:root{--color-bg:#0a0a0f;--color-surface:#12121a;--color-surface-hover:#1a1a25;--color-border:#2a2a3a;--color-text:#e8e8ed;--color-text-secondary:#8888a0;--color-primary:#00d4aa;--color-primary-hover:#00e8bb;--color-income:#00d4aa;--color-expense:#ff6b6b;--color-warning:#ffc107;--radius:12px;--radius-sm:8px;--font-sans:"Inter",-apple-system,BlinkMacSystemFont,sans-serif;--shadow-sm:0 1px 3px rgba(0,0,0,0.3);--shadow-md:0 4px 12px rgba(0,0,0,0.4)}[data-theme=light]{--color-bg:#f5f5f8;--color-surface:#ffffff;--color-surface-hover:#f0f0f5;--color-border:#e0e0e8;--color-text:#1a1a2e;--color-text-secondary:#6b6b80;--color-primary:#00b894;--color-primary-hover:#00a87d;--color-income:#00b894;--color-expense:#e74c3c;--color-warning:#f39c12;--shadow-sm:0 1px 3px rgba(0,0,0,0.08);--shadow-md:0 4px 12px rgba(0,0,0,0.1)}*{margin:0;padding:0;box-sizing:border-box}body,html{height:100%;font-family:var(--font-sans);background:var(--color-bg);color:var(--color-text);-webkit-font-smoothing:antialiased;transition:background-color .3s ease,color .3s ease}a{color:var(--color-primary);text-decoration:none}button{cursor:pointer;border:none;font-family:inherit}input,select,textarea{font-family:inherit;color:var(--color-text);background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-sm);padding:.75rem 1rem;font-size:.875rem;outline:none;transition:border-color .2s,background-color .3s,color .3s}input:focus,select:focus,textarea:focus{border-color:var(--color-primary)}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--color-border);border-radius:3px}