:root {
  --brand: #C25A1E;
  --brand-dark: #9c4515;
  --brand-soft: #fbeee4;
  --ink: #1f1f1f;
  --muted: #6b6b6b;
  --line: #e8e2da;
  --bg: #faf7f3;
  --ok: #2f7d4f;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -webkit-text-size-adjust: 100%;
}
.wrap { max-width: 720px; margin: 0 auto; padding: 20px 16px 72px; }

header.brand { border-bottom: 2px solid var(--brand); padding-bottom: 12px; margin-bottom: 20px; }
header.brand h1 { font-size: 19px; margin: 0; color: var(--brand); letter-spacing: .5px; }
header.brand p { margin: 4px 0 0; color: var(--muted); font-size: 13px; }

h2 { font-size: 16px; margin: 26px 0 12px; }
h3 { font-size: 14px; margin: 18px 0 8px; }

label { display: block; font-size: 13px; color: var(--muted); margin: 14px 0 6px; }
input, select {
  width: 100%; padding: 11px 12px; border: 1px solid var(--line); border-radius: 8px;
  font-size: 16px; background: #fff; color: var(--ink);
  -webkit-appearance: none; appearance: none;
}
input:focus, select:focus { outline: none; border-color: var(--brand); }
select { background-image: linear-gradient(45deg, transparent 50%, var(--muted) 50%), linear-gradient(135deg, var(--muted) 50%, transparent 50%);
  background-position: calc(100% - 18px) 50%, calc(100% - 13px) 50%; background-size: 5px 5px, 5px 5px; background-repeat: no-repeat; }

button {
  cursor: pointer; border: none; border-radius: 8px; padding: 11px 18px; font-size: 15px;
  background: var(--brand); color: #fff; transition: background .15s; font-family: inherit;
}
button:hover { background: var(--brand-dark); }
button:disabled { opacity: .55; cursor: default; }
button.ghost { background: #fff; color: var(--brand); border: 1px solid var(--brand); }
button.ghost:hover { background: var(--brand-soft); }
button.mini { padding: 6px 12px; font-size: 13px; border-radius: 6px; }
a.btn {
  display: inline-block; text-decoration: none; text-align: center;
  border-radius: 8px; padding: 10px 16px; font-size: 14px;
  background: #fff; color: var(--brand); border: 1px solid var(--brand);
}
a.btn:hover { background: var(--brand-soft); }
a.btn.solid { background: var(--brand); color: #fff; border-color: var(--brand); }

.row { display: flex; gap: 10px; flex-wrap: wrap; }
.row > * { flex: 1; min-width: 120px; }

.card { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 16px; margin-bottom: 12px; }
.card .name { font-weight: 600; font-size: 15px; }
.card .meta { color: var(--muted); font-size: 13px; margin-top: 4px; }
.card .actions { margin-top: 12px; display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }

.tag {
  display: inline-block; background: var(--brand-soft); color: var(--brand);
  font-size: 12px; padding: 2px 8px; border-radius: 999px; font-weight: 600; letter-spacing: .5px;
}
.tag.grey { background: #f0ede9; color: var(--muted); }
.tag.ok { background: #e8f3ec; color: var(--ok); }

.hint { color: var(--muted); font-size: 13px; }
.hint.tight { margin: 6px 0 0; }
.empty { color: var(--muted); font-size: 14px; padding: 24px 0; text-align: center; }

.linkbox {
  margin-top: 8px; font-size: 12.5px; background: #f6f2ec; border: 1px dashed var(--line);
  border-radius: 8px; padding: 8px 10px; word-break: break-all; color: var(--ink); line-height: 1.5;
}

/* 统计 */
.stats { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
.stat { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 14px; }
.stat .k { font-size: 12.5px; color: var(--muted); }
.stat .v { font-size: 22px; font-weight: 600; margin-top: 2px; }
.stat .v small { font-size: 13px; font-weight: 400; color: var(--muted); }
.stat.accent .v { color: var(--brand); }

/* 列表 */
.list { border: 1px solid var(--line); border-radius: 12px; background: #fff; overflow: hidden; }
.item { padding: 14px 16px; border-bottom: 1px solid var(--line); }
.item:last-child { border-bottom: none; }
.item .top { display: flex; justify-content: space-between; gap: 10px; align-items: baseline; }
.item .who { font-weight: 600; font-size: 15px; }
.item .when { color: var(--muted); font-size: 12px; white-space: nowrap; }
.item .sub { color: var(--muted); font-size: 13px; margin-top: 4px; }
.item .money { font-size: 13px; margin-top: 6px; }
.item .ops { margin-top: 10px; display: flex; gap: 8px; flex-wrap: wrap; }

/* 登录 */
.auth { max-width: 420px; margin: 8vh auto 0; }
.auth .card { padding: 22px; }
.auth h2 { margin-top: 0; }

/* 分段选择 */
.seg { display: flex; gap: 6px; flex-wrap: wrap; margin: 10px 0 14px; }
.seg button {
  background: #fff; color: var(--muted); border: 1px solid var(--line);
  padding: 7px 14px; font-size: 13px; border-radius: 999px;
}
.seg button.on { background: var(--brand-soft); color: var(--brand); border-color: var(--brand); font-weight: 600; }

.toast {
  position: fixed; left: 50%; bottom: 28px; transform: translateX(-50%);
  background: #1f1f1f; color: #fff; padding: 10px 18px; border-radius: 999px;
  font-size: 14px; opacity: 0; pointer-events: none; transition: opacity .25s; z-index: 99;
  max-width: 86vw; text-align: center;
}
.toast.show { opacity: 1; }

.hide { display: none !important; }

@media (min-width: 560px) {
  .stats { grid-template-columns: repeat(3, 1fr); }
}