/* 债务台账 · 样式 */
:root {
  --bg: #f3f5f9;
  --card: #ffffff;
  --card-soft: #f8fafc;
  --line: #e5e9f0;
  --line-soft: #eef1f6;
  --text: #111827;
  --text-2: #475569;
  --muted: #8792a4;
  --brand: #2f6bff;
  --brand-ink: #1d4ed8;
  --brand-soft: #eaf1ff;
  --danger: #dc2626;
  --danger-soft: #fef2f2;
  --warn: #c2751a;
  --warn-soft: #fff8ec;
  --ok: #17915a;
  --ok-soft: #eafaf1;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 1px 2px rgba(15, 23, 42, .04), 0 10px 30px -18px rgba(15, 23, 42, .28);
  --mono: ui-monospace, "SF Mono", "JetBrains Mono", "Cascadia Mono", Consolas, monospace;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0c1119;
    --card: #141b26;
    --card-soft: #1a222e;
    --line: #253041;
    --line-soft: #1f2836;
    --text: #e9eef7;
    --text-2: #b4c0d2;
    --muted: #7c8a9e;
    --brand: #6b95ff;
    --brand-ink: #93b2ff;
    --brand-soft: #1a2740;
    --danger: #f87171;
    --danger-soft: #2a1a1c;
    --warn: #e3a458;
    --warn-soft: #2a2216;
    --ok: #4ade80;
    --ok-soft: #14251c;
    --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 12px 32px -20px rgba(0, 0, 0, .7);
  }
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  font-size: 14px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3, p { margin: 0; }
button, input, select { font: inherit; color: inherit; }
.num, .hero-value, td.num, .stat-value { font-variant-numeric: tabular-nums; font-feature-settings: "tnum"; }

/* ---------- 启动遮罩 ---------- */
.boot { position: fixed; inset: 0; display: grid; place-items: center; background: var(--bg); z-index: 60; }
.boot-spin { width: 30px; height: 30px; border: 3px solid var(--line); border-top-color: var(--brand); border-radius: 50%; animation: spin .7s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- 登录 ---------- */
.gate { position: fixed; inset: 0; display: grid; place-items: center; padding: 24px; background: var(--bg); z-index: 50; }
.gate-card {
  width: 100%; max-width: 340px; background: var(--card); border: 1px solid var(--line);
  border-radius: 20px; padding: 32px 26px 26px; box-shadow: var(--shadow); text-align: center;
}
.gate-logo {
  width: 52px; height: 52px; margin: 0 auto 16px; border-radius: 16px; display: grid; place-items: center;
  background: var(--brand); color: #fff; font-size: 26px; font-weight: 700;
}
.gate-title { font-size: 20px; font-weight: 700; }
.gate-sub { color: var(--muted); margin: 6px 0 20px; font-size: 13px; }
.gate-error { color: var(--danger); font-size: 13px; margin-top: 12px; }
.gate-card .input { text-align: center; letter-spacing: .18em; }
.gate-card .btn { margin-top: 14px; }

/* ---------- 顶栏 ---------- */
.topbar { position: sticky; top: 0; z-index: 20; background: color-mix(in srgb, var(--bg) 88%, transparent); backdrop-filter: blur(12px); border-bottom: 1px solid var(--line); }
.topbar-inner { max-width: 1060px; margin: 0 auto; padding: 12px 20px; display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.brand { display: flex; align-items: center; gap: 12px; margin-right: auto; }
.brand-mark { width: 38px; height: 38px; border-radius: 12px; background: var(--brand); color: #fff; display: grid; place-items: center; font-size: 19px; font-weight: 700; }
.brand-text h1 { font-size: 16px; font-weight: 700; line-height: 1.3; }
.brand-sub { font-size: 12px; color: var(--muted); }
.topbar-actions { display: flex; gap: 8px; flex-wrap: wrap; }

/* ---------- 按钮 ---------- */
.btn {
  border: 1px solid var(--line); background: var(--card); color: var(--text);
  padding: 7px 14px; border-radius: 10px; cursor: pointer; font-size: 13px;
  transition: background .16s ease, border-color .16s ease, transform .1s ease, color .16s ease;
  white-space: nowrap;
}
.btn:hover { background: var(--card-soft); border-color: var(--muted); }
.btn:active { transform: scale(.97); }
.btn.primary { background: var(--brand); border-color: var(--brand); color: #fff; font-weight: 600; }
.btn.primary:hover { background: var(--brand-ink); border-color: var(--brand-ink); }
.btn.ghost { background: transparent; }
.btn.ghost:hover { background: var(--card); }
.btn.sm { padding: 5px 11px; font-size: 12.5px; }
.btn.block { width: 100%; }
.btn.danger { color: var(--danger); }
.btn.danger:hover { background: var(--danger-soft); border-color: var(--danger); }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.icon-btn { border: none; background: transparent; cursor: pointer; color: var(--muted); padding: 4px 6px; border-radius: 8px; font-size: 13px; }
.icon-btn:hover { background: var(--card-soft); color: var(--text); }

/* ---------- 布局 ---------- */
.wrap { max-width: 1060px; margin: 0 auto; padding: 22px 20px 90px; display: flex; flex-direction: column; gap: 18px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; box-shadow: var(--shadow); }
.card-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; margin-bottom: 14px; flex-wrap: wrap; }
.card-head h2 { font-size: 15px; font-weight: 700; }
.card-sub { font-size: 12.5px; color: var(--muted); margin-top: 2px; }
.card-actions { display: flex; gap: 8px; flex-wrap: wrap; }

/* ---------- 概览 ---------- */
.hero {
  display: grid; grid-template-columns: 1fr auto; gap: 20px; align-items: center;
  background: linear-gradient(135deg, var(--brand) 0%, #1e40af 100%);
  border-radius: var(--radius); padding: 26px 26px; color: #fff;
  box-shadow: 0 18px 40px -24px rgba(47, 107, 255, .8);
}
@media (prefers-color-scheme: dark) { .hero { background: linear-gradient(135deg, #1e3a8a 0%, #12213f 100%); } }
.hero-label { font-size: 13px; opacity: .82; }
.hero-label .asof { opacity: .75; font-variant-numeric: tabular-nums; }
.hero-value { font-size: clamp(30px, 6vw, 46px); font-weight: 700; letter-spacing: -.5px; line-height: 1.15; margin: 6px 0 10px; }
.hero-chips { display: flex; gap: 8px; flex-wrap: wrap; }
.chip { font-size: 12px; padding: 3px 10px; border-radius: 999px; background: rgba(255, 255, 255, .16); border: 1px solid rgba(255, 255, 255, .22); }
.hero-side { text-align: right; min-width: 130px; }
.hero-next-label { font-size: 12px; opacity: .8; }
.hero-next-value { font-size: 20px; font-weight: 700; font-variant-numeric: tabular-nums; }
.hero-next-hint { font-size: 12px; opacity: .78; margin-top: 2px; }
@media (max-width: 620px) {
  .hero { grid-template-columns: 1fr; }
  .hero-side { text-align: left; }
}

/* ---------- 概览里的计算器入口 ---------- */
.hero-top { display: flex; align-items: center; justify-content: space-between; gap: 14px; flex-wrap: wrap; }
.hero-btn {
  background: rgba(255, 255, 255, .16); border: 1px solid rgba(255, 255, 255, .34);
  color: #fff; font-weight: 600; padding: 6px 15px; border-radius: 999px;
}
.hero-btn:hover { background: rgba(255, 255, 255, .26); border-color: rgba(255, 255, 255, .55); }

/* ---------- 总余额计算器 ---------- */
.modal.wide { max-width: 520px; }
.calc-head { background: var(--card-soft); border: 1px solid var(--line); border-radius: 14px; padding: 14px 16px; margin-bottom: 14px; }
.calc-label { font-size: 12.5px; color: var(--muted); }
.calc-value { font-size: 30px; font-weight: 700; font-variant-numeric: tabular-nums; letter-spacing: -.4px; line-height: 1.25; }
.calc-value.neg { color: var(--danger); }
.calc-formula { font-size: 12.5px; color: var(--muted); margin-top: 4px; font-variant-numeric: tabular-nums; }
.calc-rows { display: flex; flex-direction: column; gap: 8px; max-height: 40vh; overflow-y: auto; margin: 0 -4px; padding: 4px; }
.calc-row { display: flex; align-items: center; gap: 8px; }
.sign-btn {
  flex: none; width: 42px; height: 38px; border-radius: 10px; border: 1px solid var(--line);
  background: var(--card); cursor: pointer; font-size: 18px; font-weight: 700; line-height: 1;
  transition: background .16s ease, color .16s ease, border-color .16s ease;
}
.sign-btn.plus { color: var(--ok); background: var(--ok-soft); border-color: color-mix(in srgb, var(--ok) 35%, transparent); }
.sign-btn.minus { color: var(--danger); background: var(--danger-soft); border-color: color-mix(in srgb, var(--danger) 35%, transparent); }
.calc-row .input { flex: 1; text-align: right; font-variant-numeric: tabular-nums; }
.calc-row .del { flex: none; font-size: 14px; }
.calc-empty { padding: 20px; text-align: center; color: var(--muted); font-size: 13px; border: 1px dashed var(--line); border-radius: 12px; }
.calc-actions { display: flex; gap: 8px; align-items: center; margin-top: 12px; flex-wrap: wrap; }
.calc-count { margin-left: auto; font-size: 12.5px; color: var(--muted); font-variant-numeric: tabular-nums; }

/* ---------- 统计卡 ---------- */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
@media (max-width: 860px) { .stats { grid-template-columns: repeat(2, 1fr); } }
.stat { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 14px 16px; box-shadow: var(--shadow); }
.stat-label { font-size: 12.5px; color: var(--muted); display: flex; align-items: center; gap: 6px; }
.stat-value { font-size: 20px; font-weight: 700; margin-top: 4px; }
.stat-hint { font-size: 11.5px; color: var(--muted); margin-top: 2px; }
.stat-value.tone-danger { color: var(--danger); }
.stat-value.tone-warn { color: var(--warn); }
.stat-value.tone-ok { color: var(--ok); }

/* ---------- 图表 ---------- */
.chart { width: 100%; }
.chart svg { width: 100%; height: auto; display: block; overflow: visible; }
.chart-legend { display: flex; gap: 16px; font-size: 12px; color: var(--muted); margin-top: 8px; flex-wrap: wrap; }
.chart-legend i { display: inline-block; width: 16px; height: 2px; vertical-align: middle; margin-right: 6px; border-radius: 2px; }

/* ---------- 表格 ---------- */
.table-wrap { overflow-x: auto; margin: 0 -20px; padding: 0 20px; }
table.ledger { width: 100%; border-collapse: collapse; font-size: 13.5px; }
table.ledger th {
  text-align: left; font-weight: 600; font-size: 12.5px; color: var(--muted);
  padding: 8px 10px; border-bottom: 1px solid var(--line); white-space: nowrap; position: sticky; top: 0; background: var(--card);
}
table.ledger td { padding: 9px 10px; border-bottom: 1px solid var(--line-soft); vertical-align: middle; }
table.ledger tr:last-child td { border-bottom: none; }
table.ledger tbody tr:hover { background: var(--card-soft); }
th.num, td.num { text-align: right; font-variant-numeric: tabular-nums; }
td.num.strong { font-weight: 600; }
td.date { font-variant-numeric: tabular-nums; white-space: nowrap; color: var(--text-2); }
.col-src { width: 90px; }
.col-act { width: 74px; }
td.act { text-align: right; white-space: nowrap; }
tr.row-auto td.date { color: var(--muted); }
tr.row-future td { opacity: .68; }
tr.row-future td.strong { font-weight: 500; }
tr.row-event { background: var(--brand-soft); }
tr.row-event:hover { background: var(--brand-soft); }
tr.row-event td.date { color: var(--brand-ink); font-weight: 600; }
.table-foot { font-size: 12.5px; color: var(--muted); margin-top: 12px; }
tbody tr td[colspan] { padding: 0; }

/* ---------- 标签 ---------- */
.tag { display: inline-block; font-size: 11.5px; padding: 2px 8px; border-radius: 999px; border: 1px solid var(--line); color: var(--muted); white-space: nowrap; }
.tag.rec { color: var(--text-2); }
.tag.auto { color: var(--brand-ink); background: var(--brand-soft); border-color: transparent; }
.tag.future { color: var(--warn); background: var(--warn-soft); border-color: transparent; }
.tag.repay { color: var(--ok); background: var(--ok-soft); border-color: transparent; }
.tag.borrow { color: var(--brand-ink); background: var(--brand-soft); border-color: transparent; }

/* ---------- 核对 ---------- */
.check { display: flex; gap: 10px; padding: 10px 12px; border-radius: var(--radius-sm); font-size: 13px; margin-bottom: 8px; border: 1px solid transparent; }
.check:last-child { margin-bottom: 0; }
.check.error { background: var(--danger-soft); color: var(--danger); border-color: color-mix(in srgb, var(--danger) 25%, transparent); }
.check.warn { background: var(--warn-soft); color: var(--warn); border-color: color-mix(in srgb, var(--warn) 25%, transparent); }
.check.ok { background: var(--ok-soft); color: var(--ok); }
.check-dot { flex: none; font-weight: 700; }
.check-body { color: var(--text-2); }
.check-body b { color: inherit; }

/* ---------- 表单 ---------- */
.settings-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
@media (max-width: 780px) { .settings-grid { grid-template-columns: repeat(2, 1fr); } .field-wide { grid-column: span 2; } }
.field { display: flex; flex-direction: column; gap: 6px; font-size: 12.5px; color: var(--muted); }
.input {
  width: 100%; padding: 8px 11px; border: 1px solid var(--line); border-radius: 10px;
  background: var(--card); color: var(--text); outline: none; transition: border-color .16s ease, box-shadow .16s ease;
}
.input:focus { border-color: var(--brand); box-shadow: 0 0 0 3px color-mix(in srgb, var(--brand) 18%, transparent); }
textarea.input { resize: vertical; min-height: 62px; font-family: inherit; }
.hint { font-size: 12px; color: var(--muted); margin-top: 12px; }

/* ---------- 弹窗 ---------- */
.modal-backdrop { position: fixed; inset: 0; background: rgba(9, 14, 24, .45); backdrop-filter: blur(3px); display: grid; place-items: center; padding: 20px; z-index: 40; animation: fade .14s ease; }
.modal { width: 100%; max-width: 420px; background: var(--card); border: 1px solid var(--line); border-radius: 18px; box-shadow: var(--shadow); padding: 22px; animation: pop .16s ease; max-height: 88vh; overflow-y: auto; }
.modal h3 { font-size: 16px; font-weight: 700; margin-bottom: 4px; }
.modal-sub { font-size: 12.5px; color: var(--muted); margin-bottom: 16px; }
.modal .field { margin-bottom: 12px; }
.modal-actions { display: flex; gap: 8px; justify-content: flex-end; margin-top: 18px; }
.seg { display: flex; gap: 6px; background: var(--card-soft); padding: 4px; border-radius: 12px; border: 1px solid var(--line); }
.seg button { flex: 1; border: none; background: transparent; padding: 7px 10px; border-radius: 9px; cursor: pointer; font-size: 13px; color: var(--text-2); transition: background .16s ease, color .16s ease; }
.seg button.on { background: var(--card); color: var(--text); font-weight: 600; box-shadow: 0 1px 3px rgba(15, 23, 42, .12); }
@keyframes fade { from { opacity: 0; } }
@keyframes pop { from { opacity: 0; transform: translateY(8px) scale(.98); } }

/* ---------- 提示条 ---------- */
.toast {
  position: fixed; left: 50%; bottom: 28px; transform: translateX(-50%);
  background: #111827; color: #fff; padding: 10px 18px; border-radius: 999px; font-size: 13px;
  box-shadow: 0 12px 30px -12px rgba(0, 0, 0, .6); z-index: 70; animation: pop .18s ease; max-width: 90vw;
}
@media (prefers-color-scheme: dark) { .toast { background: #e9eef7; color: #111827; } }
@media (prefers-reduced-motion: reduce) { * { animation: none !important; transition: none !important; } }