:root{font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,Noto Sans JP,"Apple Color Emoji","Segoe UI Emoji";color-scheme:dark;--bg: #0b0d12;--panel: rgba(255,255,255,.06);--panel2: rgba(255,255,255,.08);--text: rgba(255,255,255,.92);--muted: rgba(255,255,255,.68);--border: rgba(255,255,255,.12);--accent: rgba(120, 200, 255, .9)}html,body,#root{height:100%;margin:0;background:var(--bg);color:var(--text)}*{box-sizing:border-box}button{border:1px solid var(--border);background:var(--panel2);color:var(--text);padding:10px 12px;border-radius:12px;cursor:pointer}button:hover{filter:brightness(1.08)}button:disabled{opacity:.5;cursor:not-allowed}input,textarea{width:100%;border:1px solid var(--border);background:#00000059;color:var(--text);padding:12px;border-radius:12px;outline:none}small{color:var(--muted)}.card{border:1px solid var(--border);background:var(--panel);border-radius:16px}.hr{height:1px;background:var(--border);margin:10px 0}.badge{display:inline-flex;align-items:center;gap:8px;padding:6px 10px;border:1px solid var(--border);border-radius:999px;background:#00000040;color:var(--muted)}.kbd{border:1px solid var(--border);background:#00000040;border-radius:8px;padding:2px 6px;font-size:12px;color:var(--muted)}