:root {
  --primary: #2f6fed;
  --primary-dark: #2257c4;
  --bg: #f3f5f9;
  --card: #ffffff;
  --text: #1f2330;
  --muted: #8a90a2;
  --ok: #1aa179;
  --warn: #e08a00;
  --danger: #d8493f;
  --money: #b45309;
  --line: #e6e9f0;
  --radius: 14px;
}

/* 必须放在所有 display 规则之前生效：作者样式里的 display 会覆盖
   [hidden] 的 UA 默认 display:none，因此显式声明，保证 hidden 属性可靠。 */
[hidden] { display: none !important; }

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html, body { margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 15px;
  line-height: 1.5;
}

/* 登录 */
.login-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 20px; }
.login-card {
  width: 100%; max-width: 360px; background: var(--card);
  border-radius: var(--radius); padding: 28px 22px;
  box-shadow: 0 10px 40px rgba(20, 30, 60, 0.08);
}
.brand { margin: 0 0 4px; font-size: 24px; color: var(--primary); text-align: center; }
.login-card .sub { margin: 0 0 18px; text-align: center; color: var(--muted); font-size: 13px; }

form { display: flex; flex-direction: column; gap: 12px; }
label { display: flex; flex-direction: column; gap: 5px; font-size: 13px; color: var(--muted); }
input, select, textarea {
  font: inherit; padding: 10px 12px; border: 1px solid var(--line);
  border-radius: 10px; background: #fff; color: var(--text); outline: none;
}
input:focus, select:focus, textarea:focus { border-color: var(--primary); }
button {
  font: inherit; cursor: pointer; border: none; border-radius: 10px;
  padding: 11px 14px; background: var(--primary); color: #fff; font-weight: 600;
}
button:hover { background: var(--primary-dark); }
button:active { transform: translateY(1px); }
button.link { background: none; color: var(--primary); padding: 4px 8px; font-weight: 500; }
button.danger { background: var(--danger); }
button.ghost { background: #eef1f8; color: var(--text); }
button.sm { padding: 6px 10px; font-size: 13px; border-radius: 8px; }

/* 主应用 */
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 16px; background: var(--card); box-shadow: 0 1px 0 var(--line);
  position: sticky; top: 0; z-index: 5;
}
.who { display: flex; align-items: center; gap: 8px; font-weight: 600; }
.badge { font-size: 11px; padding: 2px 8px; border-radius: 999px; background: #eaf0ff; color: var(--primary); font-weight: 600; }
.badge.admin { background: #fdeceb; color: var(--danger); }

.tabs {
  display: flex; gap: 6px; overflow-x: auto; padding: 10px 12px;
  background: var(--card); position: sticky; top: 53px; z-index: 4; border-bottom: 1px solid var(--line);
}
.tabs button {
  background: #eef1f8; color: var(--muted); font-weight: 600; white-space: nowrap; padding: 8px 14px;
}
.tabs button.active { background: var(--primary); color: #fff; }

main { max-width: 720px; margin: 0 auto; padding: 16px; }
.view { display: flex; flex-direction: column; gap: 16px; }

.card { background: var(--card); border-radius: var(--radius); padding: 16px; box-shadow: 0 4px 18px rgba(20,30,60,0.05); }
.card h2 { margin: 0 0 12px; font-size: 16px; }
.row { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.muted { color: var(--muted); font-size: 13px; }

/* 额度进度 */
.quota-card .q-top { display: flex; align-items: baseline; justify-content: space-between; margin-bottom: 8px; }
.quota-card .remain { font-size: 26px; font-weight: 700; color: var(--primary); }
.quota-card .remain.low { color: var(--warn); }
.bar { height: 10px; border-radius: 999px; background: #eef1f8; overflow: hidden; }
.bar > i { display: block; height: 100%; background: var(--primary); }
.bar > i.low { background: var(--warn); }

/* 年度周图：一年有多少个自然周就画多少格 */
.wk-range { margin: -6px 0 10px; }
.wk-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 8px; }
.wk-head span { font-size: 16px; }
.wk-hint { margin: 0 0 10px; line-height: 1.45; }
.wk-hint b.wk-t { color: var(--primary); font-weight: 600; }
.wk-hint b.wk-m { color: var(--money); font-weight: 600; }
.wk-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(64px, 1fr)); gap: 6px; }
.wk-cell {
  border: 1px solid var(--line); border-radius: 9px; padding: 6px 4px;
  text-align: center; background: #fbfcfe; cursor: pointer; line-height: 1.3;
}
.wk-cell:active { transform: translateY(1px); }
.wk-cell .wk-lab { font-size: 10px; color: var(--muted); }
.wk-cell .wk-time { font-size: 13px; font-weight: 700; color: var(--primary); font-variant-numeric: tabular-nums; }
.wk-cell .wk-money { font-size: 11px; color: var(--money); font-variant-numeric: tabular-nums; }
.wk-cell.empty { opacity: 0.4; }
.wk-cell.empty .wk-time, .wk-cell.empty .wk-money { color: var(--muted); font-weight: 500; }
.wk-cell.now { border-color: var(--primary); background: #eef3ff; box-shadow: inset 0 0 0 1px var(--primary); opacity: 1; }
.wk-cell.now .wk-lab { color: var(--primary); font-weight: 600; }
.wk-sum { margin: 10px 0 0; }

/* 列表 */
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 9px 8px; border-bottom: 1px solid var(--line); }
th { color: var(--muted); font-weight: 600; font-size: 12px; }
td.num { text-align: right; font-variant-numeric: tabular-nums; }
.list-actions { display: flex; gap: 6px; }

.toolbar { display: flex; flex-wrap: wrap; gap: 8px; align-items: end; }
.toolbar label { flex: 1 1 120px; }

.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.form-grid label { flex: initial; }
.full { grid-column: 1 / -1; }

/* 成员 */
.member { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 10px 0; border-bottom: 1px solid var(--line); }
.member .name { font-weight: 600; }
.member .meta { font-size: 12px; color: var(--muted); }

/* toast */
.toast {
  position: fixed; left: 50%; bottom: 28px; transform: translateX(-50%);
  background: rgba(31,35,48,0.92); color: #fff; padding: 10px 16px; border-radius: 10px;
  font-size: 14px; z-index: 50; max-width: 90vw;
}
.toast.err { background: rgba(216,73,63,0.95); }

@media (max-width: 480px) {
  .form-grid { grid-template-columns: 1fr; }
}