:root{--bg: #0f1115;--panel: #181b22;--border: #272b35;--text: #e6e8ec;--muted: #9aa1ad;--accent: #6c8cff;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text)}a{color:var(--accent);text-decoration:none}.nav{display:flex;gap:1.25rem;align-items:center;padding:1rem 1.5rem;border-bottom:1px solid var(--border)}.nav .brand{font-weight:700}.nav .spacer{flex:1}.container{max-width:900px;margin:0 auto;padding:2rem 1.5rem}.panel{background:var(--panel);border:1px solid var(--border);border-radius:12px;padding:1.25rem;margin-bottom:1rem}label{display:block;font-size:.85rem;color:var(--muted);margin:.75rem 0 .25rem}input,textarea{width:100%;padding:.6rem .7rem;background:#0f1218;border:1px solid var(--border);border-radius:8px;color:var(--text);font:inherit}button{margin-top:1rem;padding:.6rem 1rem;background:var(--accent);color:#0b0d12;border:none;border-radius:8px;font-weight:600;cursor:pointer}button:disabled{opacity:.5;cursor:default}.score{font-variant-numeric:tabular-nums;color:var(--accent);font-weight:600}.muted{color:var(--muted)}.error{color:#ff7a7a}.tag{display:inline-block;font-size:.75rem;padding:.15rem .5rem;border:1px solid var(--border);border-radius:999px;margin:.15rem .25rem 0 0}