:root {
  --bg: #f5f5f7;
  --surface: #ffffff;
  --surface-2: #fbfbfd;
  --text: #1d1d1f;
  --text-2: #6e6e73;
  --line: rgba(0, 0, 0, 0.08);
  --accent: #0071e3;
  --accent-soft: rgba(0, 113, 227, 0.1);
  --ok: #1d9c50;
  --warn: #b26a00;
  --danger: #d70015;
  --radius: 20px;
  --shadow: 0 2px 12px rgba(0, 0, 0, 0.06), 0 12px 32px rgba(0, 0, 0, 0.04);
  --font: -apple-system, BlinkMacSystemFont, "SF Pro SC", "PingFang SC", "Helvetica Neue",
    "Microsoft YaHei", sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #000000;
    --surface: #1c1c1e;
    --surface-2: #232326;
    --text: #f5f5f7;
    --text-2: #a1a1a6;
    --line: rgba(255, 255, 255, 0.12);
    --accent: #0a84ff;
    --accent-soft: rgba(10, 132, 255, 0.16);
    --shadow: none;
  }
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  -webkit-font-smoothing: antialiased;
  line-height: 1.5;
}

a { color: var(--accent); text-decoration: none; }

/* 顶栏 */
.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px max(20px, env(safe-area-inset-left)) 10px max(20px, env(safe-area-inset-right));
  background: color-mix(in srgb, var(--bg) 78%, transparent);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid var(--line);
  min-height: 52px;
}
.topbar .brand {
  font-weight: 600;
  font-size: 17px;
  letter-spacing: -0.01em;
}
.topbar .who { color: var(--text-2); font-size: 13px; }
.topbar nav { display: flex; align-items: center; gap: 16px; font-size: 14px; }
.topbar nav a { color: var(--text-2); }
.topbar nav a.active { color: var(--text); font-weight: 500; }

main { padding: 0 20px 64px; max-width: 1080px; margin: 0 auto; }

/* 大标题 */
.hero { padding: 48px 0 28px; }
.hero h1 {
  margin: 0;
  font-size: clamp(32px, 5vw, 48px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  font-weight: 600;
}
.hero p { margin: 12px 0 0; color: var(--text-2); font-size: 17px; max-width: 46ch; }

.section-title {
  margin: 36px 0 14px;
  font-size: 21px;
  letter-spacing: -0.01em;
  font-weight: 600;
}

/* 卡片 */
.grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
}
.card {
  display: block;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
  color: inherit;
  box-shadow: var(--shadow);
  transition: transform 0.22s ease, box-shadow 0.22s ease;
}
.card:hover { transform: translateY(-2px); }
.card h3 { margin: 0 0 6px; font-size: 19px; letter-spacing: -0.01em; }
.card .note { color: var(--text-2); font-size: 14px; min-height: 42px; }
.card .stats { display: flex; gap: 22px; margin-top: 16px; }
.card .stat b { display: block; font-size: 24px; font-weight: 600; letter-spacing: -0.02em; }
.card .stat span { color: var(--text-2); font-size: 12px; }
.card.dim { opacity: 0.72; }

.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 12px;
  background: var(--accent-soft);
  color: var(--accent);
}
.badge.muted { background: rgba(127, 127, 127, 0.14); color: var(--text-2); }
.badge.ok { background: rgba(29, 156, 80, 0.14); color: var(--ok); }
.badge.warn { background: rgba(255, 149, 0, 0.16); color: var(--warn); }
.photo-block { margin: 4px 0 16px; }
.photo-block .meta { display: block; margin-bottom: 8px; }
.photo-block .photo-btn { display: inline-block; margin-top: 10px; }

/* 列表 */
.panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.rows { display: flex; flex-direction: column; }
.row {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 16px 20px;
  border-top: 1px solid var(--line);
}
.row:first-child { border-top: none; }
.row .when { color: var(--text-2); font-size: 13px; width: 96px; flex: none; padding-top: 2px; }
.row .body { flex: 1; min-width: 0; }
.row .body strong { font-weight: 500; }
.row .body p { margin: 4px 0 0; color: var(--text-2); font-size: 14px; word-break: break-word; }
.row .meta { color: var(--text-2); font-size: 12px; margin-top: 6px; }
.row .actions { display: flex; gap: 8px; flex: none; }

.empty { padding: 40px 20px; text-align: center; color: var(--text-2); }

/* 按钮 */
.btn {
  appearance: none;
  border: none;
  border-radius: 999px;
  padding: 9px 18px;
  font-size: 15px;
  font-family: inherit;
  background: var(--accent);
  color: #fff;
  cursor: pointer;
  transition: opacity 0.2s ease;
}
.btn:hover { opacity: 0.88; }
.btn.ghost { background: transparent; color: var(--accent); padding: 9px 10px; }
.btn.quiet { background: rgba(127, 127, 127, 0.12); color: var(--text); }
.btn.danger { background: transparent; color: var(--danger); padding: 9px 10px; }
.btn:disabled { opacity: 0.5; cursor: default; }
.toolbar { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin: 20px 0 14px; }

/* 表单 */
label.field { display: block; margin-bottom: 16px; }
label.field span { display: block; font-size: 13px; color: var(--text-2); margin-bottom: 6px; }
input, select, textarea {
  width: 100%;
  padding: 12px 14px;
  font-size: 16px;
  font-family: inherit;
  color: var(--text);
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: 12px;
  outline: none;
}
input:focus, select:focus, textarea:focus { border-color: var(--accent); }
textarea { min-height: 88px; resize: vertical; }

.login-wrap { max-width: 420px; margin: 8vh auto 0; }
.login-card { background: var(--surface); border: 1px solid var(--line); border-radius: 24px; padding: 32px; box-shadow: var(--shadow); }
.login-card h1 { margin: 0 0 4px; font-size: 30px; letter-spacing: -0.02em; }
.login-card p.sub { margin: 0 0 24px; color: var(--text-2); font-size: 14px; }
.login-input { margin-bottom: 14px; }
.login-input:last-of-type { margin-bottom: 20px; }
.hint { color: var(--text-2); font-size: 13px; margin-top: 14px; }
.hint.mobile-only { display: none; }

/* 浮层与提示 */
.overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.42);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  z-index: 40;
}
.overlay[hidden] { display: none; }
.sheet {
  width: min(520px, 100%);
  max-height: 88vh;
  overflow: auto;
  background: var(--surface);
  border-radius: 22px;
  padding: 26px;
  border: 1px solid var(--line);
}
.sheet h2 { margin: 0 0 18px; font-size: 22px; letter-spacing: -0.01em; }
.sheet .actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 20px; }

.toast {
  position: fixed;
  left: 50%;
  bottom: max(24px, env(safe-area-inset-bottom));
  transform: translateX(-50%);
  background: rgba(0, 0, 0, 0.86);
  color: #fff;
  padding: 12px 22px;
  border-radius: 999px;
  font-size: 14px;
  z-index: 60;
  max-width: 88vw;
}
.toast[hidden] { display: none; }

.view { animation: fadeUp 0.26s ease both; }
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: none; }
}

@media (prefers-reduced-motion: reduce) {
  .view { animation: none; }
  .card { transition: none; }
}

/* 手机 */
@media (max-width: 640px) {
  main { padding: 0 16px 56px; }
  .hero { padding: 30px 0 20px; }
  .row { flex-wrap: wrap; gap: 8px; }
  .row .when { width: auto; }
  .row .actions { width: 100%; justify-content: flex-end; }
}

/* 能源抄表 */
.energy-entry { padding: 20px; margin-bottom: 8px; }
.entry-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 16px;
  flex-wrap: wrap;
}
.entry-head .field { margin: 0; min-width: 190px; }
.entry-state { color: var(--text-2); font-size: 13px; text-align: right; }
.energy-row {
  display: grid;
  grid-template-columns: minmax(180px, 1fr) minmax(240px, 1fr);
  gap: 8px 18px;
  align-items: center;
  padding: 14px 0;
  border-top: 1px solid var(--line);
}
.energy-row .row-label b { font-weight: 500; }
.energy-row .row-label .unit { color: var(--text-2); font-size: 13px; margin-left: 6px; }
.energy-row .row-label .meta { display: block; }
.row-input { display: flex; align-items: center; gap: 10px; }
.row-input input { flex: 1; }
.photo-btn {
  flex: none;
  padding: 9px 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface-2);
  color: var(--text);
  font-size: 14px;
  white-space: nowrap;
  cursor: pointer;
}
.photo-btn.done { background: var(--accent-soft); color: var(--accent); border-color: transparent; }
.thumbs { display: flex; flex-wrap: wrap; gap: 8px; grid-column: 1 / -1; }
.thumb {
  position: relative;
  width: 76px;
  height: 76px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
  background: var(--surface-2);
  cursor: pointer;
}
.thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.thumb span {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 2px 4px;
  font-size: 10px;
  color: #fff;
  background: rgba(0, 0, 0, 0.55);
}
.thumb.pending { outline: 2px solid var(--accent); }
.entry-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}
.energy-list { display: flex; flex-direction: column; gap: 14px; }
.energy-card { padding: 18px 20px; }
.energy-card-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  flex-wrap: wrap;
}
.energy-card-head .meta { display: block; }
.energy-card-head .actions { display: flex; gap: 8px; }
.readings {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 8px 16px;
  margin: 14px 0;
}
.reading {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  font-size: 13px;
  border-bottom: 1px dotted var(--line);
  padding-bottom: 4px;
}
.reading span { color: var(--text-2); }
.history { margin-top: 12px; padding-top: 10px; border-top: 1px solid var(--line); }
.history-row { padding: 6px 0; font-size: 14px; }
.lightbox { width: min(760px, 100%); }
.lightbox img { display: block; width: 100%; border-radius: 16px; background: #000; }
.lightbox-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 12px;
  color: #fff;
}

/* 需求雷达（内嵌）+ 手册问答 */
.panel.embedded { padding: 0; overflow: hidden; }
.panel.embedded iframe { display: block; width: 100%; height: 76vh; min-height: 420px; border: 0; }
.qa { padding: 16px 20px; }
.qa-q { font-weight: 500; margin-bottom: 6px; }
.qa-a { color: var(--text-2); font-size: 14px; white-space: normal; }
.chapter-thumbs { margin: 10px 0 4px; }
.thumb.wide { width: 132px; height: 96px; }

/* 排班表 */
.roster-me {
  display: flex;
  flex-wrap: wrap;
  gap: 26px;
  padding: 16px 20px;
  margin-bottom: 14px;
}
.roster-me .me-block b { display: block; font-size: 18px; font-weight: 600; }
.roster-me .me-block.wide { flex: 1; min-width: 220px; }
.roster-me .me-block.wide b { font-size: 15px; font-weight: 500; }
.roster-me i { font-style: normal; color: var(--text-2); font-size: 12px; margin-left: 2px; }
.roster-controls { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.roster-controls .inline { display: flex; align-items: center; gap: 6px; color: var(--text-2); font-size: 14px; }
.roster-controls input[type="number"] { width: 84px; padding: 8px 10px; }
.roster-scroll { overflow: auto; border: 1px solid var(--line); border-radius: 16px; background: var(--surface); }
table.roster { border-collapse: collapse; font-size: 13px; }
table.roster th, table.roster td { border-bottom: 1px solid var(--line); border-right: 1px solid var(--line); padding: 0; text-align: center; }
table.roster thead th { position: sticky; top: 0; background: var(--surface-2); font-weight: 500; padding: 6px 4px; z-index: 2; }
table.roster thead th span { display: block; font-size: 10px; color: var(--text-2); }
table.roster .col-name {
  position: sticky;
  left: 0;
  background: var(--surface-2);
  text-align: left;
  padding: 6px 10px;
  min-width: 96px;
  z-index: 1;
}
table.roster .col-name .meta { display: block; }
table.roster .col-stat { padding: 6px 8px; background: var(--surface-2); }
table.roster td.col-stat { background: var(--surface); }
table.roster .neg { color: var(--danger); }
table.roster .weekend { background: rgba(127, 127, 127, 0.08); }
table.roster .cell-shift { background: rgba(0, 113, 227, 0.1); }
table.roster .cell-leave { background: rgba(255, 149, 0, 0.14); }
table.roster .cell-off { background: rgba(127, 127, 127, 0.16); color: var(--text-2); }
.rcell, .rcell-static { display: block; width: 100%; min-width: 38px; padding: 7px 2px; background: none; border: 0; font: inherit; color: inherit; cursor: pointer; }
.rcell-static { cursor: default; }
.rcell:hover { background: var(--accent-soft); }
/* 我的全月班：月历 */
.roster-me .btn { align-self: center; }
.cal-head {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 4px;
  text-align: center;
  font-size: 11px;
  color: var(--text-2);
  margin-bottom: 6px;
}
.cal { display: grid; grid-template-columns: repeat(7, 1fr); gap: 4px; }
.cal-cell {
  min-height: 54px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  padding: 4px 2px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface-2);
}
.cal-cell .d { font-size: 10px; color: var(--text-2); }
.cal-cell b { font-size: 13px; font-weight: 600; line-height: 1.15; text-align: center; word-break: break-all; }
.cal-cell.blank { border: 0; background: none; }
.cal-cell.weekend .d { color: var(--accent); }
.cal-cell.cell-shift { background: rgba(0, 113, 227, 0.1); }
.cal-cell.cell-leave { background: rgba(255, 149, 0, 0.16); }
.cal-cell.cell-off { background: rgba(127, 127, 127, 0.16); color: var(--text-2); }
.cal-cell.today { outline: 2px solid var(--accent); }
.btn.tiny { padding: 2px 6px; font-size: 11px; }
.picker .pick-group { margin: 14px 0; }
.picker .pick-group > .meta { display: block; margin-bottom: 8px; }
.pick {
  border: 1px solid var(--line);
  background: var(--surface-2);
  color: var(--text);
  border-radius: 10px;
  padding: 8px 10px;
  margin: 0 6px 6px 0;
  font: inherit;
  font-size: 13px;
  cursor: pointer;
  text-align: left;
}
.pick i { font-style: normal; color: var(--text-2); font-size: 11px; margin-left: 4px; }
.pick.current { border-color: var(--accent); background: var(--accent-soft); }
.pick.small { display: inline-block; }
.shift-list { max-height: 220px; overflow: auto; margin-top: 8px; }

@media (max-width: 640px) {
  .energy-row { grid-template-columns: 1fr; }
  .entry-state { text-align: left; }
  .entry-actions { flex-direction: column; align-items: stretch; }
  .entry-actions .btn { width: 100%; }
  .energy-card-head .actions { width: 100%; justify-content: flex-end; }
  /* 手机上「最近记录」只留最近两天，更早的在电脑上翻 */
  .energy-card.older { display: none; }
  .hint.mobile-only { display: block; }
  .cal-cell { min-height: 46px; }
  .cal-cell b { font-size: 12px; }
  /* 手机上"看我的全月班"紧跟在我今天/我明天后面，别被在班名单压到下面 */
  .roster-me #roster-my-month { order: 2; }
  .roster-me .me-block.wide { order: 3; }
}