:root{--color-bg: #f5f6f8;--color-surface: #ffffff;--color-text: #1f2937;--color-muted: #6b7280;--color-border: #e5e7eb;--color-primary: #2563eb;--color-primary-dark: #1d4ed8;--color-expense: #ef4444;--color-income: #16a34a;--color-transfer: #6b7280;--color-warning: #f59e0b;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 14px;--shadow-card: 0 1px 2px rgba(0, 0, 0, .04), 0 1px 3px rgba(0, 0, 0, .06);--font-sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", "Helvetica Neue", Arial, sans-serif}*{box-sizing:border-box}html,body{margin:0;padding:0;background:var(--color-bg);color:var(--color-text);font-family:var(--font-sans);font-size:15px;line-height:1.5}#app{min-height:100vh}.app{max-width:720px;margin:0 auto;padding:24px 16px 48px;display:grid;gap:20px}.app__header{display:grid;gap:6px}.app__title{margin:0;font-size:28px;font-weight:700;letter-spacing:.5px}.app__subtitle{margin:0;color:var(--color-muted);font-size:13px}.app__tabs{display:flex;gap:4px;margin-top:8px;padding:4px;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-md);width:fit-content}.app__tab{-webkit-appearance:none;-moz-appearance:none;appearance:none;background:transparent;border:0;padding:8px 16px;border-radius:6px;color:var(--color-muted);font-weight:500;cursor:pointer}.app__tab.is-active{background:var(--color-primary);color:#fff}.app__main{display:grid;gap:16px}.app__footer{margin-top:16px;color:var(--color-muted);font-size:12px;text-align:center}.badges{display:grid;grid-template-columns:1fr 1fr;gap:12px}.badge{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:16px;box-shadow:var(--shadow-card)}.badge__label{color:var(--color-muted);font-size:13px;margin-bottom:6px}.badge__amount{font-size:24px;font-weight:700}.badge--expense .badge__amount{color:var(--color-expense)}.badge--income .badge__amount{color:var(--color-income)}.home-view{display:grid;gap:16px}.home-view__actions{display:flex}.btn{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:0;padding:8px 14px;border-radius:var(--radius-md);font-size:14px;font-weight:500;cursor:pointer;background:var(--color-surface);color:var(--color-text);border:1px solid var(--color-border)}.btn:hover{background:#f9fafb}.btn--primary{background:var(--color-primary);color:#fff;border-color:var(--color-primary)}.btn--primary:hover{background:var(--color-primary-dark)}.btn--ghost{background:transparent}.btn--lg{padding:12px 18px;font-size:16px}.btn--text{background:transparent;border:0;padding:4px 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