* { box-sizing: border-box; margin: 0; padding: 0; }
body { background: var(--bg); color: var(--text); font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif; }
.app-header { position: sticky; top: 0; z-index: 10; background: var(--surface); border-bottom: 1px solid var(--border); padding: 12px 16px; }
.app-title { font-size: 18px; font-weight: 700; }
.app-main { max-width: 640px; margin: 0 auto; padding: 16px 16px 84px; }
.app-nav { position: fixed; bottom: 0; left: 0; right: 0; display: flex; justify-content: space-around; background: var(--surface); border-top: 1px solid var(--border); padding: 6px 0 calc(6px + env(safe-area-inset-bottom)); }
.app-nav a { color: var(--text-secondary); text-decoration: none; font-size: 12px; }
.app-nav a.active { color: var(--accent); font-weight: 600; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 14px; margin-bottom: 12px; }
.btn { background: var(--accent); color: #fff; border: 0; border-radius: 10px; padding: 10px 16px; font-size: 15px; cursor: pointer; }
.btn.secondary { background: var(--border); color: var(--text); }
.input, .select, .textarea { width: 100%; padding: 10px 12px; border: 1px solid var(--border); border-radius: 10px; background: var(--surface); color: var(--text); font-size: 15px; }
.page-title { font-size: 20px; margin-bottom: 12px; }
.empty-tip { color: var(--text-secondary); padding: 24px 0; text-align: center; }
.list-item { display: flex; align-items: center; gap: 10px; padding: 10px 0; border-bottom: 1px solid var(--border); }
.chip { display: inline-block; padding: 2px 10px; border-radius: 999px; font-size: 12px; color: #fff; }
.tag-danger { color: var(--danger); } .tag-success { color: var(--success); }

.quick-input-row { display: flex; gap: 8px; }
.quick-input-row .input { flex: 1; }
.quick-hint { margin-top: 8px; font-size: 13px; min-height: 18px; }
.toast-box { position: fixed; top: 12px; left: 50%; transform: translateX(-50%); z-index: 100; display: flex; flex-direction: column; gap: 6px; }
.toast { background: #333; color: #fff; padding: 8px 14px; border-radius: 10px; font-size: 14px; box-shadow: 0 2px 8px rgba(0,0,0,.2); }
.toast-danger { background: var(--danger); }

.ledger-main { flex: 1; min-width: 0; }
.ledger-date { color: var(--text-secondary); font-size: 12px; }

.section-title { font-size: 16px; margin-bottom: 10px; }

.calendar { display: grid; grid-template-columns: repeat(7, 1fr); gap: 4px; margin-top: 10px; }
.cal-cell { text-align: center; padding: 8px 0; border-radius: 8px; cursor: pointer; color: var(--text); }
.cal-selected { background: var(--accent); color: #fff; font-weight: 700; }
.cal-today { outline: 2px solid var(--accent); }

.swatch-row { display: flex; gap: 8px; flex-wrap: wrap; }
.swatch { width: 34px; height: 34px; border-radius: 50%; border: 2px solid transparent; cursor: pointer; }
.swatch-active { border-color: var(--text); }

.fatal-banner { background: #fee2e2; color: #b91c1c; border: 1px solid #fca5a5; border-radius: 10px; padding: 10px 12px; margin-bottom: 12px; font-size: 14px; }