:root{--bg: #100f18;--panel: #1b1a28;--accent: #b05f8a;--text: #e8e6f2;--muted: #9a97b0}*{box-sizing:border-box}html,body{margin:0;background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif}#app{max-width:640px;margin:0 auto;padding:16px}header h1{margin:0;letter-spacing:.12em;font-size:28px;color:var(--accent)}header .sub{margin:4px 0 12px;color:var(--muted);font-size:14px}.bar{display:flex;gap:8px;flex-wrap:wrap;align-items:center;margin-bottom:10px}.seg{display:inline-flex;border:1px solid #34324a;border-radius:8px;overflow:hidden}.seg button{background:var(--panel);color:var(--muted);border:0;padding:7px 12px;cursor:pointer;font-size:13px}.seg button.active{background:var(--accent);color:#fff}.btn{background:var(--panel);color:var(--text);border:1px solid #34324a;border-radius:8px;padding:7px 14px;cursor:pointer;font-size:13px}.btn:hover{border-color:var(--accent)}.status{color:var(--muted);font-size:13px;margin-bottom:8px;min-height:18px}.stage{position:relative;display:inline-block;width:100%}canvas#cv{width:100%;max-width:560px;display:block;margin:0 auto;border-radius:10px;background:#171622;touch-action:manipulation}.overlay{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;background:#100f18db;border-radius:10px;text-align:center}.overlay.hidden{display:none}.overlay h2{color:var(--accent);margin:0}.bins{display:flex;flex-wrap:wrap;gap:8px;margin:12px 0;justify-content:center}.bin{position:relative;background:var(--panel);color:var(--text);border:1px solid #34324a;border-radius:8px;padding:12px 16px;font-size:14px;cursor:pointer;min-width:72px}.bin:hover{border-color:var(--accent)}.bin .k{display:inline-block;font-size:10px;color:var(--muted);border:1px solid #34324a;border-radius:4px;padding:0 4px;margin-right:6px}.hint{color:var(--muted);font-size:12px;line-height:1.5}