:root{
  --mmd-red:#C40001;
  --mmd-bg:#ffffff;
  --mmd-card:#ffffff;
  --mmd-text:#111111;
  --mmd-muted:#5b5f66;
  --mmd-border: rgba(0,0,0,.12);
  --mmd-shadow: 0 10px 30px rgba(0,0,0,.08);
  --mmd-focus: rgba(196,0,1,.25);
  --mmd-pill: rgba(196,0,1,.10);
  --mmd-green: #16a34a;
  --mmd-yellow: #f59e0b;
  --mmd-red2: #dc2626;
}

@media (prefers-color-scheme: dark){
  :root{
    --mmd-bg:#0f1115;
    --mmd-card:#141824;
    --mmd-text:#f2f4f8;
    --mmd-muted:#b6bcc7;
    --mmd-border: rgba(255,255,255,.12);
    --mmd-shadow: 0 10px 30px rgba(0,0,0,.35);
    --mmd-focus: rgba(196,0,1,.35);
    --mmd-pill: rgba(196,0,1,.18);
  }
}

/* Theme-based dark class */
.dark .mmd-bmi{
  --mmd-bg:#0f1115;
  --mmd-card:#141824;
  --mmd-text:#f2f4f8;
  --mmd-muted:#b6bcc7;
  --mmd-border: rgba(255,255,255,.12);
  --mmd-shadow: 0 10px 30px rgba(0,0,0,.35);
  --mmd-focus: rgba(196,0,1,.35);
  --mmd-pill: rgba(196,0,1,.18);
}

.mmd-bmi{
  font-family: inherit;
  color: var(--mmd-text);
}

.mmd-bmi-header{
  display:flex;
  gap:12px;
  padding:16px;
  border:1px solid var(--mmd-border);
  border-radius:18px;
  background: var(--mmd-card);
  box-shadow: var(--mmd-shadow);
  margin-bottom:14px;
}
.mmd-bmi-ribbon{
  width:8px;
  border-radius:999px;
  background: var(--mmd-red);
  flex:0 0 auto;
}
.mmd-bmi-title{
  margin:0;
  font-size:18px;
  font-weight:900;
  line-height:1.2;
}
.mmd-bmi-subtitle{
  margin:6px 0 0;
  font-size:13px;
  color: var(--mmd-muted);
  line-height:1.4;
}

.mmd-bmi-body{
  border:1px solid var(--mmd-border);
  border-radius:18px;
  background: var(--mmd-card);
  box-shadow: var(--mmd-shadow);
  padding:14px;
}

.mmd-bmi-grid{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap:10px;
  margin-bottom:10px;
}
.mmd-bmi-field label,
.mmd-bmi-body label{
  font-weight:800;
  font-size:12px;
  display:block;
  margin-top:10px;
  margin-bottom:6px;
}
.mmd-bmi-field label{ margin-top:0; }

.mmd-bmi-body input,
.mmd-bmi-body select{
  width:100%;
  padding:10px 12px;
  border-radius:12px;
  border:1px solid var(--mmd-border);
  background: transparent;
  color: var(--mmd-text);
  outline:none;
  font-size:14px;
}
.mmd-bmi-body input:focus,
.mmd-bmi-body select:focus{
  border-color: rgba(196,0,1,.55);
  box-shadow: 0 0 0 4px var(--mmd-focus);
}

.mmd-bmi-actions{
  display:flex;
  gap:10px;
  margin-top:14px;
  flex-wrap:wrap;
}
.mmd-bmi-btn{
  border:1px solid var(--mmd-border);
  background: transparent;
  color: var(--mmd-text);
  padding:10px 12px;
  border-radius:12px;
  font-weight:900;
  font-size:13px;
  cursor:pointer;
}
.mmd-bmi-btn:hover{ border-color: rgba(196,0,1,.45); }
.mmd-bmi-btn-primary{
  background: var(--mmd-red);
  border-color: var(--mmd-red);
  color:#fff;
}
.mmd-bmi-btn-primary:hover{ filter:brightness(0.96); }
.mmd-bmi-btn-small{ padding:9px 10px; font-size:12px; }

.mmd-bmi-error{
  margin-top:10px;
  padding:10px 12px;
  border-radius:12px;
  border:1px solid rgba(220,38,38,.35);
  background: rgba(220,38,38,.08);
  font-size:13px;
  font-weight:800;
}

.mmd-bmi-result{
  margin-top:16px;
  border:1px solid var(--mmd-border);
  border-radius:16px;
  padding:12px;
}
.mmd-bmi-result-top{
  display:flex;
  gap:12px;
  align-items:flex-start;
}
.mmd-bmi-badge{
  width:44px;
  height:44px;
  border-radius:14px;
  display:flex;
  align-items:center;
  justify-content:center;
  font-weight:900;
  border:1px solid var(--mmd-border);
  background: var(--mmd-pill);
}

.mmd-bmi-result-label{
  font-size:12px;
  font-weight:900;
  color: var(--mmd-muted);
}
.mmd-bmi-result-value{
  font-size:26px;
  font-weight:950;
  line-height:1.1;
}
.mmd-bmi-result-cat{
  margin-top:6px;
  font-size:13px;
  font-weight:900;
}

.mmd-bmi-reco{
  margin-top:10px;
  padding:10px 12px;
  border-radius:14px;
  border:1px solid var(--mmd-border);
  background: var(--mmd-pill);
  font-size:13px;
  font-weight:800;
  line-height:1.45;
}

.mmd-bmi-share{
  margin-top:12px;
  padding:12px;
  border:1px solid var(--mmd-border);
  border-radius:14px;
}
.mmd-bmi-share-title{
  font-size:12px;
  font-weight:950;
  margin-bottom:8px;
}
.mmd-bmi-share-row{
  display:flex;
  gap:8px;
}
#mmd_bmi_share{ display:none; }
#bmi_share{
  flex:1 1 auto;
  border:1px solid var(--mmd-border);
  border-radius:12px;
  padding:10px 12px;
  background: transparent;
  color: var(--mmd-text);
  outline:none;
  font-size:13px;
}
.mmd-bmi-share-hint{
  margin-top:8px;
  font-size:12px;
  color: var(--mmd-muted);
  font-weight:700;
}

.mmd-bmi-note{
  margin-top:12px;
  font-size:12px;
  color: var(--mmd-muted);
  line-height:1.45;
}

.mmd-bmi-seo{
  margin-top:14px;
  padding:14px;
  border:1px solid var(--mmd-border);
  border-radius:18px;
  background: var(--mmd-card);
  box-shadow: var(--mmd-shadow);
}
.mmd-bmi-seo h4{
  margin:0 0 8px 0;
  font-size:16px;
  font-weight:950;
}
.mmd-bmi-seo p{
  margin:8px 0;
  color: var(--mmd-muted);
  line-height:1.55;
  font-size:13px;
}
.mmd-bmi-seo ul{
  margin:10px 0 10px 18px;
  color: var(--mmd-text);
  font-size:13px;
  line-height:1.55;
}
.mmd-bmi-seo li{ margin:4px 0; }

/* Result color states */
.mmd-bmi--green #bmi_badge{ background: rgba(22,163,74,.14); border-color: rgba(22,163,74,.35); color: var(--mmd-green); }
.mmd-bmi--green #bmi_category{ color: var(--mmd-green); }
.mmd-bmi--yellow #bmi_badge{ background: rgba(245,158,11,.16); border-color: rgba(245,158,11,.38); color: var(--mmd-yellow); }
.mmd-bmi--yellow #bmi_category{ color: var(--mmd-yellow); }
.mmd-bmi--red #bmi_badge{ background: rgba(220,38,38,.14); border-color: rgba(220,38,38,.38); color: var(--mmd-red2); }
.mmd-bmi--red #bmi_category{ color: var(--mmd-red2); }

@media (max-width: 620px){
  .mmd-bmi-grid{ grid-template-columns: 1fr; }
  .mmd-bmi-share-row{ flex-direction:column; }
}