:root{--bg: #0d0d18;--panel: #16162a;--border: rgba(255, 255, 255, .09);--text: #e7e7f0;--muted: #9aa0b4;--accent: #7c5cff;--ok: #3ddc84;--warn: #f7b955;--err: #ff6b6b;font-family:system-ui,-apple-system,Segoe UI,Roboto,Hiragino Kaku Gothic ProN,Meiryo,sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);line-height:1.6}a{color:var(--accent)}.shell{max-width:860px;margin:0 auto;padding:32px 20px 64px}.brand{font-weight:800;font-size:1.3rem;letter-spacing:-.02em}.tag{display:inline-block;font-size:.7rem;color:var(--muted);border:1px solid var(--border);border-radius:999px;padding:2px 10px;margin-left:8px}nav{display:flex;gap:4px;flex-wrap:wrap;margin:20px 0 28px}nav button{background:transparent;color:var(--muted);border:1px solid var(--border);border-radius:8px;padding:7px 14px;cursor:pointer;font-size:.85rem}nav button[aria-current=true]{color:var(--text);border-color:var(--accent);background:#7c5cff1f}.panel{background:var(--panel);border:1px solid var(--border);border-radius:14px;padding:24px;margin-bottom:18px}.panel h2{margin-top:0;font-size:1.05rem}.note{font-size:.85rem;color:var(--muted)}.pill{display:inline-block;font-size:.7rem;border-radius:6px;padding:2px 8px;border:1px solid var(--border)}.pill.ok{color:var(--ok);border-color:#3ddc8466}.pill.warn{color:var(--warn);border-color:#f7b95566}.pill.err{color:var(--err);border-color:#ff6b6b66}pre{background:#0a0a13;border:1px solid var(--border);border-radius:10px;padding:14px;overflow-x:auto;font-size:.8rem}input,button.action{font:inherit}input{width:100%;padding:9px 12px;border-radius:8px;border:1px solid var(--border);background:#0a0a13;color:var(--text);margin-bottom:10px}button.action{padding:9px 18px;border-radius:8px;border:none;background:var(--accent);color:#fff;cursor:pointer}button.action:disabled{opacity:.45;cursor:not-allowed}footer{margin-top:40px;font-size:.75rem;color:var(--muted)}