:root {
  --paper: #f3efe4;
  --paper-deep: #ebe4d4;
  --ink: #1c2a3a;
  --muted: #5a6674;
  --crimson: #8b1e2d;
  --navy: #3a5a7a;
  --navy-soft: #d9e3ef;
  --line: #b8a98a;
  --ok: #1a5c3a;
  --interest: #fff8e8;
  --shadow: 0 10px 30px rgba(28, 42, 58, 0.12);
  --radius: 14px;
  --font-display: "Shippori Mincho", "Hiragino Mincho ProN", Georgia, serif;
  --font-ui: "Noto Sans TC", "Hiragino Sans", sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  min-height: 100%;
  background:
    radial-gradient(ellipse at 20% 0%, #fff9ef 0%, transparent 50%),
    radial-gradient(ellipse at 100% 100%, #e5dcc8 0%, transparent 45%),
    linear-gradient(180deg, var(--paper) 0%, var(--paper-deep) 100%);
  color: var(--ink);
  font-family: var(--font-ui);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.04;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.8' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)' opacity='.55'/%3E%3C/svg%3E");
}

#app {
  max-width: 480px;
  margin: 0 auto;
  padding: 16px 14px 40px;
  position: relative;
}

.screen { animation: rise .35s ease both; }

@keyframes rise {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: none; }
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 14px;
}

.brand-mark {
  font-family: var(--font-display);
  letter-spacing: 0.14em;
  font-size: 12px;
  color: var(--crimson);
}

h1 {
  font-family: var(--font-display);
  font-size: 1.55rem;
  margin: 0;
  font-weight: 700;
}

.subtitle {
  color: var(--muted);
  font-size: 0.9rem;
  margin: 4px 0 0;
}

.passbook {
  background: linear-gradient(180deg, #f7f2e6 0%, #efe7d6 100%);
  border: 1px solid #d2c6ae;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 16px 12px 14px;
  overflow: hidden;
}

.passbook-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 10px;
  border-bottom: 2px solid var(--crimson);
  padding-bottom: 10px;
  margin-bottom: 12px;
}

.passbook-head .title {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  margin: 2px 0 0;
}

.seal {
  width: 52px;
  height: 52px;
  border: 2px solid var(--crimson);
  color: var(--crimson);
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-family: var(--font-display);
  font-size: 11px;
  line-height: 1.15;
  text-align: center;
  transform: rotate(-8deg);
  flex-shrink: 0;
  animation: stamp .6s cubic-bezier(.2,1.4,.4,1) both;
}

@keyframes stamp {
  from { transform: rotate(-8deg) scale(1.4); opacity: 0; }
  to { transform: rotate(-8deg) scale(1); opacity: 1; }
}

.meta {
  font-size: 0.86rem;
  line-height: 1.55;
  margin-bottom: 12px;
}

.meta b { font-weight: 700; }

.ledger-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border-radius: 8px;
}

table.ledger {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.72rem;
  min-width: 360px;
  font-family: var(--font-display);
}

table.ledger th {
  background: var(--navy-soft);
  color: var(--ink);
  border-top: 1px solid var(--navy);
  border-bottom: 1px solid var(--navy);
  padding: 7px 4px;
  font-weight: 600;
  white-space: nowrap;
}

table.ledger td {
  padding: 8px 4px;
  border-bottom: 1px dotted var(--line);
  vertical-align: middle;
}

table.ledger tr.interest {
  background: var(--interest);
}

table.ledger tr.row-btn {
  cursor: pointer;
}

table.ledger tr.row-btn:active {
  background: rgba(58, 90, 122, 0.08);
}

.num { text-align: right; font-variant-numeric: tabular-nums; }
.withdraw { color: var(--crimson); }
.deposit { color: var(--ok); }

.card-list {
  display: grid;
  gap: 12px;
}

.account-card {
  background: linear-gradient(180deg, #f7f2e6 0%, #efe7d6 100%);
  border: 1px solid #d2c6ae;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 14px;
  cursor: pointer;
  transition: transform .15s ease, box-shadow .15s ease;
}

.account-card:active { transform: scale(0.985); }

.account-card .name {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
}

.account-card .bal {
  margin-top: 8px;
  font-size: 1.35rem;
  font-variant-numeric: tabular-nums;
}

.account-card .foot {
  margin-top: 8px;
  font-size: 0.8rem;
  color: var(--muted);
}

.actions {
  display: flex;
  gap: 8px;
  margin-top: 14px;
  flex-wrap: wrap;
}

button, .btn {
  font-family: var(--font-ui);
  border: 0;
  border-radius: 10px;
  padding: 12px 14px;
  font-size: 0.95rem;
  cursor: pointer;
  flex: 1;
  min-width: 120px;
}

button.primary, .btn.primary {
  background: var(--ink);
  color: var(--paper);
}

button.ghost, .btn.ghost {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--ink);
}

button.danger {
  background: var(--crimson);
  color: #fff;
}

button.linkish {
  background: none;
  border: 0;
  color: var(--navy);
  padding: 8px 0;
  flex: 0;
  min-width: 0;
  font-size: 0.9rem;
}

.panel {
  background: rgba(255, 252, 245, 0.92);
  border: 1px solid #d2c6ae;
  border-radius: var(--radius);
  padding: 16px;
  box-shadow: var(--shadow);
}

.form-row {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 12px;
}

label {
  font-size: 0.85rem;
  color: var(--muted);
}

input, select, textarea {
  font: inherit;
  border: 1px solid #c9bba0;
  border-radius: 10px;
  padding: 11px 12px;
  background: #fffdf8;
  color: var(--ink);
}

.seg {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.seg button {
  background: #fff;
  border: 1px solid #c9bba0;
  color: var(--ink);
}

.seg button.active {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}

.empty {
  text-align: center;
  padding: 28px 12px;
  color: var(--muted);
  font-family: var(--font-display);
}

.toast {
  position: fixed;
  left: 50%;
  bottom: 24px;
  transform: translateX(-50%);
  background: var(--ink);
  color: var(--paper);
  padding: 10px 16px;
  border-radius: 999px;
  font-size: 0.9rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity .2s ease;
  z-index: 20;
}

.toast.show { opacity: 1; }

.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(28, 42, 58, 0.35);
  display: grid;
  place-items: end center;
  z-index: 10;
  padding: 12px;
}

.modal {
  width: min(480px, 100%);
  background: var(--paper);
  border-radius: 16px 16px 12px 12px;
  padding: 16px;
  animation: rise .25s ease both;
  max-height: 85vh;
  overflow: auto;
}