:root{--bg: #0c0f18;--panel: #161c2c;--accent: #5a7ad0;--accent2: #d0a05a;--text: #f0f3fb;--muted: #9aa6c2}*{box-sizing:border-box}html,body{margin:0;background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,Segoe UI,sans-serif}#app{display:flex;justify-content:center;padding:16px}.kc-wrap{width:100%;max-width:480px;outline:none}.kc-head h1{margin:0;font-size:28px;letter-spacing:3px;color:var(--accent)}.kc-tag{margin:4px 0 12px;color:var(--muted);font-size:13px}.kc-modes{display:flex;gap:8px;margin-bottom:12px}.kc-btn{background:var(--panel);color:var(--text);border:1px solid #2a3450;border-radius:8px;padding:10px 14px;font-size:14px;cursor:pointer}.kc-btn:hover{border-color:var(--accent)}.kc-steer{flex:1;font-weight:600}.kc-hud{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:8px;gap:8px}.kc-target{font-weight:700;color:var(--accent);font-size:15px}.kc-stats{color:var(--muted);font-size:13px;white-space:nowrap}#kc-wheel{display:block;width:100%;max-width:420px;margin:0 auto;background:radial-gradient(circle at center,#11182a,#0c0f18);border-radius:50%;border:1px solid #2a3450}.kc-sig{text-align:center;margin:10px 0;min-height:20px;color:var(--accent2);font-size:14px}.kc-controls{display:flex;gap:8px;margin-top:4px}.kc-msg{text-align:center;margin-top:12px;min-height:24px;font-weight:600;color:var(--text)}