: var(--on-all); }
.day.h4 { background: var(--h4); color: var(--on-ink); }
.day.is-today { box-shadow: 0 0 0 2px var(--paper), 0 0 0 4px var(--ink); }
.day.selected { outline: 2px solid var(--ink); outline-offset: 1px; }
.day.is-mock::after {
  content: "";
  position: absolute;
  top: 5px;
  right: 5px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  border: 1.5px solid currentColor;
}
.day.exam { background: var(--ink); color: var(--on-ink); font-weight: 700; }
.ramp { display: inline-flex; align-items: center; gap: 2px; }
.ramp i { width: 14px; height: 14px; border-radius: 3px; }
.ramp i:nth-child(1) { background: var(--h0); }
.ramp i:nth-child(2) { background: var(--h1); }
.ramp i:nth-child(3) { background: var(--h2); }
.ramp i:nth-child(4) { background: var(--h3); }
.ramp i:nth-child(5) { background: var(--h4); }
.ring { display: inline-block; width: 8px; height: 8px; border: 1.5px solid var(--ink-2); border-radius: 50%; }

/* 资料 */
.material + .material { margin-top: 14px; padding-top: 14px; border-top: 1px solid var(--line); }
.material .head { display: flex; align-items: baseline; justify-content: space-between; gap: 10px; }
.material .head b { font-weight: 600; }
.material .bars { display: grid; gap: 6px; margin-top: 8px; }

/* 成绩 */
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px 12px; margin-top: 12px; }
.field { display: grid; gap: 4px; font-size: 13px; color: var(--ink-2); }
.field input, .field select, .modal input {
  width: 100%;
  min-height: 42px;
  padding: 8px 10px;
  border: 1px solid var(--axis);
  border-radius: 8px;
  background: var(--card);
  color: var(--ink);
  font-size: 16px;
}
.field.full { grid-column: 1 / -1; }
.estimate { display: flex; align-items: baseline; gap: 8px; margin-top: 14px; }
.estimate b { font-size: 32px; font-weight: 700; line-height: 1.1; }
.actions { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-top: 12px; }
.saved { font-size: 13px; color: var(--ink-2); }

.chart { position: relative; margin-top: 8px; }
.chart svg { display: block; width: 100%; height: auto; touch-action: pan-y; }
.chart .grid-line { stroke: var(--line); stroke-width: 1; }
.chart .ref { stroke: var(--axis); stroke-width: 1; }
.chart .ref.pass { stroke: var(--ink-3); }
.chart text { fill: var(--ink-3); font-size: 11px; }
.chart text.end { fill: var(--ink); font-size: 12px; font-weight: 600; }
.chart .series { fill: none; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.chart .pt { stroke: var(--card); stroke-width: 2; }
.chart .cross { stroke: var(--axis); stroke-width: 1; }
.tip {
  position: absolute;
  top: 6px;
  z-index: 2;
  min-width: 110px;
  padding: 6px 10px;
  background: var(--card);
  border: 1px solid var(--axis);
  border-radius: 8px;
  font-size: 13px;
  pointer-events: none;
}
.tip strong { display: block; font-weight: 600; }
.tip span { display: flex; align-items: center; gap: 6px; font-variant-numeric: tabular-nums; }

.table-wrap { margin-top: 12px; }
.table-wrap summary { cursor: pointer; font-size: 13px; color: var(--ink-2); }
table { width: 100%; margin-top: 8px; border-collapse: collapse; font-size: 13px; font-variant-numeric: tabular-nums; }
th, td { padding: 6px 4px; border-bottom: 1px solid var(--line); text-align: right; font-weight: 400; }
th:first-child, td:first-child { text-align: left; }
thead th { color: var(--ink-3); }

.weak { display: grid; gap: 8px; margin-top: 12px; }
.weak-row { display: grid; grid-template-columns: 72px 1fr 62px; align-items: center; gap: 8px; font-size: 13px; }
.weak-row .num { text-align: right; font-variant-numeric: tabular-nums; color: var(--ink-2); }
.weak-row .meter { height: 12px; border-radius: 0 4px 4px 0; background: none; }
.weak-row .meter i { background: var(--me); opacity: 0.45; }
.weak-row.worst .meter i { opacity: 1; }
.weak-row.worst .name { font-weight: 600; }

.empty-note { padding: 18px 8px; text-align: center; color: var(--ink-3); font-size: 14px; }
.err-note { margin-top: 8px; font-size: 13px; color: var(--warn); }
.num { font-variant-numeric: tabular-nums; }
.card .lead, .card .hint { margin-top: 4px; }

.btn.small { min-height: 34px; padding: 4px 10px; font-size: 13px; }
.btn.quiet { border-color: transparent; color: var(--ink-3); }
a.btn, label.btn { display: inline-flex; align-items: center; justify-content: center; text-decoration: none; cursor: pointer; }
label.btn { position: relative; }
label.btn:focus-within { outline: 2px solid var(--ink); outline-offset: 2px; }
.vh { position: absolute; width: 1px; height: 1px; opacity: 0; overflow: hidden; pointer-events: none; }

/* 资料库 */
.files { list-style: none; margin: 10px 0 0; padding: 0; }
.files li {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
  padding: 10px 0;
  border-top: 1px solid var(--line);
}
.f-main b { display: block; font-size: 14px; font-weight: 600; overflow-wrap: anywhere; }
.f-main small { display: block; font-size: 12px; color: var(--ink-3); font-variant-numeric: tabular-nums; }
.f-act { display: flex; align-items: center; gap: 4px; }

/* 吃饭 */
.date-strip { display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); gap: 4px; margin-top: 12px; }
.date-chip {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  border: 1px solid var(--line);
  border-radius: 8px;
  font-size: 13px;
  line-height: 1.25;
}
.date-chip small { font-size: 11px; color: var(--ink-3); font-variant-numeric: tabular-nums; }
.date-chip[aria-pressed="true"] { background: var(--ink); border-color: var(--ink); color: var(--on-ink); font-weight: 600; }
.date-chip[aria-pressed="true"] small { color: var(--on-ink); }

.segs { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 6px; margin-top: 12px; }
.seg { min-height: 44px; border: 1px solid var(--axis); border-radius: 8px; font-weight: 600; }
.seg[aria-pressed="true"] { background: var(--ink); border-color: var(--ink); color: var(--on-ink); }

.times { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 10px; }
.time {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 36px;
  padding: 4px 12px;
  border: 1px solid var(--line);
  border-radius: 18px;
  font-size: 14px;
  font-variant-numeric: tabular-nums;
}
.time[aria-pressed="true"], .time.other.on { border: 2px solid var(--ink); padding: 3px 11px; font-weight: 600; }
.time.other { padding-right: 6px; color: var(--ink-2); }
.time.other.on { padding-right: 5px; color: var(--ink); }
.time.other input {
  width: 88px;
  min-height: 28px;
  padding: 0 4px;
  border: 0;
  border-radius: 6px;
  background: var(--paper);
  font-size: 16px;
  font-variant-numeric: tabular-nums;
}

.groups { list-style: none; margin: 12px 0 0; padding: 0; }
.groups li {
  display: grid;
  grid-template-columns: max-content minmax(0, 1fr) auto;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  padding: 6px 0;
  border-top: 1px solid var(--line);
  font-size: 14px;
}
.groups li b { font-weight: 600; font-variant-numeric: tabular-nums; white-space: nowrap; }
.groups li.muted b { font-weight: 400; color: var(--ink-3); }
.groups .names { display: flex; flex-wrap: wrap; gap: 2px 10px; font-size: 13px; color: var(--ink-2); }
.groups .names span { display: inline-flex; align-items: center; gap: 4px; }
.groups .msgs { grid-column: 1 / -1; display: grid; gap: 2px; margin-top: -2px; }
.groups .msgs p { padding: 4px 8px; border-radius: 6px; background: var(--paper); font-size: 13px; color: var(--ink-2); overflow-wrap: anywhere; }
.groups .msgs b { font-weight: 600; color: var(--ink); }
.meal .meal-msg, .meal .meal-loc { margin-top: 10px; }
.meal .row-between { align-items: center; }

.modal .box.nudge { text-align: center; }
.modal .box.nudge h2 { font-size: 24px; line-height: 1.3; }
.modal .box.nudge p { margin-top: 8px; font-size: 15px; color: var(--ink); }
.modal .box.nudge .nudge-msg { padding: 8px 10px; border-radius: 8px; background: var(--paper); color: var(--ink-2); overflow-wrap: anywhere; }
.modal .box.nudge .row { margin-top: 16px; }
@media (prefers-reduced-motion: no-preference) {
  .modal .box.nudge { animation: nudge 0.5s ease 2; }
  @keyframes nudge {
    0%, 100% { transform: translateX(0); }
    20%, 60% { transform: translateX(-6px); }
    40%, 80% { transform: translateX(6px); }
  }
}

/* 复盘 */
.view-switch { grid-template-columns: repeat(3, minmax(0, 1fr)); margin-top: 0; }
.segs.people { grid-template-columns: repeat(3, minmax(0, 1fr)); margin-top: 0; }
.seg { display: inline-flex; align-items: center; justify-content: center; gap: 6px; }

.q-grid { display: grid; gap: 10px; margin-top: 12px; }
.q-head { display: flex; justify-content: space-between; font-size: 12px; color: var(--ink-2); }
.q-head span { color: var(--ink-3); font-variant-numeric: tabular-nums; }
.q-cells { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 4px; margin-top: 4px; }
@media (min-width: 560px) {
  .q-cells { grid-template-columns: repeat(10, minmax(0, 1fr)); }
}
.q {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  border: 1px solid var(--line);
  border-radius: 7px;
  font-variant-numeric: tabular-nums;
  line-height: 1.15;
}
.q b { font-size: 13px; font-weight: 600; }
.q small { font-size: 11px; color: var(--ink-3); }
.q small.ai-key { text-decoration: underline dotted; text-underline-offset: 2px; }
.q.wrong { background: var(--ink); border-color: var(--ink); color: var(--on-ink); }
.q.wrong small { color: var(--on-ink); opacity: 0.75; }
.q.selected { outline: 2px solid var(--me); outline-offset: 1px; }
.q[disabled] { cursor: default; opacity: 0.55; }
.tally { display: flex; flex-wrap: wrap; gap: 4px 14px; margin-top: 12px; font-size: 13px; color: var(--ink-2); }
.tally b { color: var(--ink); font-size: 16px; }

.editor { border-color: var(--me); }
.editor .key { color: var(--ink); font-size: 16px; }
.ed-row { display: grid; grid-template-columns: 48px minmax(0, 1fr); gap: 8px; margin-top: 12px; align-items: start; }
.ed-label { padding-top: 7px; font-size: 13px; color: var(--ink-2); }
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip-btn {
  min-height: 34px;
  padding: 4px 11px;
  border: 1px solid var(--line);
  border-radius: 17px;
  font-size: 14px;
}
.chip-btn.letter { min-width: 34px; padding: 4px 0; font-variant-numeric: tabular-nums; }
.chip-btn[aria-pressed="true"] { background: var(--ink); border-color: var(--ink); color: var(--on-ink); font-weight: 600; }
.chip-btn[disabled] { cursor: default; }
.editor .field { margin-top: 12px; }

.photos { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.thumb {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 76px;
  height: 76px;
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  font-size: 13px;
}
.thumb a, .thumb img { display: block; width: 100%; height: 100%; object-fit: cover; }
.thumb .x {
  position: absolute;
  top: 2px;
  right: 2px;
  width: 24px;
  height: 24px;
  border-radius: 12px;
  background: rgba(11, 11, 11, 0.6);
  color: #fff;
  font-size: 16px;
  line-height: 24px;
}
.thumb.add { border-style: dashed; color: var(--ink-2); cursor: pointer; }
.thumb.add:focus-within { outline: 2px solid var(--ink); outline-offset: 2px; }

.ai { margin-top: 14px; padding-top: 12px; border-top: 1px solid var(--line); }
.ai .btn.primary { width: 100%; min-height: 44px; }
.ai-text { white-space: pre-wrap; font-size: 14px; line-height: 1.65; overflow-wrap: anywhere; }
.ai-text b { font-weight: 650; }
.card .ai-text { margin-top: 8px; }

.wrong-list { list-style: none; margin: 8px 0 0; padding: 0; }
.wrong-list button {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  width: 100%;
  min-height: 44px;
  padding: 8px 0;
  border-top: 1px solid var(--line);
  text-align: left;
  font-size: 14px;
}
.wrong-list button[aria-current="true"] b { text-decoration: underline; }
.wrong-list b { font-weight: 600; font-variant-numeric: tabular-nums; }
.wrong-list span { color: var(--ink-3); font-size: 13px; text-align: right; }

/* 交卷分析 */
.q.doubt { border: 2px solid var(--warn); }
.slot { margin-top: 14px; }
.slot-head { display: flex; flex-wrap: wrap; align-items: baseline; gap: 2px 8px; }
.slot-head b { font-size: 14px; font-weight: 600; }
.slot .photos { margin-top: 6px; }
.sub-editor { margin-top: 12px; padding: 10px 12px; border: 1px solid var(--me); border-radius: 10px; }
.sub-editor > b { font-size: 14px; }
.sub-editor .ed-row { margin-top: 8px; }

.feed { list-style: none; margin: 8px 0 0; padding: 0; }
.feed li { border-top: 1px solid var(--line); }
.feed-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
  width: 100%;
  min-height: 52px;
  padding: 8px 0;
  text-align: left;
  font-size: 14px;
}
.feed-title { min-width: 0; }
.feed-title small { display: block; font-size: 12px; color: var(--ink-3); }
.feed-head .num { font-size: 13px; font-weight: 600; white-space: nowrap; }
.feed-body { padding: 0 0 12px; }
.feed-body .ai-text { padding: 10px 12px; border-radius: 8px; background: var(--paper); }

.push-acts { display: inline-flex; gap: 4px; }

/* 六鳌、阿爆只看得到课表和吃饭两页 */
body.guest .tabs { grid-template-columns: repeat(2, 1fr); }
body.guest .tabs button:not([data-tab="week"]):not([data-tab="meal"]) { display: none; }

/* 弹窗 */
.modal {
  position: fixed;
  inset: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  background: rgba(11, 11, 11, 0.45);
}
.modal[hidden] { display: none; }
.modal .box {
  width: 100%;
  max-width: 360px;
  padding: 20px;
  background: var(--card);
  border-radius: 14px;
}
.modal h2 { font-size: 18px; font-weight: 650; }
.modal p { margin-top: 4px; font-size: 14px; color: var(--ink-2); }
.pick { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-top: 14px; }
.pick button {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-height: 46px;
  border: 1px solid var(--axis);
  border-radius: 10px;
  font-weight: 600;
}
.pick button[aria-pressed="true"] { border: 2px solid var(--ink); background: var(--paper); }
.modal label { display: block; margin-top: 14px; font-size: 14px; color: var(--ink-2); }
.modal label input { display: block; margin-top: 4px; }
.modal .err { margin-top: 8px; font-size: 13px; color: var(--warn); min-height: 20px; }
.modal .row { display: flex; gap: 8px; margin-top: 8px; }
.modal .row .btn { flex: 1; min-height: 44px; }
.modal .row .btn[hidden] { display: none; }

@media (min-width: 860px) {
  body { padding-bottom: 32px; }
  .tabs { display: flex; justify-content: center; gap: 4px; padding: 6px 16px; }
  .tabs button { flex-direction: row; gap: 6px; min-height: 40px; padding: 4px 14px; font-size: 14px; }
  .tabs svg { width: 18px; height: 18px; }
  .grid { grid-auto-rows: minmax(58px, auto); }
  .cal { max-width: 460px; }
}

@media (prefers-reduced-motion: no-preference) {
  .meter i, .phase .bar i { transition: width 0.25s ease; }
}

/* 复盘（合成一页后的新部件） */
.btn.big { width: 100%; min-height: 52px; font-size: 16px; }
.cta .sub { margin-top: 10px; }
.thinking { display: inline-flex; align-items: center; gap: 8px; color: var(--ink-2); font-size: 14px; }
.thinking::before { content: ""; flex: none; width: 10px; height: 10px; border-radius: 50%; background: var(--me); }
@media (prefers-reduced-motion: no-preference) {
  .thinking::before { animation: think 1.2s ease-in-out infinite; }
  @keyframes think {
    0%, 100% { opacity: 0.25; transform: scale(0.8); }
    50% { opacity: 1; transform: scale(1); }
  }
}
.ok-note { margin-top: 8px; font-size: 13px; font-weight: 600; color: var(--caowan); }
.q-panel { margin-top: 12px; padding: 12px; border: 1px solid var(--me); border-radius: 14px; }
.q-panel-head { display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 10px; }
.q-panel .ai-text { margin-top: 8px; }
.summary { margin-top: 16px; padding-top: 12px; border-top: 1px solid var(--line); }
.summary h3, .mini-title { font-size: 14px; font-weight: 650; }
.mini-title { margin-top: 16px; color: var(--ink-2); }
.feed-body > .ai-text { margin-top: 12px; }

/* 每日进度榜 */
.segs.mini-segs { display: inline-grid; grid-template-columns: repeat(2, auto); gap: 4px; margin-top: 0; }
.mini-segs .seg { min-height: 32px; padding: 0 12px; font-size: 13px; }
.log-form { display: grid; grid-template-columns: minmax(0, 1fr) 96px; gap: 8px; margin-top: 12px; }
.log-form select, .log-form input {
  width: 100%;
  min-height: 42px;
  padding: 8px 10px;
  border: 1px solid var(--axis);
  border-radius: 12px;
  background: var(--card);
  color: var(--ink);
  font-size: 16px;
}
.log-form .btn { min-height: 42px; }
.log-list { list-style: none; margin: 10px 0 0; padding: 0; }
.log-list li {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto 32px;
  align-items: center;
  gap: 8px;
  padding: 6px 0;
  border-top: 1px solid var(--line);
  font-size: 14px;
}
.log-list small { display: block; font-size: 12px; color: var(--ink-3); }
.x-btn { width: 30px; height: 30px; border-radius: 15px; color: var(--ink-3); font-size: 18px; line-height: 30px; }
.rank { display: grid; gap: 8px; margin-top: 8px; }
.rank-row { display: grid; grid-template-columns: 62px minmax(0, 1fr) 64px; align-items: center; gap: 8px; font-size: 14px; }
.rank-row .meter { height: 12px; border-radius: 6px; }
.rank-row .num { text-align: right; font-size: 13px; }
.compare { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 12px 18px; margin-top: 14px; }
.cmp-head { font-size: 13px; font-weight: 600; }
.cmp-head small { margin-left: 4px; font-weight: 400; color: var(--ink-3); }
.cmp-row { display: grid; grid-template-columns: 36px minmax(0, 1fr) 44px; align-items: center; gap: 6px; margin-top: 4px; font-size: 12px; color: var(--ink-2); }
.cmp-row .num { text-align: right; }
.heat { margin-top: 8px; }
.heat-row { display: grid; grid-template-columns: 36px minmax(0, 1fr) 40px; align-items: end; gap: 6px; margin-top: 6px; font-size: 12px; color: var(--ink-2); }
.heat-row .num { text-align: right; padding-bottom: 2px; }
.heat-bars { display: flex; align-items: flex-end; gap: 3px; height: 40px; }
.hb { flex: 1; min-width: 0; height: var(--h); border-radius: 4px 4px 2px 2px; background: var(--c); }
.hb.l0 { height: 6px; background: var(--track); }
.hb.l1 { opacity: 0.35; }
.hb.l2 { opacity: 0.55; }
.hb.l3 { opacity: 0.8; }
.hb.selected { outline: 2px solid var(--ink); outline-offset: 1px; }
.heat-axis { display: flex; justify-content: space-between; margin: 4px 46px 0 42px; font-size: 11px; color: var(--ink-3); }
.day-detail { margin-top: 10px; padding: 10px 12px; border-radius: 12px; background: var(--inset); font-size: 13px; }
.day-detail p { display: flex; align-items: center; gap: 6px; margin-top: 4px; }
.weights { margin-top: 14px; }
.weights summary { cursor: pointer; font-size: 13px; font-weight: 600; color: var(--ink-2); }
.w-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px 12px; margin-top: 10px; }

/* 约学习 */
.grid .head .inv-mark { margin-top: 2px; padding: 0 5px; border-radius: 8px; background: var(--me); color: #fff; font-size: 10px; font-style: normal; line-height: 15px; }
.invites { list-style: none; margin: 8px 0 0; padding: 0; }
.invite { padding: 10px 0; border-top: 1px solid var(--line); }
.inv-head { display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 10px; }
.inv-head b { font-weight: 650; font-variant-numeric: tabular-nums; }
.inv-head span { font-size: 13px; color: var(--ink-2); }
.inv-by, .inv-going { display: flex; flex-wrap: wrap; align-items: center; gap: 4px 8px; margin-top: 4px; font-size: 13px; color: var(--ink-2); overflow-wrap: anywhere; }
.inv-going span { display: inline-flex; align-items: center; gap: 4px; }
.invite .msgs { display: grid; gap: 2px; margin-top: 6px; }
.invite .msgs p { padding: 4px 8px; border-radius: 8px; background: var(--inset); font-size: 13px; color: var(--ink-2); overflow-wrap: anywhere; }
.invite .msgs b { font-weight: 600; color: var(--ink); }
.inv-acts { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; margin-top: 8px; }
.inv-reply {
  flex: 1 1 140px;
  min-width: 0;
  min-height: 34px;
  padding: 4px 12px;
  border: 1px solid var(--axis);
  border-radius: 17px;
  background: var(--card);
  color: var(--ink);
  font-size: 16px;
}

/* 资料库 */
.library .upload { margin-top: 12px; }
.upload-state { display: grid; gap: 2px; margin-top: 12px; padding: 12px; border-radius: 14px; background: var(--inset); }
.files li { grid-template-columns: auto minmax(0, 1fr) auto; }
.ftype { min-width: 44px; padding: 3px 6px; border-radius: 8px; background: var(--track); color: var(--ink-2); font-size: 11px; font-weight: 600; text-align: center; }

/* 液态玻璃（用户要的苹果风）：后面铺一层柔和的彩色光，卡片半透明带细高光边，导航栏和弹窗磨砂 */
:root {
  --glass: rgba(255, 255, 255, 0.6);
  --glass-strong: rgba(255, 255, 255, 0.76);
  --glass-edge: rgba(255, 255, 255, 0.85);
  --glass-shadow: 0 1px 1px rgba(28, 27, 24, 0.04), 0 12px 32px -14px rgba(28, 27, 24, 0.2);
  --glass-hi: inset 0 1px 0 rgba(255, 255, 255, 0.9);
  --inset: rgba(245, 244, 240, 0.72);
  --blob-1: rgba(42, 120, 214, 0.34);
  --blob-2: rgba(235, 104, 52, 0.24);
  --blob-3: rgba(27, 175, 122, 0.24);
  --blob-4: rgba(138, 92, 200, 0.22);
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --glass: rgba(30, 30, 29, 0.58);
    --glass-strong: rgba(38, 38, 36, 0.74);
    --glass-edge: rgba(255, 255, 255, 0.09);
    --glass-shadow: 0 1px 1px rgba(0, 0, 0, 0.3), 0 14px 34px -14px rgba(0, 0, 0, 0.65);
    --glass-hi: inset 0 1px 0 rgba(255, 255, 255, 0.07);
    --inset: rgba(17, 17, 16, 0.55);
    --blob-1: rgba(57, 135, 229, 0.3);
    --blob-2: rgba(217, 89, 38, 0.2);
    --blob-3: rgba(25, 158, 112, 0.2);
    --blob-4: rgba(155, 114, 219, 0.2);
  }
}
:root[data-theme="dark"] {
  --glass: rgba(30, 30, 29, 0.58);
  --glass-strong: rgba(38, 38, 36, 0.74);
  --glass-edge: rgba(255, 255, 255, 0.09);
  --glass-shadow: 0 1px 1px rgba(0, 0, 0, 0.3), 0 14px 34px -14px rgba(0, 0, 0, 0.65);
  --glass-hi: inset 0 1px 0 rgba(255, 255, 255, 0.07);
  --inset: rgba(17, 17, 16, 0.55);
  --blob-1: rgba(57, 135, 229, 0.3);
  --blob-2: rgba(217, 89, 38, 0.2);
  --blob-3: rgba(25, 158, 112, 0.2);
  --blob-4: rgba(155, 114, 219, 0.2);
}

html { background: var(--paper); }
body { background: transparent; }
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(60vmax 45vmax at 0% 0%, var(--blob-1), transparent 62%),
    radial-gradient(50vmax 40vmax at 100% 18%, var(--blob-2), transparent 62%),
    radial-gradient(55vmax 45vmax at 15% 100%, var(--blob-3), transparent 62%),
    radial-gradient(45vmax 35vmax at 100% 92%, var(--blob-4), transparent 62%);
}

.card {
  background: var(--glass);
  border-color: var(--glass-edge);
  border-radius: 22px;
  box-shadow: var(--glass-shadow), var(--glass-hi);
}
.status, .tabs, .tip, .modal .box {
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  backdrop-filter: blur(24px) saturate(180%);
}
.status { background: var(--glass-strong); border-color: var(--glass-edge); box-shadow: var(--glass-shadow), var(--glass-hi); }
.tabs {
  top: 6px;
  width: calc(100% - 16px);
  max-width: 760px;
  margin: 6px auto 2px;
  padding: 4px;
  border: 1px solid var(--glass-edge);
  border-radius: 26px;
  background: var(--glass-strong);
  box-shadow: var(--glass-shadow), var(--glass-hi);
}
.tabs button { border-radius: 20px; }
.tabs button[aria-current="page"] { background: var(--card); box-shadow: 0 1px 4px rgba(0, 0, 0, 0.1), inset 0 0 0 1px var(--glass-edge); }
.btn { border-radius: 12px; background: var(--glass-strong); border-color: var(--glass-edge); box-shadow: var(--glass-hi); }
.btn.primary { background: var(--ink); border-color: var(--ink); box-shadow: 0 4px 14px -6px rgba(0, 0, 0, 0.45); }
.btn.quiet { background: none; border-color: transparent; box-shadow: none; }
.btn.big { border-radius: 16px; }
.seg, .date-chip, .pick button { border-radius: 14px; background: var(--glass-strong); }
.seg[aria-pressed="true"], .date-chip[aria-pressed="true"] { background: var(--ink); }
.chip-btn, .time { background: var(--glass-strong); }
.chip-btn[aria-pressed="true"] { background: var(--ink); }
.field input, .field select { border-radius: 12px; background: var(--glass-strong); }
.task { border-radius: 16px; border-color: var(--glass-edge); background: var(--glass-strong); }
.task.is-done { background: var(--inset); }
.q { border-radius: 10px; background: var(--glass-strong); }
.q.wrong { background: var(--ink); }
.thumb { border-radius: 12px; }
.feed-body .ai-text, .groups .msgs p { background: var(--inset); border-radius: 12px; }
.modal { background: rgba(11, 11, 11, 0.32); -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px); }
.modal .box { background: var(--glass-strong); border: 1px solid var(--glass-edge); border-radius: 26px; box-shadow: var(--glass-shadow), var(--glass-hi); }
.tip { background: var(--glass-strong); border-color: var(--glass-edge); border-radius: 12px; }

/* 手机设置里「降低透明度」打开时，全部用实色 */
@media (prefers-reduced-transparency: reduce) {
  :root, :root:not([data-theme="light"]), :root[data-theme="dark"] {
    --glass: var(--card);
    --glass-strong: var(--card);
    --inset: var(--paper);
  }
  body::before { display: none; }
  .status, .tabs, .tip, .modal, .modal .box { -webkit-backdrop-filter: none; backdrop-filter: none; }
}