:root {
  --ink: #17201d;
  --muted: #687570;
  --paper: #f5f2e9;
  --panel: #fffdf7;
  --green: #123f35;
  --green-2: #1e6654;
  --line: #dcd8cc;
  --income: #17735d;
  --expense: #bd4b3e;
  font-family: Inter, "Microsoft YaHei", system-ui, sans-serif;
  color: var(--ink);
  background: var(--paper);
}

* { box-sizing: border-box; }
body { margin: 0; min-height: 100vh; background: radial-gradient(circle at 90% 0%, #dce8dc 0, transparent 25rem), var(--paper); }
button, input, select, textarea { font: inherit; }
button { cursor: pointer; }
.hidden { display: none !important; }
.eyebrow { margin: 0 0 5px; color: var(--green-2); font-size: 11px; font-weight: 800; letter-spacing: .16em; }
.muted { color: var(--muted); }

.login-shell { min-height: 100vh; display: grid; place-items: center; padding: 24px; }
.login-card { width: min(420px, 100%); padding: 44px; border: 1px solid var(--line); border-radius: 22px; background: rgba(255,253,247,.92); box-shadow: 0 24px 80px rgba(30,50,42,.14); }
.brand-mark { display: grid; place-items: center; width: 48px; height: 48px; margin-bottom: 26px; border-radius: 14px; color: white; background: var(--green); font: 700 24px Georgia, serif; }
.login-card h1 { margin: 0; font: 700 34px Georgia, "Microsoft YaHei", serif; }
.login-card form { display: grid; gap: 18px; margin-top: 30px; }

.topbar { display: flex; align-items: center; justify-content: space-between; padding: 22px max(24px, calc((100vw - 1200px) / 2)); color: white; background: var(--green); }
.topbar .eyebrow { color: #9bd1bf; }
.topbar h1 { margin: 0; font: 700 24px Georgia, "Microsoft YaHei", serif; }
.content { width: min(1200px, calc(100% - 40px)); margin: 28px auto 60px; }
.summary-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 16px; }
.summary-card { padding: 24px; border: 1px solid var(--line); border-radius: 16px; background: var(--panel); }
.summary-card.balance { color: white; border-color: var(--green); background: var(--green); }
.summary-card span, .summary-card small { display: block; color: var(--muted); }
.summary-card.balance span, .summary-card.balance small { color: #bdd5cc; }
.summary-card strong { display: block; margin: 12px 0 8px; font: 700 30px Georgia, serif; }
.summary-card small { font-size: 12px; }
.income-text { color: var(--income) !important; }
.expense-text { color: var(--expense) !important; }

.workspace-grid { display: grid; grid-template-columns: 380px 1fr; gap: 18px; margin-top: 18px; }
.panel { border: 1px solid var(--line); border-radius: 16px; background: var(--panel); overflow: hidden; }
.panel-heading { display: flex; align-items: center; justify-content: space-between; padding: 22px 24px; border-bottom: 1px solid var(--line); }
.panel-heading h2 { margin: 0; font: 700 21px Georgia, "Microsoft YaHei", serif; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; padding: 24px; }
.full, .type-switch { grid-column: 1 / -1; }
label { display: grid; gap: 7px; color: #46514d; font-size: 13px; font-weight: 700; }
input, select, textarea { width: 100%; border: 1px solid #cbc8be; border-radius: 9px; padding: 11px 12px; color: var(--ink); background: #fff; outline: none; }
input:focus, select:focus, textarea:focus { border-color: var(--green-2); box-shadow: 0 0 0 3px rgba(30,102,84,.12); }
textarea { resize: vertical; }
.type-switch { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; padding: 5px; border-radius: 10px; background: #e9e7de; }
.type-switch input { position: absolute; opacity: 0; }
.type-switch span { display: block; padding: 9px; border-radius: 7px; text-align: center; }
.type-switch input:checked + span { color: white; background: var(--green); }
.primary, .secondary, .ghost { border: 0; border-radius: 9px; padding: 12px 16px; font-weight: 800; }
.primary { color: white; background: var(--green); }
.primary:hover { background: var(--green-2); }
.secondary { color: var(--green); background: #dce9e4; }
.ghost { color: white; border: 1px solid rgba(255,255,255,.3); background: transparent; }
.pill { padding: 5px 9px; border-radius: 99px; color: var(--muted); background: #eeece4; font-size: 12px; }

.records { max-height: 570px; overflow: auto; }
.record { display: grid; grid-template-columns: 46px 1fr auto 30px; gap: 13px; align-items: center; padding: 16px 22px; border-bottom: 1px solid #e7e3d9; }
.record:last-child { border-bottom: 0; }
.record-icon { display: grid; place-items: center; width: 42px; height: 42px; border-radius: 12px; font-weight: 900; }
.record-icon.income { color: var(--income); background: #dceee8; }
.record-icon.expense { color: var(--expense); background: #f5e0dc; }
.record-main strong, .record-main small { display: block; }
.record-main small { margin-top: 4px; color: var(--muted); }
.record-amount { font-weight: 850; text-align: right; }
.record-amount.income { color: var(--income); }
.record-amount.expense { color: var(--expense); }
.delete-btn { border: 0; color: #999; background: transparent; font-size: 20px; }
.empty { padding: 64px 24px; color: var(--muted); text-align: center; }

.settings-panel { margin-top: 18px; }
.settings-grid { display: grid; grid-template-columns: 1fr 1.5fr; gap: 28px; padding: 24px; }
.inline-form { display: flex; align-items: end; gap: 10px; }
.inline-form label { flex: 1; }
.toast { position: fixed; z-index: 10; top: 20px; left: 50%; transform: translate(-50%, -20px); padding: 11px 18px; border-radius: 9px; color: white; background: var(--green); box-shadow: 0 10px 30px rgba(0,0,0,.2); opacity: 0; pointer-events: none; transition: .2s; }
.toast.show { transform: translate(-50%, 0); opacity: 1; }
.toast.error { background: var(--expense); }

@media (max-width: 850px) {
  .summary-grid, .workspace-grid, .settings-grid { grid-template-columns: 1fr; }
  .workspace-grid { display: flex; flex-direction: column; }
  .records-panel { order: -1; }
}

@media (max-width: 520px) {
  .content { width: min(100% - 24px, 1200px); margin-top: 12px; }
  .topbar { padding: 18px; }
  .summary-grid { gap: 10px; }
  .summary-card { padding: 18px; }
  .form-grid { grid-template-columns: 1fr; padding: 18px; }
  .form-grid > * { grid-column: 1; }
  .record { grid-template-columns: 40px 1fr auto; padding: 14px; }
  .delete-btn { grid-column: 3; }
  .inline-form { align-items: stretch; flex-direction: column; }
  .login-card { padding: 30px 24px; }
}