:root {
  --paper: #f4efe6;
  --card: #fffdf9;
  --ink: #2b2723;
  --ink-soft: #6f655a;
  --line: #ded2c0;
  --line-soft: #eee5d7;
  --seal: #932b20;
  --seal-deep: #762018;
  --good: #2f6b45;
  --good-bg: #eaf4ec;
  --warn: #8a5a13;
  --warn-bg: #fbf1dd;
  --bad: #8b2419;
  --bad-bg: #fbeceb;
  --shadow: 0 14px 40px -26px rgba(64, 44, 22, 0.4);
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 12% 0%, rgba(147, 43, 32, 0.05), transparent 34%),
    var(--paper);
  font-family: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  font-size: 14px;
  line-height: 1.6;
}

a { color: var(--seal); text-decoration: none; }
a:hover { text-decoration: underline; }

h1, h2, h3 { font-family: "Noto Serif SC", "Songti SC", "SimSun", Georgia, serif; font-weight: 600; }
h1 { font-size: 26px; margin: 0 0 6px; letter-spacing: 0.04em; }
h2 { font-size: 17px; margin: 0 0 12px; letter-spacing: 0.03em; }

.muted { color: var(--ink-soft); }
.small { font-size: 12.5px; }
.mono { font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace; }
.nowrap { white-space: nowrap; }

.topbar {
  display: flex;
  align-items: center;
  gap: 22px;
  flex-wrap: wrap;
  padding: 14px 26px;
  background: rgba(255, 253, 249, 0.92);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(6px);
  position: sticky;
  top: 0;
  z-index: 20;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-family: "Noto Serif SC", "Songti SC", "SimSun", serif;
  font-size: 17px;
  letter-spacing: 0.06em;
  font-weight: 600;
}
.brand:hover { text-decoration: none; }

.seal-sm {
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  border-radius: 7px;
  background: linear-gradient(160deg, var(--seal), var(--seal-deep));
  color: #fff8ee;
  font-size: 16px;
}

.nav { display: flex; gap: 18px; flex-wrap: wrap; }
.nav a { color: var(--ink-soft); padding: 4px 0; border-bottom: 2px solid transparent; }
.nav a:hover { color: var(--seal); text-decoration: none; border-bottom-color: var(--seal); }

.who { margin-left: auto; display: flex; align-items: center; gap: 10px; color: var(--ink-soft); }
.who-name { color: var(--ink); font-weight: 600; }
.role { padding: 2px 8px; border: 1px solid var(--line); border-radius: 999px; font-size: 12px; }

.link {
  border: 0;
  background: none;
  color: var(--seal);
  font: inherit;
  cursor: pointer;
  padding: 0;
}
.link:hover { text-decoration: underline; }

.inline { display: inline; margin: 0; }

.wrap {
  max-width: 1180px;
  margin: 0 auto;
  padding: 28px 26px 46px;
}

.foot {
  padding: 20px 26px 34px;
  text-align: center;
  color: #948675;
  font-size: 12px;
  letter-spacing: 0.08em;
}

.flash, .alert {
  margin: 0 0 18px;
  padding: 11px 14px;
  border-radius: 9px;
  border: 1px solid;
  font-size: 14px;
}
.flash { background: var(--good-bg); border-color: #c4dfcc; color: var(--good); }
.flash.hide { opacity: 0; transition: opacity 0.4s; }
.alert { background: var(--bad-bg); border-color: #e7bdb6; color: var(--bad); }
.warn-box { background: var(--warn-bg); border-color: #ead3a8; color: var(--warn); }

.page-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
  margin-bottom: 22px;
}

.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 12px;
  margin-bottom: 22px;
}
.stat {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 16px 18px;
  box-shadow: var(--shadow);
}
.stat span { display: block; color: var(--ink-soft); font-size: 12.5px; letter-spacing: 0.05em; }
.stat strong { display: block; margin-top: 4px; font-size: 28px; font-weight: 600; font-family: "Noto Serif SC", "Songti SC", serif; }

.panel {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 20px;
  box-shadow: var(--shadow);
  margin-bottom: 22px;
}
.panel-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; }

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 9px 15px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fffdf9;
  color: var(--ink);
  font: inherit;
  font-size: 13.5px;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.15s, border-color 0.15s, transform 0.06s;
}
.button:hover { background: #f6efe4; border-color: #cdbda5; text-decoration: none; }
.button:active { transform: translateY(1px); }
.button.primary { background: var(--seal); border-color: var(--seal-deep); color: #fff8ee; }
.button.primary:hover { background: var(--seal-deep); }
.button.danger { color: var(--bad); border-color: #e4b8b1; background: #fffafa; }
.button.danger:hover { background: var(--bad-bg); }
.button.ghost-danger { color: var(--bad); border-color: transparent; background: transparent; }
.button.ghost-danger:hover { background: var(--bad-bg); }
.button.small { padding: 5px 10px; font-size: 12.5px; }
.button.block { width: 100%; }

.toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}
.chips { display: flex; gap: 8px; flex-wrap: wrap; }
.chip {
  padding: 5px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--ink-soft);
  background: #fffdf9;
  font-size: 13px;
}
.chip:hover { text-decoration: none; border-color: #cdbda5; }
.chip.on { background: var(--ink); border-color: var(--ink); color: #fff8ee; }

.search { display: flex; gap: 8px; }
.search input {
  min-width: 220px;
  padding: 8px 11px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fffefb;
  font: inherit;
}

.table-wrap {
  width: 100%;
  overflow-x: auto;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: var(--shadow);
}
table { width: 100%; border-collapse: collapse; min-width: 860px; }
th, td { padding: 11px 13px; text-align: left; vertical-align: top; border-bottom: 1px solid var(--line-soft); }
th {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--ink-soft);
  font-weight: 600;
  background: #faf5ec;
  position: sticky;
  top: 0;
}
tr:last-child td { border-bottom: 0; }
tbody tr:hover { background: #fcf8f1; }
.detail { max-width: 320px; color: var(--ink-soft); font-size: 13px; }
.actions-col { width: 1%; white-space: nowrap; }
.row-actions { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.extend { display: inline-flex; align-items: center; gap: 4px; }
.days {
  width: 62px;
  padding: 5px 6px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fffefb;
  font: inherit;
  font-size: 12.5px;
}

.status {
  display: inline-block;
  padding: 2px 9px;
  border-radius: 999px;
  font-size: 12.5px;
  white-space: nowrap;
}
.status.good { color: var(--good); background: var(--good-bg); }
.status.warn { color: var(--warn); background: var(--warn-bg); }
.status.bad { color: var(--bad); background: var(--bad-bg); }

.tag {
  display: inline-block;
  padding: 1px 8px;
  border-radius: 6px;
  background: #f3ece0;
  color: var(--ink-soft);
  font-size: 12px;
  white-space: nowrap;
}

.empty {
  padding: 42px 20px;
  text-align: center;
  color: var(--ink-soft);
  background: var(--card);
  border: 1px dashed var(--line);
  border-radius: 14px;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px 18px;
}
.form-grid.narrow { max-width: 620px; }
.span-2 { grid-column: 1 / -1; }
.field { display: grid; gap: 6px; }
.field > span { color: var(--ink-soft); font-size: 12.5px; letter-spacing: 0.04em; }
input, select {
  width: 100%;
  padding: 9px 11px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fffefb;
  color: var(--ink);
  font: inherit;
}
input:focus, select:focus {
  outline: none;
  border-color: var(--seal);
  box-shadow: 0 0 0 3px rgba(147, 43, 32, 0.1);
}
.actions { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }

.note ul { margin: 0; padding-left: 20px; color: var(--ink-soft); }
.note li { margin: 5px 0; }

.created { text-align: center; }
.code-box {
  margin: 18px auto;
  padding: 20px 16px;
  max-width: 680px;
  border: 1px dashed #c9b492;
  border-radius: 12px;
  background: #fffcf4;
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 21px;
  letter-spacing: 0.14em;
  word-break: break-all;
  line-height: 1.7;
}
.qr-block {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  margin-top: 22px;
  padding-top: 20px;
  border-top: 1px solid var(--line-soft);
  text-align: left;
  flex-wrap: wrap;
}
.qr { border: 1px solid var(--line); border-radius: 10px; background: #fff; padding: 6px; }

.reset { display: inline-block; }
.reset summary { cursor: pointer; font-size: 12.5px; }
.reset-form { display: flex; gap: 6px; margin-top: 6px; }
.reset-form input { min-width: 180px; padding: 5px 8px; font-size: 12.5px; }

/* 登录页 */
body.auth-body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 30px 18px;
  background:
    radial-gradient(circle at 20% 10%, rgba(147, 43, 32, 0.07), transparent 36%),
    radial-gradient(circle at 84% 90%, rgba(120, 92, 50, 0.09), transparent 40%),
    var(--paper);
}
.auth-body .wrap { width: 100%; max-width: 420px; padding: 0; }
.auth-body .foot { padding-top: 24px; }
.auth-card {
  width: 100%;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 36px 32px 28px;
  box-shadow: 0 18px 45px -24px rgba(60, 42, 20, 0.45);
  text-align: center;
}
.auth-card .seal {
  width: 56px;
  height: 56px;
  margin: 0 auto 16px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: linear-gradient(160deg, var(--seal), var(--seal-deep));
  color: #fff8ee;
  font-size: 28px;
  font-weight: 700;
}
.auth-card h1 { font-size: 26px; letter-spacing: 0.12em; }
.auth-card .sub { margin: 8px 0 24px; color: var(--ink-soft); font-size: 13.5px; letter-spacing: 0.08em; }
.auth-card .hint { margin: 18px 0 0; color: var(--ink-soft); font-size: 12.5px; }
.stack { display: grid; gap: 14px; text-align: left; }

@media (max-width: 760px) {
  .topbar { padding: 12px 16px; gap: 12px; }
  .wrap { padding: 20px 16px 36px; }
  .form-grid { grid-template-columns: 1fr; }
  .search input { min-width: 0; width: 100%; }
  .search { width: 100%; }
  .search input { flex: 1; }
  .who { margin-left: 0; }
  h1 { font-size: 22px; }
  .code-box { font-size: 16px; letter-spacing: 0.08em; }
}