.ldl-breadcrumb{display:flex;gap:7px;flex-wrap:wrap;margin-bottom:20px;color:#64748b;font:500 13px Inter,sans-serif}
.ldl-breadcrumb a{color:#1d3557;text-decoration:none}
.ldl-breadcrumb a:hover{text-decoration:underline}
.ldl-hero-grid{align-items:start}
.ldl-hero .update-badge i{width:8px;height:8px;border-radius:50%;background:#4ade80}
.ldl-lead{font-size:16px;line-height:1.75}
.ldl-direct{margin:20px 0;padding:15px 17px;border:1px solid #bfdbfe;border-radius:11px;background:#eff6ff;color:#1e3a8a;font:13px/1.6 Inter,sans-serif}
.ldl-stats{margin-bottom:20px}

.ldl-card{padding:24px}
.ldl-card-head{display:flex;justify-content:space-between;gap:12px;align-items:start;margin-bottom:15px}
.ldl-card-head span{color:#e63946;font:700 10px Inter,sans-serif;letter-spacing:.07em;text-transform:uppercase}
.ldl-card-head h2{margin:3px 0 0;font-size:18px}
.ldl-card-head>b{padding:5px 8px;border-radius:99px;background:#dcfce7;color:#166534;font:700 9px Lexend,sans-serif}
.ldl-unit-switch{display:flex;align-items:center;gap:7px;margin-bottom:12px;padding:6px;border-radius:10px;background:#f1f5f9}
.ldl-unit-switch>span{margin:0 6px;color:#64748b;font:700 9px Lexend,sans-serif;text-transform:uppercase}
.ldl-unit-switch label{position:relative;flex:1;cursor:pointer}
.ldl-unit-switch input{position:absolute;opacity:0;pointer-events:none}
.ldl-unit-switch label span{display:block;padding:8px;border:1px solid transparent;border-radius:8px;color:#64748b;text-align:center;font:700 10px Lexend,sans-serif}
.ldl-unit-switch input:checked+span{border-color:#bfdbfe;background:#fff;color:#1d3557;box-shadow:0 2px 6px rgba(15,23,42,.06)}
.ldl-unit-switch input:focus-visible+span{outline:2px solid #1d4ed8;outline-offset:2px}
.ldl-group{margin:0;padding:16px;border:1px solid #e2e8f0;border-radius:12px;background:#f8fafc}
.ldl-group legend{padding:0 6px;color:#1d3557;font:700 10px Lexend,sans-serif;text-transform:uppercase;letter-spacing:.04em}
.ldl-fields{display:grid;grid-template-columns:repeat(3,1fr);gap:9px}
.ldl-fields label{display:block;color:#475569;font:700 10px Lexend,sans-serif}
.ldl-fields label small{display:block;margin:3px 0 6px;color:#94a3b8;font:400 9px/1.4 Inter,sans-serif}
.ldl-fields input{box-sizing:border-box;width:100%;padding:12px 10px;border:1.5px solid #dbe3ed;border-radius:9px;background:#fff;color:#1d3557;font:700 16px Lexend,sans-serif}
.ldl-fields input:focus{outline:0;border-color:#1d3557;box-shadow:0 0 0 3px rgba(29,53,87,.1)}
.ldl-unit-note{margin:8px 0 11px;color:#64748b;font:10px/1.5 Inter,sans-serif}
.ldl-examples{display:flex;align-items:center;gap:6px;flex-wrap:wrap;margin-bottom:13px}
.ldl-examples>span{color:#64748b;font:600 9px Lexend,sans-serif}
.ldl-examples button{padding:6px 9px;border:1px solid #cbd5e1;border-radius:99px;background:#fff;color:#1d3557;cursor:pointer;font:600 9px Lexend,sans-serif}
.ldl-examples button:hover{border-color:#1d3557;background:#eff6ff}
.ldl-error{display:none;margin:0 0 10px;padding:10px;border-radius:8px;background:#fff1f2;color:#be123c;font:600 11px/1.5 Inter,sans-serif}
.ldl-error.show{display:block}
.ldl-actions{display:grid;grid-template-columns:1fr auto;gap:8px}
.ldl-actions>button:last-child,.ldl-print{padding:10px 13px;border:1px solid #cbd5e1;border-radius:9px;background:#fff;color:#475569;cursor:pointer;font:600 11px Lexend,sans-serif}
.ldl-actions>button:last-child:hover,.ldl-print:hover{border-color:#94a3b8;background:#f8fafc}

.ldl-result{margin-top:20px;padding-top:18px;border-top:1px solid #e2e8f0}
.ldl-result[hidden],.ldl-result-grid>[hidden],.ldl-working[hidden]{display:none}
.ldl-result-head{display:flex;justify-content:space-between;align-items:center;gap:12px}
.ldl-result-head span{display:block;color:#e63946;font:700 9px Inter,sans-serif;text-transform:uppercase;letter-spacing:.07em}
.ldl-result-head h2{margin:3px 0 0;font-size:17px}
.ldl-result-head>b{padding:6px 9px;border-radius:99px;background:#eff6ff;color:#1e40af;font:700 9px Lexend,sans-serif}
.ldl-result-head>b.is-low{background:#dcfce7;color:#166534}
.ldl-result-head>b.is-mid{background:#fff7ed;color:#9a3412}
.ldl-result-head>b.is-high{background:#fff1f2;color:#be123c}
.ldl-result-head>b.is-limit{background:#f1f5f9;color:#475569}
.ldl-main-value{padding:17px 0 13px;text-align:center}
.ldl-main-value strong{color:#1d3557;font:800 44px Lexend,sans-serif}
.ldl-main-value>span{margin-left:5px;color:#64748b;font:600 12px Lexend,sans-serif}
.ldl-main-value p{margin:4px 0 0;color:#475569;font:600 11px Inter,sans-serif}
.ldl-result-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:7px}
.ldl-result-grid>div{padding:11px 8px;border:1px solid #e2e8f0;border-radius:9px;background:#f8fafc;text-align:center}
.ldl-result-grid span,.ldl-result-grid strong,.ldl-result-grid small{display:block}
.ldl-result-grid span{color:#94a3b8;font:8px Inter,sans-serif;text-transform:uppercase}
.ldl-result-grid strong{margin:4px 0 2px;color:#1d3557;font:700 15px Lexend,sans-serif}
.ldl-result-grid small{color:#64748b;font:8px/1.3 Inter,sans-serif}
.ldl-working{margin:10px 0;padding:11px;border-radius:8px;background:#1d3557}
.ldl-working span{display:block;margin-bottom:4px;color:#bfdbfe;font:700 8px Inter,sans-serif;text-transform:uppercase}
.ldl-working code{display:block;color:#fff;font:600 10px/1.5 monospace;overflow-wrap:anywhere}
.ldl-working-light{margin-top:7px;border:1px solid #bfdbfe;background:#eff6ff}
.ldl-working-light span{color:#1d4ed8}
.ldl-working-light code{color:#1e3a8a}
.ldl-result-note{margin-top:10px;padding:10px;border-left:4px solid #3b82f6;border-radius:7px;background:#eff6ff;color:#1e3a8a;font:10px/1.5 Inter,sans-serif}
.ldl-result-note.is-warning{border-color:#f59e0b;background:#fff7ed;color:#9a3412}
.ldl-result-note.is-danger{border-color:#e63946;background:#fff1f2;color:#881337}
.ldl-print{margin-top:9px}

.ldl-layout{display:grid;grid-template-columns:minmax(0,1fr) 290px;gap:30px;align-items:start}
.ldl-layout .main-article{min-width:0}
.ldl-note{margin:17px 0;padding:14px 16px;border:1px solid #bfdbfe;border-radius:10px;background:#eff6ff;color:#1e3a8a;font:12px/1.65 Inter,sans-serif}
.ldl-formula{margin:18px 0;padding:18px;border-radius:11px;background:#1d3557;color:#fff;text-align:center;font:700 17px/1.45 Lexend,sans-serif}
.ldl-formula-small{font-size:13px;overflow-wrap:anywhere}
.ldl-formula-light{border:1px solid #bfdbfe;background:#eff6ff;color:#1e3a8a}
.ldl-worked{margin:18px 0;padding:17px;border:1px solid #e2e8f0;border-radius:11px;background:#fff}
.ldl-worked>span{display:block;margin-bottom:11px;color:#e63946;font:700 10px Lexend,sans-serif;text-transform:uppercase}
.ldl-worked ol{margin:0;padding:0;list-style:none}
.ldl-worked li{display:grid;grid-template-columns:26px 1fr;gap:9px;align-items:center;padding:8px 0;border-bottom:1px solid #f1f5f9}
.ldl-worked li:last-child{border:0}
.ldl-worked li>b{display:flex;align-items:center;justify-content:center;width:24px;height:24px;border-radius:50%;background:#1d3557;color:#fff;font:700 9px Lexend,sans-serif}
.ldl-worked p{margin:0;font-size:11px}
.ldl-compare{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:17px 0}
.ldl-compare>div{padding:17px;border:1px solid #e2e8f0;border-radius:11px;background:#f8fafc}
.ldl-compare span{color:#e63946;font:700 9px Inter,sans-serif;text-transform:uppercase}
.ldl-compare h3{margin:5px 0;font-size:13px}
.ldl-compare p{font-size:11px}
.ldl-compare code{color:#1d3557;font-weight:700}
.ldl-context-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:17px 0}
.ldl-context-grid>div{padding:15px;border:1px solid #e2e8f0;border-top:3px solid #94a3b8;border-radius:10px;background:#fff}
.ldl-context-grid .within{border-top-color:#16a34a}
.ldl-context-grid .higher{border-top-color:#f59e0b}
.ldl-context-grid .limit{border-top-color:#e63946}
.ldl-context-grid span,.ldl-context-grid strong{display:block}
.ldl-context-grid span{color:#64748b;font:700 8px Inter,sans-serif;text-transform:uppercase}
.ldl-context-grid strong{margin:5px 0;color:#1d3557;font:700 13px Lexend,sans-serif}
.ldl-context-grid p{margin:0;font-size:10px}
.ldl-alert{margin:15px 0;padding:14px 16px;border-left:4px solid #e63946;border-radius:8px;background:#fff1f2;color:#881337;font:12px/1.6 Inter,sans-serif}
.ldl-conversion-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:17px 0}
.ldl-conversion-grid>div{padding:16px;border:1px solid #dbe3ed;border-radius:10px;background:#fff}
.ldl-conversion-grid span,.ldl-conversion-grid strong{display:block}
.ldl-conversion-grid span{color:#e63946;font:700 9px Inter,sans-serif;text-transform:uppercase}
.ldl-conversion-grid strong{margin:6px 0;color:#1d3557;font:700 13px Lexend,sans-serif}
.ldl-conversion-grid p{margin:0;font-size:10px}
.ldl-range-table{margin:17px 0;border:1px solid #dbe3ed;border-radius:10px;overflow:hidden;background:#fff}
.ldl-range-table>div{display:grid;grid-template-columns:.8fr .8fr 1.4fr}
.ldl-range-table>div>*{padding:10px 12px;border-bottom:1px solid #e2e8f0;font-size:11px}
.ldl-range-table>div:last-child>*{border-bottom:0}
.ldl-range-table>div:first-child{background:#1d3557;color:#fff}
.ldl-range-table>div:first-child>*{font:700 9px Lexend,sans-serif;text-transform:uppercase}
.ldl-range-table span{color:#475569}
.ldl-check{padding:0;list-style:none}
.ldl-check li{position:relative;margin-bottom:8px;padding:11px 12px 11px 36px;border-radius:8px;background:#f8fafc;font-size:12px}
.ldl-check li:before{content:'✓';position:absolute;left:12px;color:#16a34a;font-weight:800}
.ldl-faq details{border-bottom:1px solid #e2e8f0}
.ldl-faq summary{padding:14px 3px;cursor:pointer;color:#1d3557;font:600 13px Lexend,sans-serif}
.ldl-faq p{margin:0;padding:0 3px 14px;font-size:12px}
.ldl-sources li{margin-bottom:9px;font-size:12px}
.ldl-source-note{padding:11px;border-radius:8px;background:#f8fafc;color:#64748b;font-size:10px}
.ldl-author{display:grid;grid-template-columns:55px 1fr;gap:15px;margin-top:25px;padding:20px;border:1px solid #dbe3ed;border-radius:13px;background:#fff}
.ldl-avatar{display:flex;align-items:center;justify-content:center;width:52px;height:52px;border-radius:50%;background:#1d3557;color:#fff;font:800 15px Lexend,sans-serif}
.ldl-author>div>span{color:#e63946;font:700 9px Inter,sans-serif;text-transform:uppercase;letter-spacing:.06em}
.ldl-author h2{margin:4px 0 7px;font-size:16px}
.ldl-author h2 a{color:#1d3557;text-decoration:none}
.ldl-author p{margin:0 0 8px;font-size:11px}
.ldl-author-link{color:#1d4ed8;font:600 10px Lexend,sans-serif;text-decoration:none}
.ldl-sidebar nav{display:grid}
.ldl-sidebar .health-item{text-decoration:none}
.ldl-sidebar .health-icon{font-size:8px;font-weight:800}
.ldl-source-card p{font-size:11px}

@media(max-width:900px){
  .ldl-layout{grid-template-columns:1fr}
  .ldl-sidebar{position:static}
}
@media(max-width:700px){
  .ldl-fields,.ldl-context-grid{grid-template-columns:1fr}
}
@media(max-width:600px){
  .ldl-card{padding:17px}
  .ldl-actions,.ldl-compare,.ldl-conversion-grid{grid-template-columns:1fr}
  .ldl-result-grid{grid-template-columns:1fr 1fr}
  .ldl-main-value strong{font-size:38px}
  .ldl-stats{grid-template-columns:repeat(3,1fr)}
  .ldl-stats .stat-box{padding:9px 3px}
  .ldl-range-table>div{grid-template-columns:.75fr .75fr 1.5fr}
  .ldl-range-table>div>*{padding:9px 6px;font-size:9px}
  .ldl-author{grid-template-columns:1fr}
  .ldl-avatar{width:45px;height:45px}
}
@media print{
  header,footer,#progress-bar,.ldl-hero-grid>div:first-child,#ldl-form,.ldl-print,.ldl-content{display:none!important}
  .ldl-hero-grid{display:block!important}
  .ldl-card{box-shadow:none;border:0}
  .ldl-result{border:0}
}