:root{--color-brand-50:#e6f4ff;--color-brand-400:#4096ff;--color-brand-500:#1677ff;--color-brand-600:#0958d9;--color-success:#52c41a;--color-warning:#faad14;--color-danger:#f5222d;--color-info:#1677ff;--color-income-50:#f6ffed;--color-income-500:#52c41a;--color-income-600:#389e0d;--color-expense-50:#fff1f0;--color-expense-500:#f5222d;--color-expense-600:#cf1322;--color-text-primary:#1d2129;--color-text-secondary:#4e5969;--color-text-tertiary:#86909c;--color-text-disabled:#c9cdd4;--color-border-strong:#c9cdd4;--color-border-normal:#e5e6eb;--color-border-light:#f2f3f5;--color-bg-primary:#fff;--color-bg-secondary:#f7f8fa;--color-bg-hover:#f2f3f5;--color-bg-selected:#e8f4ff;--font-sans:-apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;--font-mono:"JetBrains Mono", "Fira Code", Menlo, Consolas, monospace;--font-number:"DIN Alternate", var(--font-sans);--text-display:28px;--text-h1:22px;--text-h2:18px;--text-h3:16px;--text-body-lg:15px;--text-body:14px;--text-body-sm:13px;--text-caption:12px;--text-amount-lg:24px;--text-amount:16px;--text-amount-sm:14px;--spacing-1:4px;--spacing-2:8px;--spacing-3:12px;--spacing-4:16px;--spacing-5:20px;--spacing-6:24px;--spacing-8:32px;--spacing-10:40px;--spacing-12:48px;--radius-sm:4px;--radius-md:6px;--radius-lg:8px;--radius-xl:12px;--radius-full:9999px;--shadow-none:none;--shadow-sm:0 1px 3px #0000000f;--shadow-md:0 4px 12px #00000014;--shadow-lg:0 8px 24px #0000001a;--shadow-focus:0 0 0 3px #1677ff26;--duration-fast:.1s;--duration-normal:.2s;--duration-slow:.3s;--ease-default:cubic-bezier(.4, 0, .2, 1);--ease-enter:cubic-bezier(0, 0, .2, 1);--ease-exit:cubic-bezier(.4, 0, 1, 1);--bp-mobile:0px;--bp-tablet:768px;--bp-laptop:1024px;--bp-desktop:1280px;--bp-wide:1440px}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-sans);font-size:var(--text-body);color:var(--color-text-primary);background:var(--color-bg-secondary);-webkit-font-smoothing:antialiased}.amount-positive{color:var(--color-income-600);font-variant-numeric:tabular-nums;font-weight:600}.amount-negative{color:var(--color-expense-600);font-variant-numeric:tabular-nums;font-weight:600}.amount-zero{color:var(--color-text-tertiary);font-variant-numeric:tabular-nums}.amount-number{font-variant-numeric:tabular-nums}.text-ellipsis{white-space:nowrap;text-overflow:ellipsis;overflow:hidden}.stat-card{border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);border-top:3px solid #0000}.stat-card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}.stat-card--income{border-top-color:var(--color-income-600)}.stat-card--expense{border-top-color:var(--color-expense-600)}.stat-card--balance{border-top-color:var(--color-brand-500)}.stat-card--pending{border-top-color:var(--color-warning)}