/* Breadcrumb */
    .breadcrumb-bar { background:#0d0d14; border-bottom:1px solid #1e1e2e; padding:10px 20px; font-size:0.8rem; color:#6b7280; }
    .breadcrumb-bar a { color:#7c5ff5; text-decoration:none; }
    .breadcrumb-bar a:hover { text-decoration:underline; }

    /* Page layout */
    .page-wrap { max-width:1100px; margin:0 auto; padding:32px 16px 60px; display:grid; grid-template-columns:1fr 268px; gap:24px; align-items:start; }
    .page-title { font-size:1.45rem; font-weight:700; color:#fff; margin:0 0 4px; }
    .page-subtitle { font-size:0.875rem; color:#6b7280; margin:0 0 20px; }

    /* Card */
    .card-dark { background:#13131f; border:1px solid #1e1e2e; border-radius:12px; padding:22px; }

    /* Unit Toggle */
    .unit-toggle { display:flex; background:#0d0d14; border:1px solid #2a2a40; border-radius:9px; padding:4px; margin-bottom:20px; gap:4px; }
    .unit-btn { flex:1; padding:8px 0; font-size:0.85rem; font-weight:600; background:none; border:none; color:#6b7280; border-radius:6px; cursor:pointer; transition:all .15s; }
    .unit-btn.active { background:#1e1e2e; color:#fff; box-shadow:0 1px 4px rgba(0,0,0,.4); }

    /* Form */
    .form-label-dark { font-size:0.78rem; font-weight:600; color:#9ca3af; text-transform:uppercase; letter-spacing:.05em; margin-bottom:6px; display:block; }
    .input-group-dark { display:flex; align-items:center; background:#0d0d14; border:1px solid #2a2a40; border-radius:8px; overflow:hidden; transition:border-color .15s,box-shadow .15s; }
    .input-group-dark:focus-within { border-color:#7c5ff5; box-shadow:0 0 0 3px rgba(124,95,245,.15); }
    .form-input-dark { flex:1; padding:11px 13px; font-size:0.9rem; font-family:'Inter',sans-serif; color:#e2e4ec; background:transparent; border:none; outline:none; min-width:0; }
    .form-input-dark::placeholder { color:#4b5563; }
    .input-suffix { padding:10px 12px; font-size:0.82rem; font-weight:600; color:#6b7280; background:#13131f; border:none; flex-shrink:0; }
    select.form-input-dark { cursor:pointer; }
    select.form-input-dark option { background:#13131f; }
    .calc-btn { width:100%; padding:13px; font-size:0.95rem; font-weight:700; color:#fff; background:linear-gradient(135deg,#7c5ff5,#ec4899); border:none; border-radius:10px; cursor:pointer; transition:opacity .15s; margin-top:4px; }
    .calc-btn:hover { opacity:.9; }

    /* BMI Result Hero */
    .bmi-hero { border-radius:14px; padding:26px 22px; text-align:center; margin-bottom:20px; border:1px solid transparent; transition:all .3s; }
    .bmi-hero-label { font-size:0.72rem; color:#9ca3af; text-transform:uppercase; letter-spacing:.07em; margin-bottom:8px; }
    .bmi-num { font-size:clamp(3rem,10vw,4.5rem); font-weight:700; line-height:1; letter-spacing:-3px; }
    .bmi-category { font-size:1rem; font-weight:600; margin-top:6px; }
    .bmi-desc { font-size:0.82rem; color:#9ca3af; margin-top:4px; }

    /* Category themes */
    .bmi-severe { background:rgba(239,68,68,.1); border-color:rgba(239,68,68,.25); }
    .bmi-severe .bmi-num, .bmi-severe .bmi-category { color:#ef4444; }
    .bmi-under  { background:rgba(251,191,36,.08); border-color:rgba(251,191,36,.2); }
    .bmi-under  .bmi-num, .bmi-under .bmi-category { color:#fbbf24; }
    .bmi-normal { background:rgba(34,197,94,.1); border-color:rgba(34,197,94,.25); }
    .bmi-normal .bmi-num, .bmi-normal .bmi-category { color:#22c55e; }
    .bmi-over   { background:rgba(251,146,60,.1); border-color:rgba(251,146,60,.25); }
    .bmi-over   .bmi-num, .bmi-over .bmi-category { color:#fb923c; }
    .bmi-obese1 { background:rgba(239,68,68,.1); border-color:rgba(239,68,68,.25); }
    .bmi-obese1 .bmi-num, .bmi-obese1 .bmi-category { color:#f87171; }
    .bmi-obese2 { background:rgba(220,38,38,.12); border-color:rgba(220,38,38,.28); }
    .bmi-obese2 .bmi-num, .bmi-obese2 .bmi-category { color:#ef4444; }
    .bmi-obese3 { background:rgba(185,28,28,.15); border-color:rgba(185,28,28,.3); }
    .bmi-obese3 .bmi-num, .bmi-obese3 .bmi-category { color:#dc2626; }

    /* BMI Scale */
    .scale-bar { position:relative; height:16px; border-radius:999px; background:linear-gradient(to right,
      #fbbf24 0%,#fbbf24 14.3%,
      #22c55e 14.3%,#22c55e 35.7%,
      #fb923c 35.7%,#fb923c 57.1%,
      #f87171 57.1%,#f87171 71.4%,
      #ef4444 71.4%,#ef4444 85.7%,
      #dc2626 85.7%,#dc2626 100%); margin-bottom:6px; }
    .scale-pointer { position:absolute; top:-4px; width:24px; height:24px; border-radius:50%; border:3px solid #fff; box-shadow:0 2px 8px rgba(0,0,0,.5); transform:translateX(-50%); transition:left .5s ease; z-index:2; }
    .scale-labels { display:flex; justify-content:space-between; font-size:0.65rem; color:#6b7280; }
    .scale-legend { display:flex; gap:10px; flex-wrap:wrap; margin-top:10px; }
    .scale-legend-item { display:flex; align-items:center; gap:5px; font-size:0.7rem; color:#9ca3af; }
    .legend-dot { width:8px; height:8px; border-radius:50%; flex-shrink:0; }

    /* Metrics */
    .metrics-grid { display:grid; grid-template-columns:1fr 1fr; gap:12px; margin-bottom:20px; }
    .metric-box { background:#0d0d14; border:1px solid #1e1e2e; border-radius:10px; padding:14px; }
    .metric-label { font-size:0.68rem; color:#6b7280; text-transform:uppercase; letter-spacing:.05em; margin-bottom:4px; }
    .metric-val { font-size:1.05rem; font-weight:700; color:#fff; }
    .metric-sub { font-size:0.7rem; color:#4b5563; margin-top:2px; }

    /* Table */
    .bmi-table { width:100%; border-collapse:collapse; font-size:0.8rem; }
    .bmi-table th { padding:9px 12px; text-align:left; color:#6b7280; font-size:0.7rem; font-weight:600; text-transform:uppercase; letter-spacing:.04em; border-bottom:1px solid #1e1e2e; }
    .bmi-table td { padding:9px 12px; border-bottom:1px solid #111119; color:#c9cbdb; }
    .bmi-table tr.active-row td { background:#1a1a2e; }
    .bmi-table tr.active-row td:first-child { border-left:3px solid #7c5ff5; padding-left:9px; }
    .color-dot { width:10px; height:10px; border-radius:50%; display:inline-block; margin-right:6px; vertical-align:middle; }

    /* Healthy box */
    .healthy-box { background:linear-gradient(135deg,rgba(34,197,94,.1),rgba(22,163,74,.06)); border:1px solid rgba(34,197,94,.2); border-radius:10px; padding:14px 16px; margin-bottom:16px; }
    .healthy-label { font-size:0.72rem; color:#4ade80; text-transform:uppercase; letter-spacing:.06em; margin-bottom:4px; font-weight:600; }
    .healthy-val { font-size:1rem; font-weight:700; color:#fff; }
    .healthy-sub { font-size:0.72rem; color:#6b7280; margin-top:2px; }

    /* Sidebar */
    .sidebar-card { background:#13131f; border:1px solid #1e1e2e; border-radius:12px; padding:18px; margin-bottom:14px; }
    .sidebar-title { font-size:0.72rem; font-weight:700; color:#6b7280; text-transform:uppercase; letter-spacing:.06em; margin-bottom:12px; }
    .related-item { display:flex; align-items:center; gap:10px; padding:9px 0; border-bottom:1px solid #1e1e2e; text-decoration:none; }
    .related-item:last-child { border-bottom:none; padding-bottom:0; }
    .related-icon { width:34px; height:34px; border-radius:8px; flex-shrink:0; display:flex; align-items:center; justify-content:center; font-size:15px; }
    .related-name { font-size:0.82rem; font-weight:600; color:#e2e4ec; }
    .related-desc { font-size:0.72rem; color:#6b7280; margin-top:1px; }
    .tip-item { display:flex; gap:10px; padding:9px 0; border-bottom:1px solid #1e1e2e; font-size:0.8rem; color:#6b7280; line-height:1.5; }
    .tip-item:last-child { border-bottom:none; padding-bottom:0; }
    .tip-item strong { color:#9ca3af; }
    .tip-icon { flex-shrink:0; font-size:1rem; margin-top:1px; }
    
    .hidden { display:none !important; }
    
    /* ── Blog / FAQ ── */
    .blog-section { max-width:1200px; margin:0 auto; padding:0 16px 72px; }
    .blog-section-header { display:flex; align-items:center; gap:12px; margin-bottom:28px; }
    .blog-section-badge { font-size:0.68rem; font-weight:700; color:#7c5ff5; text-transform:uppercase; letter-spacing:.1em; background:rgba(124,95,245,.1); border:1px solid rgba(124,95,245,.22); border-radius:20px; padding:4px 12px; }
    .blog-section-title { font-size:1.2rem; font-weight:700; color:#fff; margin:0; }
    .blog-intro { background:#13131f; border:1px solid #1e1e2e; border-radius:12px; padding:22px 24px; margin-bottom:24px; font-size:0.9rem; color:#9ca3af; line-height:1.75; }
    .blog-intro strong { color:#e2e4ec; }
    .blog-intro p { margin:0 0 12px; }
    .blog-intro p:last-child { margin-bottom:0; }
    .blog-grid { display:grid; grid-template-columns:1fr 1fr; gap:16px; margin-bottom:24px; }
    .blog-card { background:#13131f; border:1px solid #1e1e2e; border-radius:12px; padding:20px 22px; }
    .blog-card-icon { width:36px; height:36px; border-radius:9px; background:rgba(124,95,245,.13); border:1px solid rgba(124,95,245,.2); display:flex; align-items:center; justify-content:center; font-size:17px; margin-bottom:13px; }
    .blog-card h3 { font-size:0.92rem; font-weight:700; color:#fff; margin:0 0 8px; }
    .blog-card p { font-size:0.82rem; color:#6b7280; line-height:1.7; margin:0; }

    /* FAQ */
    .faq-item { background:#13131f; border:1px solid #1e1e2e; border-radius:10px; margin-bottom:8px; cursor:pointer; overflow:hidden; transition:border-color .15s; }
    .faq-item:hover { border-color:#2c2c42; }
    .faq-item.open { border-color:#2c2c42; }
    .faq-q { display:flex; align-items:center; justify-content:space-between; padding:15px 18px; gap:12px; }
    .faq-q-text { font-size:0.88rem; font-weight:600; color:#e2e4ec; }
    .faq-chevron { width:18px; height:18px; color:#7c5ff5; flex-shrink:0; transition:transform .2s; }
    .faq-item.open .faq-chevron { transform:rotate(180deg); }
    .faq-a { max-height:0; overflow:hidden; transition:max-height .3s ease; }
    .faq-a-inner { padding:0 18px 15px; font-size:0.84rem; color:#6b7280; line-height:1.75; border-top:1px solid #1e1e2e; padding-top:13px; }
    .faq-item.open .faq-a { max-height:400px; }
    .faq-a-inner strong { color:#9ca3af; }

    /* ── Share Bar ── */
    .share-bar { max-width:1200px; margin:0 auto; padding:0 16px 48px; }
    .share-inner { background:#13131f; border:1px solid #1e1e2e; border-radius:12px; padding:20px 24px; display:flex; align-items:center; justify-content:space-between; gap:16px; flex-wrap:wrap; }
    .share-text-wrap { display:flex; flex-direction:column; gap:2px; }
    .share-heading { font-size:0.88rem; font-weight:700; color:#e2e4ec; }
    .share-sub { font-size:0.76rem; color:#6b7280; }
    .share-btns { display:flex; gap:8px; flex-wrap:wrap; }
    .share-btn { display:inline-flex; align-items:center; gap:7px; padding:9px 16px; border-radius:8px; font-size:0.82rem; font-weight:700; text-decoration:none; border:none; cursor:pointer; transition:opacity .15s,transform .12s; white-space:nowrap; }
    .share-btn:hover { opacity:.88; transform:translateY(-1px); }
    .share-btn-tw  { background:#000; color:#fff; }
    .share-btn-fb  { background:#1877f2; color:#fff; }
    .share-btn-wa  { background:#25d366; color:#fff; }
    .share-btn svg { width:15px; height:15px; fill:currentColor; flex-shrink:0; }
    /* Responsive */
    @media (max-width:900px) {
      .page-wrap { grid-template-columns:1fr; }
      .sidebar { display:grid; grid-template-columns:1fr 1fr; gap:14px; }
      .sidebar-card { margin-bottom:0; }
    }
    @media (max-width:700px) {
   
      .page-wrap { padding:20px 14px 48px; }
      .page-title { font-size:1.25rem; }
    }
    @media (max-width:580px) {
      .sidebar { grid-template-columns:1fr; }
    }
    @media (max-width:420px) {
      .metrics-grid { grid-template-columns:1fr; }
      .card-dark { padding:16px; }
    }