.dimension-selector{margin-bottom:22px;display:flex;align-items:center;gap:24px}.dimension-selector label{font-size:14px;font-weight:600}.dimension-selector select{flex:1;min-width:0;max-width:550px;background:var(--paper);border:1px solid var(--line);border-radius:8px;padding:13px;color:var(--ink)}.dimension-result{background:#edf1e9;border:1px solid var(--line);border-radius:16px;padding:24px;display:grid;grid-template-columns:1fr 210px;gap:16px}.dimension-view,.dimension-width{min-width:0}.dimension-diagram{display:block;width:100%;height:auto}.dimension-front{display:block;width:100%;max-width:230px;height:auto;margin:auto}.dimension-caption{font-size:11px;text-align:center;color:var(--muted);margin:0}.dimension-values{display:grid;grid-template-columns:repeat(3,1fr);grid-column:1/-1;gap:12px}.dimension-values>div{background:#fff9;border-radius:9px;padding:16px 20px}.dimension-values small{font-size:12px;color:var(--muted);display:block;margin-bottom:5px}.dimension-values strong{font-size:32px;font-family:Manrope,sans-serif;letter-spacing:-1px}.dimension-values strong span{font-size:15px;font-weight:500}.dimension-result>.note{grid-column:1/-1;margin-top:0;background:white}.dimension-actions{margin:24px 0 32px}.dimension-tables{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-bottom:24px}.dimension-tables>.panel:first-child{grid-row:span 2}.dimension-tables .rules td:last-child{white-space:nowrap;text-align:right}.dimension-exceptions p{font-size:13px;line-height:1.8}.dimension-exceptions{margin-bottom:30px}.dimension-metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;border-top:1px solid var(--line);margin-top:14px;padding-top:12px}.dimension-metrics small{display:block;font-size:9px;color:var(--muted);margin-bottom:3px}.dimension-metrics strong{font-size:12px;font-weight:600}.dimension-question{margin:0 auto 30px;max-width:850px}.dimension-question-art{background:var(--sage);border-radius:9px;margin:18px 0;padding:12px}.dimension-question-art .dimension-front{max-height:190px}.dimension-question h2{font-size:24px;line-height:1.5}.dimension-question .answer{font-size:18px}.dimension-question .btn{margin-top:5px}.cheat-dimension-hero{display:grid;grid-template-columns:1fr 155px;gap:15px;max-height:210px;margin-bottom:18px}.cheat-dimension-hero .dimension-diagram{max-height:210px}.cheat-dimension-hero .dimension-front{max-height:160px}.cheat-longitudes{grid-row:span 2}
@media(max-width:1000px){header{flex-wrap:wrap}header nav{order:3;width:100%;justify-content:center;padding-top:8px}header .brand{flex:1}}
@media(max-width:720px){header nav{display:grid;grid-template-columns:repeat(3,1fr);gap:4px 8px;padding-top:0}header nav a{font-size:13px;min-height:44px}header nav a.active:after{bottom:0}.brand a{font-size:16px}.dimension-selector{align-items:stretch;flex-direction:column;gap:10px;padding:20px}.dimension-selector select{width:100%;max-width:100%;font-size:16px;min-height:48px}.dimension-result{grid-template-columns:1fr 115px;padding:16px;gap:12px}.dimension-view{grid-column:1/-1}.dimension-width{grid-column:1}.dimension-values{grid-column:2;grid-row:2;grid-template-columns:1fr;gap:8px}.dimension-values>div{padding:10px 12px}.dimension-values small{font-size:11px}.dimension-values strong{font-size:23px}.dimension-width{align-self:center}.dimension-front{max-width:170px}.dimension-caption{font-size:12px;line-height:1.6}.dimension-result>.note{font-size:13px}.dimension-actions .btn{width:100%}.dimension-tables{grid-template-columns:1fr}.dimension-tables>.panel:first-child{grid-row:auto}.dimension-tables .rules td:last-child{width:28%}.dimension-metrics small{font-size:11px}.dimension-metrics strong{font-size:13px}.dimension-question{padding:20px 16px}.dimension-question h2{font-size:22px}.dimension-question .quiz-top{font-size:12px;line-height:1.6}.dimension-question .answer{font-size:18px}.dimension-question-art{padding:5px}.dimension-exceptions p{font-size:14px}.cheat-dimension-hero{grid-template-columns:1fr 90px;gap:8px}.cheat-longitudes{grid-row:auto}}
@media print{body.print-cheatsheet .cheat-dimension-hero{grid-template-columns:1fr 34mm;height:39mm;max-height:39mm;margin-bottom:3mm}body.print-cheatsheet .cheat-dimension-hero .dimension-diagram{max-height:39mm}body.print-cheatsheet .cheat-dimension-hero .dimension-front{max-height:33mm}body.print-cheatsheet .cheat-longitudes{grid-row:span 2}body.print-cheatsheet .cheat-page:nth-child(3) .cheat-card td{font-size:8pt;padding:1.4mm 2mm}body.print-cheatsheet .cheat-page:nth-child(3) .cheat-extras p{font-size:7.5pt;line-height:1.4;margin:1.5mm 0}}

.dimension-practice-select{display:flex;align-items:center;gap:12px;font-size:13px}.dimension-practice-select select{padding:12px;border:1px solid var(--line);border-radius:8px;background:#fff;color:var(--ink);min-height:48px}
@media(max-width:720px){.dimension-practice-select{width:100%;flex-direction:column;align-items:stretch;gap:8px}.dimension-practice-select select{width:100%;font-size:16px}.dimension-diagram text[font-size="20"],.dimension-diagram text[font-size="18"]{font-size:28px}}
@media(max-width:380px){header .brand a{font-size:15px}header .brand{gap:7px}header .brand-mark{width:30px;height:30px;line-height:30px}header .progress-btn{gap:4px;padding:8px 7px}}