*{box-sizing:border-box}
html{scroll-behavior:smooth}

.wrapper{
  width:min(100%,1200px);
  margin:0 auto;
  padding:15px;
}

.card,.result-card{
  background:var(--bg-card);
  border:1px solid var(--primary-border);
  border-radius:18px;
  padding:24px;
  box-shadow:0 1px 4px rgba(0,0,0,.06);
}

.app-tag{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:8px 12px;
  background:var(--primary-soft);
  color:var(--primary);
  border-radius:999px;
  font-size:13px;
  font-weight:700;
  margin-bottom:14px;
}

.intro{
  margin:0 0 18px;
  color:var(--text-secondary);
  line-height:1.6;
  font-size:15px;
}

.notice{
  margin-bottom:22px;
  padding:14px 16px;
  border-radius:14px;
  background:#fff5dd;
  border:1px solid #f0d7a1;
  color:#825a10;
  line-height:1.55;
  font-size:14px;
}

.block{margin-top:22px}

.block-label{
  font-size:14px;
  font-weight:700;
  margin-bottom:14px;
  color:var(--text-primary);
}

.grid{display:grid;gap:16px}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}

.field label{
  display:block;
  font-size:14px;
  font-weight:700;
  margin-bottom:8px;
  color:var(--text-primary);
}

.field input{
  width:100%;
  height:52px;
  border:1px solid var(--primary-border);
  border-radius:12px;
  padding:0 14px;
  font-size:15px;
  color:var(--text-primary);
  background:var(--bg-card);
  transition:border-color .2s ease;
}

.field input:focus{
  outline:none;
  border-color:var(--primary);
}

.field.has-error input{
  border-color:#c62828;
  background:#fff8f8;
}

.error-text{
  min-height:18px;
  margin-top:7px;
  color:#c62828;
  font-size:13px;
  line-height:1.45;
}

.actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:18px;
}

.btn{
  appearance:none;
  border:none;
  border-radius:12px;
  padding:14px 18px;
  min-height:52px;
  font-size:15px;
  font-weight:700;
  cursor:pointer;
  transition:transform .15s ease;
}

.btn:hover{transform:translateY(-1px)}

.btn-primary{
  background:var(--primary);
  color:#fff;
}

.btn-secondary{
  background:var(--primary-soft);
  color:var(--text-primary);
}

.result-card{
  margin-top:22px;
  display:none;
  scroll-margin-top:18px;
}

.result-card.is-visible{display:block}

.result-top{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:16px;
  margin-bottom:20px;
}

.result-title{
  font-size:20px;
  font-weight:700;
  color:var(--text-primary);
}

.badge{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:999px;
  padding:9px 12px;
  font-size:13px;
  font-weight:700;
}

.badge-low{background:#eef4ff;color:#0b57d0}
.badge-normal{background:#eefbf1;color:#2e7d32}
.badge-over{background:#fff5dd;color:#9a6700}
.badge-obese{background:#fff1f1;color:#c62828}

.result-summary{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:16px;
  margin-bottom:18px;
}

.summary-card{
  background:var(--primary-soft);
  border:1px solid var(--primary-border);
  border-radius:16px;
  padding:18px;
}

.summary-label{
  font-size:13px;
  color:var(--text-secondary);
  margin-bottom:10px;
}

.summary-value{
  font-size:30px;
  font-weight:700;
  line-height:1.1;
  margin-bottom:10px;
  color:var(--text-primary);
}

.summary-note{
  color:var(--text-secondary);
  font-size:14px;
  line-height:1.45;
}

.gauge-box{
  margin-top:16px;
  padding:24px 20px 22px;
  border:1px solid var(--primary-border);
  border-radius:22px;
  background:var(--bg-card);
}

.gauge-title{
  margin:0 0 18px;
  font-size:16px;
  font-weight:700;
  color:var(--text-primary);
}

.gauge-shell{
  position:relative;
  max-width:860px;
  margin:0 auto;
}

.gauge-svg{
  display:block;
  width:100%;
  height:auto;
  overflow:visible;
}

.gauge-value-panel{
  position:absolute;
  left:50%;
  bottom:20px;
  transform:translateX(-50%);
  min-width:230px;
  padding:18px 24px 16px;
  border-radius:28px;
  background:var(--bg-card);
  border:1px solid var(--primary-border);
  text-align:center;
}

.gauge-value-number{
  font-size:64px;
  line-height:1;
  font-weight:800;
  letter-spacing:-2px;
  color:var(--text-primary);
}

.gauge-value-label{
  margin-top:6px;
  font-size:16px;
  color:var(--text-secondary);
  font-weight:700;
}

.gauge-category-pill{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  margin-top:14px;
  padding:10px 16px;
  border-radius:999px;
  font-size:14px;
  font-weight:700;
  border:1px solid transparent;
}

.gauge-category-low{background:#eef6ff;color:#1761bb;border-color:#b8d7fb}
.gauge-category-normal{background:#eefbf1;color:#2e7d32;border-color:#b8e2bd}
.gauge-category-over{background:#fff5dd;color:#9a6700;border-color:#f0d7a1}
.gauge-category-obese{background:#fff1f1;color:#c62828;border-color:#f0b9b9}

.gauge-meta{
  display:flex;
  justify-content:center;
  gap:12px;
  flex-wrap:wrap;
  margin-top:14px;
}

.gauge-meta-item{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:9px 12px;
  border-radius:999px;
  background:var(--bg-card);
  border:1px solid var(--primary-border);
  font-size:13px;
  color:var(--text-primary);
}

.gauge-meta-dot{width:10px;height:10px;border-radius:50%}

.gauge-boundary-label{font-size:18px;font-weight:800;fill:#18243c;text-anchor:middle;dominant-baseline:middle}
.gauge-outer-label{font-size:15px;font-weight:800;fill:#ffffff;letter-spacing:.5px}
.gauge-range-label{font-size:14px;font-weight:700;fill:rgba(255,255,255,.96)}
.gauge-slice-separator{stroke:rgba(255,255,255,.5);stroke-width:2}
.gauge-needle-shadow{fill:rgba(16,24,40,.15)}
.gauge-needle{fill:#2f3342}
.gauge-cap-ring{fill:#4a4e5d}
.gauge-cap-core{fill:#2e3241}

.section-box{
  border:1px solid var(--primary-border);
  border-radius:16px;
  background:var(--bg-card);
  padding:18px;
  margin-top:16px;
}

.box-title{
  font-size:16px;
  font-weight:700;
  margin-bottom:12px;
  color:var(--text-primary);
}

.rows{display:grid;gap:10px}

.row{
  display:flex;
  justify-content:space-between;
  gap:16px;
  align-items:flex-start;
  padding:10px 0;
  border-bottom:1px solid var(--primary-soft);
}

.row:last-child{border-bottom:none}
.row-label{color:var(--text-secondary);font-size:14px}
.row-value{font-weight:700;font-size:14px;text-align:right;color:var(--text-primary)}

.info-box{
  margin-top:16px;
  padding:14px 16px;
  border-radius:14px;
  background:var(--primary-soft);
  border:1px solid var(--primary-border);
  color:var(--text-secondary);
  font-size:14px;
  line-height:1.6;
}

@media (max-width:768px){
  .card,.result-card{padding:18px}
  .grid-3,.result-summary{grid-template-columns:1fr}
  .result-top,.row{flex-direction:column;align-items:stretch}
  .row-value{text-align:left}
  .gauge-box{padding:18px 10px 16px;overflow:hidden}
  .gauge-shell{max-width:100%;padding-bottom:126px}
  .gauge-value-panel{bottom:8px;width:min(100%,180px);min-width:0;padding:12px 14px 11px;border-radius:20px}
  .gauge-value-number{font-size:36px;letter-spacing:-1px}
  .gauge-value-label{margin-top:4px;font-size:13px}
  .gauge-category-pill{margin-top:9px;padding:7px 11px;font-size:12px}
  .gauge-meta{gap:8px;margin-top:10px}
  .gauge-meta-item{padding:8px 10px;font-size:12px}
}