:root{color-scheme:light dark;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;line-height:1.5;--color-text: #1a1a1a;--color-background: #ffffff;--color-primary: #0b5fd7;--color-primary-text: #ffffff;--color-error: #b3261e;--color-error-background: #fdecea;--color-border: #6b6b6b;--color-muted-text: #4a4a4a}@media (prefers-color-scheme: dark){:root{--color-text: #f2f2f2;--color-background: #121212;--color-primary: #6ea8ff;--color-primary-text: #121212;--color-error: #ff8a80;--color-error-background: #3a1f1d;--color-border: #9b9b9b;--color-muted-text: #cfcfcf}}*{box-sizing:border-box}body{margin:0;color:var(--color-text);background:var(--color-background)}main{max-width:480px;margin:0 auto;padding:1.5rem 1rem}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid var(--color-primary);outline-offset:2px}label{display:block;margin-block:.75rem;font-weight:600}input,select{display:block;width:100%;margin-top:.25rem;padding:.5rem;font-size:1rem;border:1px solid var(--color-border);border-radius:4px;color:var(--color-text);background:var(--color-background)}button{padding:.6rem 1.2rem;font-size:1rem;font-weight:600;color:var(--color-primary-text);background:var(--color-primary);border:none;border-radius:4px;cursor:pointer}button:disabled{opacity:.6;cursor:not-allowed}.error-state{color:var(--color-error);background:var(--color-error-background);border:1px solid var(--color-error);border-radius:4px;padding:.75rem;margin-block:.75rem}.empty-state{color:var(--color-muted-text)}