:root{--bg:#fafaf8;--bg-secondary:#f2f2ef;--surface:#ffffff;--text:#1a1d1c;--text-secondary:#525856;--text-tertiary:#84908c;--border:#e5e7e3;--accent:#0e6b62;--accent-subtle:#e3f0ee;--danger:#b4372e;--danger-subtle:#fbe9e7;--warning-subtle:#fbf0db;--success:#1d7a46;--success-subtle:#e4f3ea}@media (prefers-color-scheme:dark){:root{--bg:#121514;--bg-secondary:#0d0f0e;--surface:#1a1e1d;--text:#eceeec;--text-secondary:#a8b0ac;--text-tertiary:#727c77;--border:#2b302e;--accent:#3fa79a;--accent-subtle:#173430;--danger:#e0776e;--danger-subtle:#2e1917;--warning-subtle:#2c230f;--success:#4fb878;--success-subtle:#15291d}}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;line-height:1.5}main{max-width:960px;margin:0 auto;padding:32px 24px}h1{font-size:28px;letter-spacing:-.3px;margin:0 0 8px}h2{font-size:18px;margin:32px 0 12px}.card{background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:20px;margin-bottom:12px}.muted{color:var(--text-secondary);font-size:14px}.tiny{color:var(--text-tertiary);font-size:12px}button{min-height:40px;border-radius:10px;border:none;padding:0 18px;font-size:14px;font-weight:500;cursor:pointer;background:var(--accent);color:#fff}button.secondary{background:var(--accent-subtle);color:var(--accent)}button.danger{background:var(--danger-subtle);color:var(--danger)}button:disabled{opacity:.55;cursor:default}input,select,textarea{width:100%;min-height:44px;border:1px solid var(--border);border-radius:10px;padding:10px 14px;font-size:14px;background:var(--surface);color:var(--text)}label{display:block;font-size:13px;color:var(--text-secondary);margin:12px 0 4px}.badge,label{font-weight:500}.badge{display:inline-block;border-radius:999px;padding:2px 10px;font-size:12px;background:var(--accent-subtle);color:var(--accent)}.badge.warn{background:var(--warning-subtle);color:var(--text)}.row{display:flex;gap:8px;align-items:center;flex-wrap:wrap}nav.tabs{display:flex;gap:4px;margin:16px 0 24px;border-bottom:1px solid var(--border)}nav.tabs button{background:transparent;color:var(--text-secondary);border-radius:10px 10px 0 0}nav.tabs button[aria-selected=true]{color:var(--accent);box-shadow:inset 0 -2px 0 var(--accent)}