:root{color-scheme:light dark;--bg:#F8F5F0;--bg-elevated:#fff;--fg:#1A1A1A;--fg-muted:#6B6B6B;--accent:#C4654A;--accent-hover:#A5553D;--border:#E5E0D7;--error:#B33A2A;--radius:6px}@media(prefers-color-scheme:dark){:root{--bg:#1A1A1A;--bg-elevated:#242424;--fg:#F8F5F0;--fg-muted:#9A9A9A;--border:#2E2E2E}}*{box-sizing:border-box}html,body{margin:0;padding:0;background:var(--bg);color:var(--fg);font-family:ui-sans-serif,system-ui,sans-serif;font-size:16px;line-height:1.5;min-height:100vh;-webkit-font-smoothing:antialiased}a{color:var(--accent);text-decoration:none}a:hover{color:var(--accent-hover);text-decoration:underline}.container{max-width:720px;margin:0 auto;padding:2rem 1.5rem}.btn{display:inline-block;padding:.625rem 1.25rem;border-radius:var(--radius);border:none;background:var(--accent);color:#fff;font:inherit;font-weight:500;cursor:pointer}.btn:hover{background:var(--accent-hover)}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-secondary{background:transparent;color:var(--fg);border:1px solid var(--border)}.btn-secondary:hover{background:var(--bg-elevated)}.input{display:block;width:100%;padding:.625rem .75rem;border-radius:var(--radius);border:1px solid var(--border);background:var(--bg-elevated);color:var(--fg);font:inherit}.input:focus{outline:2px solid var(--accent);outline-offset:-1px}.field{margin-bottom:1rem}.field label{display:block;font-size:.875rem;font-weight:500;margin-bottom:.375rem;color:var(--fg-muted)}.error{color:var(--error);font-size:.875rem;margin-top:.5rem}h1{font-size:2.5rem;margin:0 0 1rem;font-family:ui-serif,Georgia,serif;font-weight:600;letter-spacing:-.015em}h2{font-size:1.5rem;margin:0 0 .75rem;font-family:ui-serif,Georgia,serif;font-weight:600}p{margin:0 0 1rem}.muted{color:var(--fg-muted)}