:root{--bg: #0f1018;--panel: #1d2030;--line: #34384f;--ink: #eef0fa;--dim: #9aa0c0;--accent: #5a7ad0;--ok: #62d98a;--bad: #e0654a}*{box-sizing:border-box}html,body{margin:0;height:100%}body{background:radial-gradient(900px 560px at 50% -8%,#1a1d30,var(--bg));color:var(--ink);font-family:system-ui,-apple-system,Segoe UI,sans-serif;display:flex;justify-content:center;-webkit-user-select:none;user-select:none}#app{width:100%;max-width:620px;padding:12px 12px 26px}header{text-align:center;margin-bottom:6px}h1{margin:0;font-size:26px;letter-spacing:4px;font-weight:800;color:var(--accent)}.sub{margin:2px 0 0;color:var(--dim);font-size:13px}.bar{display:flex;gap:8px;justify-content:center;flex-wrap:wrap;align-items:center;margin:9px 0}.seg{display:inline-flex;background:var(--panel);border:1px solid var(--line);border-radius:999px;overflow:hidden}.seg button{background:none;border:none;color:var(--dim);padding:6px 13px;font:600 13px system-ui;cursor:pointer}.seg button.active{background:var(--accent);color:#0b1020}.btn{background:var(--panel);border:1px solid var(--line);color:var(--ink);padding:7px 14px;border-radius:999px;font:700 13px system-ui;cursor:pointer}.btn:hover{border-color:var(--accent)}.status{text-align:center;min-height:20px;margin:6px 0;color:var(--dim);font-size:13px;font-weight:600}.stage{position:relative;display:flex;justify-content:center}canvas{max-width:100%;height:auto;display:block;border-radius:8px;background:#0c0d16;box-shadow:0 12px 34px #0000008c;touch-action:none;cursor:pointer}.overlay{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:#080912bd;border-radius:8px;backdrop-filter:blur(3px)}.overlay.hidden{display:none}.card{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:22px 26px;text-align:center;max-width:340px}.card h2{margin:0 0 6px;font-size:24px;color:var(--ok)}.card p{margin:6px 0;color:var(--dim);font-size:14px}.card .row{display:flex;gap:8px;justify-content:center;margin-top:14px}.tray{margin:14px auto 0;max-width:540px;background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:12px 14px}.trayhead{font-size:12px;letter-spacing:1px;text-transform:uppercase;color:var(--dim);margin-bottom:8px}.trayrow{display:flex;gap:12px;align-items:center;flex-wrap:wrap}.swatch.big{width:54px;height:54px;border-radius:10px;border:2px solid var(--line);background:transparent;flex:0 0 auto}.swatch.big.filled{border-color:var(--ink);box-shadow:0 0 0 3px #5a7ad040}.prims{display:flex;gap:6px;flex-wrap:wrap}.prim{border:none;border-radius:8px;padding:8px 12px;font:700 12px system-ui;cursor:pointer;color:#0b1020}.prim:hover{filter:brightness(1.08)}.traybtns{display:flex;gap:6px;margin-left:auto}.traynote{margin-top:9px;font-size:12px;color:var(--dim)}.traynote.warn{color:var(--bad);font-weight:600}.hint{text-align:center;color:var(--dim);font-size:12px;margin-top:12px}