:root{--pri:#E54D42;--bg-start:#FFD1C7;--bg-end:#FFC8B5}
*{box-sizing:border-box;margin:0;padding:0}
/* legacy body → scoped */
.app-page{
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;
  background:linear-gradient(180deg,var(--bg-start) 0%,var(--bg-end) 50%,#fff5f0 100%);
  min-height:100vh;-webkit-font-smoothing:antialiased;
  display:flex;flex-direction:column;
}

.top-bar{display:flex;align-items:center;padding:14px 16px;gap:12px;max-width:500px;margin:0 auto}
.top-bar .back{font-size:22px;text-decoration:none;color:#666;line-height:1}
.top-bar .title{flex:1;font-size:16px;font-weight:600;color:#333;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;text-align:center}
.top-bar .qnum{font-size:13px;color:#999}
.progress{height:3px;background:rgba(0,0,0,0.08);max-width:500px;margin:0 auto}
.progress .bar{height:100%;background:var(--pri);transition:width 0.3s}

.main{flex:1;display:flex;flex-direction:column;padding:20px;max-width:500px;width:100%;margin:0 auto}

.qcard{background:#fff;border-radius:14px;padding:28px 22px;box-shadow:0 2px 10px rgba(0,0,0,0.04);flex:1}
.qcard .qtext{font-size:17px;color:#333;line-height:1.7;margin-bottom:24px}
.qcard .qtext .qidx{color:var(--pri);font-weight:600;margin-right:6px}

.options{display:flex;flex-direction:column;gap:10px}
.option{
  padding:14px 18px;border-radius:10px;border:1.5px solid #eee;
  font-size:15px;color:#444;cursor:pointer;transition:all 0.15s;text-align:left;background:#fafafa;
}
.option:hover{border-color:var(--pri);background:#fff5f3}
.option.selected{border-color:var(--pri);background:#fff0ed;color:var(--pri);font-weight:500}

.btns{display:flex;gap:12px;padding:16px 0 30px;max-width:500px;width:100%;margin:0 auto}
.btns button{
  flex:1;padding:14px;border-radius:10px;border:none;font-size:15px;cursor:pointer;
  font-weight:500;transition:all 0.15s;
}
.btn-prev{background:#f0f0f0;color:#666}
.btn-next{background:var(--pri);color:#fff}
.btn-submit{background:#4CAF50;color:#fff}
button:disabled{opacity:0.4;cursor:not-allowed}

.submit-area{text-align:center;padding:40px 20px}
.submit-area p{font-size:14px;color:#888;margin-bottom:20px}
.submit-area button{
  padding:14px 40px;border-radius:10px;background:var(--pri);color:#fff;
  border:none;font-size:16px;cursor:pointer;font-weight:500;
}

.result-card{background:#fff;border-radius:14px;padding:32px 22px;box-shadow:0 2px 10px rgba(0,0,0,0.04);text-align:center;max-width:500px;width:100%;margin:0 auto}
.result-card .score{font-size:48px;font-weight:700;color:var(--pri);margin:12px 0}
.result-card .level{font-size:18px;color:#666;margin-bottom:20px}
.result-card .detail{font-size:14px;color:#999;line-height:1.6;text-align:left}
.result-card .back-btn{
  display:inline-block;margin-top:20px;padding:12px 30px;background:var(--pri);color:#fff;
  border-radius:10px;text-decoration:none;font-size:15px;
}

.loading{text-align:center;padding:80px 20px;color:#999}