.qp{--color-primary-start: #667eea;--color-primary-end: #764ba2;--color-surface: #f7f7f7;--color-surface-primary: #ffffff;--color-text: #333333;--color-text-muted: #999999;--color-text-light: #ffffff;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,system-ui,sans-serif;max-width:420px;margin:0 auto;padding:16px;display:flex;flex-direction:column;min-height:100vh;box-sizing:border-box}.qp__header{background:linear-gradient(135deg,var(--color-primary-start) 0%,var(--color-primary-end) 100%);color:var(--color-text-light);border-radius:20px;padding:24px;text-align:center}.qp__title{margin:0;font-size:28px;font-weight:600}.qp__tagline{margin:8px 0 0;font-size:14px;opacity:.9}.qp__content{flex:1 1 auto;display:flex;flex-direction:column;justify-content:center}.qp__card{background:var(--color-surface);border-radius:16px;min-height:200px;padding:24px 32px;margin-bottom:32px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;animation:qp-fade-in .3s ease}.qp__question{font-size:24px;font-weight:600;line-height:1.5;color:var(--color-text)}.qp__error-title{font-size:24px;font-weight:600;color:var(--color-text);margin:0}.qp__error-detail{font-size:14px;color:var(--color-text-muted);margin:12px 0 0}.qp__spinner{width:32px;height:32px;border:3px solid var(--color-text-muted);border-top-color:transparent;border-radius:50%;animation:qp-spin .8s linear infinite}.qp__button{background:linear-gradient(135deg,var(--color-primary-start) 0%,var(--color-primary-end) 100%);color:var(--color-text-light);font-size:16px;font-weight:700;padding:14px 24px;border:none;border-radius:12px;cursor:pointer;transition:all .2s ease}.qp__button:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 8px 20px #667eea66}.qp__button:disabled{opacity:.6;cursor:default}.qp__hint{font-size:12px;color:var(--color-text-muted);text-align:center;margin-top:16px}@keyframes qp-spin{to{transform:rotate(360deg)}}@keyframes qp-fade-in{0%{opacity:0}to{opacity:1}}