:root{--brand:#673ab6;--bg:#f4f5f7;--card:#fff;--border:#e0e0e0;--text:#1a1a1a;--muted:#666;--faint:#767676;--err:#d32f2f;--ok:#2e7d32}*{box-sizing:border-box}body,html{margin:0;padding:0}body{min-height:100svh;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background:var(--bg);color:var(--text)}.stage{min-height:100svh;align-items:center;justify-content:center;padding:32px 16px;gap:20px}.card,.stage{display:flex;flex-direction:column}.card{width:100%;max-width:460px;background:var(--card);padding:32px;border-radius:16px;box-shadow:0 2px 16px rgba(0,0,0,.08);gap:24px}.card h1{font-size:22px;line-height:1.3}.card .desc,.card h1{text-align:center;margin:0}.card .desc{color:var(--muted);font-size:14px;line-height:1.5}.order-summary{margin:0;padding:14px 16px;border:1px solid var(--border);border-radius:8px;background:color-mix(in srgb,var(--bg) 60%,#fff);display:flex;flex-direction:column;gap:8px}.order-row{display:flex;justify-content:space-between;align-items:baseline;gap:12px;font-size:14px}.order-row dt{color:var(--muted)}.order-row dd{margin:0;font-weight:600;text-align:right;overflow-wrap:anywhere}.questions{display:flex;flex-direction:column;gap:28px}.q-text{font-size:15px;font-weight:600;margin:0 0 12px}.q-text .req{color:var(--err)}.rating-row{gap:8px}.rating-btn,.rating-row{display:flex;justify-content:center}.rating-btn{flex:1 1;height:56px;border-radius:8px;border:2px solid var(--border);background:#fff;cursor:pointer;font-size:22px;transition:all .15s ease;align-items:center}.rating-btn[data-selected=true]{border-color:var(--brand);background:color-mix(in srgb,var(--brand) 10%,#fff)}.rating-labels{display:flex;justify-content:space-between;margin-top:8px;font-size:12px;color:var(--faint)}textarea.answer{width:100%;padding:12px 14px;border-radius:8px;border:1px solid var(--border);font-size:14px;font-family:inherit;min-height:88px;resize:vertical}textarea.answer:focus-visible{outline:2px solid var(--brand);border-color:var(--brand)}.choices{display:flex;flex-direction:column;gap:10px}.choice{padding:12px 16px;border-radius:8px;border:2px solid var(--border);background:#fff;color:#333;cursor:pointer;text-align:left;font-size:14px;transition:all .15s ease}.choice[data-selected=true]{border-color:var(--brand);background:color-mix(in srgb,var(--brand) 10%,#fff);color:var(--brand)}.submit{width:100%;height:50px;border:none;border-radius:8px;color:#fff;font-size:15px;font-weight:600;cursor:pointer;background:var(--brand);transition:filter .15s ease}.submit:hover:not(:disabled){filter:brightness(1.08)}.submit:disabled{opacity:.45;cursor:not-allowed}.center{text-align:center}.muted{color:var(--muted)}.hint{color:var(--muted);font-size:13px;line-height:1.4}.err-text,.hint{text-align:center;margin:0}.err-text{color:var(--err)}.checkmark{width:64px;height:64px;border-radius:50%;background:var(--ok);color:#fff;font-size:34px;display:flex;align-items:center;justify-content:center;margin:0 auto}