/* Default theme. Additional themes override semantic properties in their own scope. */
:root,[data-theme="glass"]{
 color-scheme:light;
 --app-bg:radial-gradient(ellipse at 4% 8%,#c5e6f4 0,transparent 48%),radial-gradient(ellipse at 95% 24%,#e5daf8 0,transparent 48%),radial-gradient(ellipse at 60% 96%,#f6dfe8 0,transparent 52%),#edf3fa;
 --surface-glass:rgba(255,255,255,.80);--surface-glass-strong:rgba(255,255,255,.94);--surface-elevated:#fff;
 --surface-subtle:#eaf0f8;--surface-selected:#d9f1f0;--border-glass:rgba(255,255,255,.90);--border-control:#78899f;
 --text-primary:#172b47;--text-secondary:#425675;--text-muted:#52647e;
 --accent-primary:#086873;--accent-highlight:linear-gradient(135deg,#086873,#245aba);--accent-secondary:#245aba;--accent-on:#fff;--accent-soft:#dcedf4;
 --success:#146347;--success-soft:#def5ea;--warning:#76500b;--warning-soft:#fff0cc;
 --danger:#a33246;--danger-soft:#fce6eb;--receivable:var(--success);--payable:var(--danger);
 --focus-state:#174cab;--focus-ring:3px solid var(--focus-state);--overlay:rgba(24,42,72,.34);
 --shadow-soft:0 8px 28px rgba(48,68,112,.09),0 2px 6px rgba(48,68,112,.04);
 --shadow-elevated:0 20px 70px rgba(32,50,86,.20);--blur-surface:12px;
 --radius-card:24px;--radius-control:12px;--radius-pill:999px;
 --space-1:4px;--space-2:8px;--space-3:12px;--space-4:16px;--space-5:24px;--space-6:32px;--space-7:48px;
 --font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
 --font-display:clamp(2rem,4vw,2.5rem);--font-title:clamp(1.65rem,3vw,2rem);--font-section:1.375rem;--font-card:1.125rem;
 --font-body:1rem;--font-secondary:.875rem;--font-caption:.75rem;--font-money:clamp(1.75rem,3vw,2.25rem);--font-control:1rem;
 --weight-normal:400;--weight-medium:600;--weight-strong:700;--line-body:1.55;--line-heading:1.2;
 --shell-max:1240px;--nav-width:176px;--nav-height:76px;--control-size:44px;
 --category-food:#a24a0e;--category-food-bg:#ffedda;--category-transport:#245aba;--category-transport-bg:#e4eeff;
 --category-stay:#a32e66;--category-stay-bg:#ffe5f1;--category-shopping:#8149a9;--category-shopping-bg:#f1e6ff;
 --category-activities:#6750ac;--category-activities-bg:#ece7fc;--category-entertainment:#76500b;--category-entertainment-bg:#fff0cc;
 --category-other:#086873;--category-other-bg:#def5f4;
 /* Compatibility aliases for existing screens, removed as their later phases adopt primitives. */
 --canvas:var(--surface-subtle);--surface:var(--surface-glass-strong);--ink:var(--text-primary);--muted:var(--text-secondary);--brand:var(--accent-primary);--nav:var(--accent-primary);--border:var(--border-glass);--focus:var(--focus-state);
}