:root{--ink:#17303f;--ink-soft:#53656f;--navy:#132b3a;--amber:#f5aa22;--amber-soft:#fff2d5;--paper:#f3f2ed;--white:#fffefb;--line:#dfe2df;--green:#24865f;--shadow:0 12px 40px rgba(28,44,52,.08)}*{box-sizing:border-box}html{min-height:100%;scroll-behavior:smooth;scroll-padding-bottom:calc(env(safe-area-inset-bottom, 0px) + 260px)}body,html{background:var(--paper)}body{min-height:100dvh;margin:0;padding:env(safe-area-inset-top,0) env(safe-area-inset-right,0) env(safe-area-inset-bottom,0) env(safe-area-inset-left,0);color:var(--ink);font-family:Arial,Helvetica,sans-serif;-webkit-font-smoothing:antialiased}button,input,select,textarea{font:inherit}a,button{-webkit-tap-highlight-color:transparent}a{text-decoration:none}a,button{color:inherit}.shell{width:min(1160px,calc(100% - 40px));margin-inline:auto}.eyebrow{margin:0 0 10px;color:#b06f00;font-size:11px;font-weight:800;letter-spacing:.14em}.hero{padding-top:28px}.topline{justify-content:space-between}.home-actions,.topline{display:flex;align-items:center}.home-actions{gap:16px}.home-actions>a{color:var(--ink-soft);font-size:11px;font-weight:800}.brand{display:inline-flex;align-items:center;gap:11px}.brand-mark{display:grid;width:41px;height:41px;place-items:center;border-radius:11px;background:var(--amber);color:var(--navy);font-family:Georgia,serif;font-size:26px;font-weight:900;box-shadow:inset 0 -2px rgba(0,0,0,.08)}.brand>span:last-child{display:grid;line-height:1}.brand b{font-size:15px;letter-spacing:.14em}.brand small{margin-top:4px;color:#bd7600;font-size:8px;font-weight:900;letter-spacing:.27em}.free-pill{padding:8px 13px;border:1px solid #d7d8d3;border-radius:99px;background:rgba(255,255,255,.5);color:var(--ink-soft);font-size:11px;font-weight:700}.hero-copy{max-width:710px;margin:72px 0 36px}.hero-copy h1{margin:0;font-family:Georgia,Times New Roman,serif;font-size:clamp(46px,6.5vw,78px);font-weight:500;letter-spacing:-.045em;line-height:.97}.hero-copy h1 em{color:#b56d00;font-weight:500}.hero-copy>p:last-child{margin:25px 0 0;color:var(--ink-soft);font-size:17px;line-height:1.6}.searchbox{display:flex;min-height:72px;align-items:center;gap:18px;padding:0 22px;border:1px solid #d8dbd8;border-radius:14px;background:var(--white);box-shadow:var(--shadow)}.searchbox>span{color:#9a6709;font-size:35px;transform:rotate(-20deg)}.searchbox input{min-width:0;flex:1;border:0;outline:0;background:transparent;color:var(--ink);font-size:17px}.searchbox input::placeholder{color:#8d999d}.searchbox kbd{padding:7px 9px;border:1px solid #dddeda;border-radius:7px;background:#f6f5f1;color:#8d9698;font-size:11px}.content-section{padding-top:78px}.section-title{display:flex;align-items:end;justify-content:space-between;margin-bottom:25px}.guided-card h2,.related h2,.section-title h2{margin:0;font-family:Georgia,serif;font-size:31px;font-weight:500;letter-spacing:-.02em}.text-button{border:0;background:transparent;color:#8d5e07;cursor:pointer;font-size:13px;font-weight:700}.text-button span{margin-left:7px}.category-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:12px}.category-card{display:flex;min-height:170px;flex-direction:column;align-items:flex-start;padding:20px;border:1px solid var(--line);border-radius:13px;background:rgba(255,255,255,.65);cursor:pointer;text-align:left;transition:.18s ease}.category-card.active,.category-card:hover{border-color:#e0ad55;background:var(--white);transform:translateY(-3px);box-shadow:var(--shadow)}.category-glyph{display:grid;width:42px;height:42px;margin-bottom:19px;place-items:center;border-radius:10px;background:var(--amber-soft);color:#aa6900;font-family:Georgia,serif;font-size:25px}.category-card>span:nth-child(2){min-height:36px;font-size:14px;font-weight:800;line-height:1.25}.category-card small{margin-top:auto;color:#8a989d;font-size:10px}.category-card small b{margin-left:4px;color:#c37a00;font-size:15px}.tool-grid{display:grid;min-width:0;grid-template-columns:repeat(2,minmax(0,1fr));gap:13px}.tool-card{position:relative;display:flex;min-width:0;min-height:137px;align-items:center;border:1px solid var(--line);border-radius:14px;background:var(--white);transition:.18s ease}.tool-card:hover{border-color:#d3b071;transform:translateY(-2px);box-shadow:var(--shadow)}.pro-tool-card{border-color:#d9c89f;background:linear-gradient(135deg,var(--white),#fff8e9)}.pro-tool-card .tool-icon{background:var(--navy);color:var(--amber)}.tool-card-main{display:flex;min-width:0;flex:1;align-items:center;gap:18px;padding:23px 68px 23px 23px}.tool-icon{display:grid;flex:0 0 auto;width:53px;height:53px;place-items:center;border-radius:13px;background:var(--amber-soft);color:#a36500}.tool-icon.large{width:68px;height:68px;border-radius:16px}.tool-card-main>span:last-child{min-width:0}.related small,.tool-card small{display:block;margin-bottom:7px;color:#a96a00;font-size:9px;font-weight:800;letter-spacing:.11em;text-transform:uppercase}.tool-card strong{display:block;font-family:Georgia,serif;font-size:19px;font-weight:600}.tool-card p{margin:6px 0 0;overflow:hidden;color:var(--ink-soft);font-size:12px;text-overflow:ellipsis;white-space:nowrap}.favorite{position:absolute;top:15px;right:15px;border:0;background:transparent;color:#9da6a8;cursor:pointer;font-size:23px}.favorite.selected{color:var(--amber)}.open-tool{position:absolute;right:20px;bottom:18px;color:#b26d00;font-weight:800}.guided-card{display:grid;grid-template-columns:auto 1fr 1.15fr;gap:26px;align-items:center;margin-top:90px;margin-bottom:90px;padding:35px;border-radius:18px;background:var(--navy);color:white;box-shadow:0 22px 50px rgba(19,43,58,.18)}.guided-card .eyebrow{color:var(--amber)}.guided-card p:last-child{margin:9px 0 0;color:#b7c1c6;font-size:13px;line-height:1.5}.guided-icon{display:grid;width:60px;height:60px;place-items:center;border:1px solid rgba(245,170,34,.45);border-radius:50%;background:rgba(245,170,34,.1);color:var(--amber);font-size:25px}.guided-links{display:grid;grid-template-columns:1fr 1fr;gap:7px}.guided-links button{display:flex;min-height:46px;align-items:center;justify-content:space-between;padding:0 13px;border:1px solid #38505d;border-radius:8px;background:#203b4a;color:#eef2f2;cursor:pointer;font-size:11px;text-align:left}.guided-links button:hover{border-color:var(--amber)}.guided-links span{color:var(--amber)}.pro-section-note{color:#78868b;font-size:11px}.pro-preview-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:13px}.pro-preview-card{min-height:220px;padding:22px;border:1px solid #d9dbd8;border-radius:14px;background:linear-gradient(145deg,#fffefb,#ecebe5)}.pro-preview-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:28px}.pro-preview-top span{padding:5px 8px;border-radius:5px;background:var(--navy);color:var(--amber);font-size:9px;font-weight:900;letter-spacing:.12em}.pro-preview-top i{color:#a97113;font-size:21px;font-style:normal}.pro-preview-card>strong{display:block;font-family:Georgia,serif;font-size:20px}.pro-preview-card>p{min-height:42px;margin:8px 0;color:var(--ink-soft);font-size:12px;line-height:1.5}.pro-preview-card>small{color:#8b969a;font-size:9px}.pro-preview-card>button{display:flex;width:100%;align-items:center;justify-content:space-between;margin-top:20px;padding:12px 0 0;border:0;border-top:1px solid #dddedb;background:transparent;color:#8c5b08;font-size:10px;font-weight:700;opacity:.75}footer{background:#e9e8e3}.footer-inner{display:flex;min-height:180px;align-items:center;gap:55px}.footer-inner>p{color:var(--ink-soft);font-size:12px;line-height:1.6}.offline-badge{margin-left:auto;color:var(--ink-soft);font-size:11px}.offline-badge i{display:inline-block;width:7px;height:7px;margin-right:7px;border-radius:50%;background:var(--green)}.footer-bottom{display:flex;justify-content:space-between;padding-block:16px;border-top:1px solid #d5d6d2;color:#758287;font-size:9px}.calculator-page{min-height:100vh}.calculator-header{display:flex;height:82px;align-items:center;justify-content:space-between}.all-tools{color:#697980;font-size:12px;font-weight:700}.all-tools span{display:inline-grid;width:28px;height:28px;margin-left:9px;place-items:center;border:1px solid #d7d9d6;border-radius:50%}.tool-hero{padding:32px 0 42px;border-block:1px solid #dedfdb;background:#ecebe6}.breadcrumb{display:inline-block;margin-bottom:30px;color:#7a878c;font-size:11px}.tool-heading{display:flex;align-items:center;gap:21px}.tool-heading h1{margin:0;font-family:Georgia,serif;font-size:clamp(34px,4vw,52px);font-weight:500;letter-spacing:-.03em}.tool-heading div>p:last-child{margin:10px 0 0;color:var(--ink-soft);font-size:14px}.calculator-grid{display:grid;grid-template-columns:390px minmax(0,1fr);gap:20px;align-items:start;padding-top:35px}.input-panel,.output-panel{border:1px solid var(--line);border-radius:15px;background:var(--white);box-shadow:0 8px 30px rgba(28,44,52,.04)}.input-panel{padding:26px}.panel-heading{display:flex;align-items:center;gap:13px;padding-bottom:22px;border-bottom:1px solid #e5e5e1}.panel-heading>span{display:grid;width:30px;height:30px;place-items:center;border-radius:50%;background:var(--amber);font-size:12px;font-weight:900}.panel-heading .eyebrow{margin-bottom:3px;font-size:9px}.panel-heading h2{margin:0;font-family:Georgia,serif;font-size:20px;font-weight:600}.fields{display:grid;gap:17px;padding:23px 0}.field>span{display:block;margin-bottom:8px;color:#53646c;font-size:11px;font-weight:700}.field>div{display:flex;overflow:hidden;border:1px solid #d9dcd9;border-radius:9px;background:white}.field input,.field select{width:100%;min-height:53px;padding:0 14px;border:0;outline:0;background:white;color:var(--ink);font-size:21px;font-weight:700;scroll-margin-block:120px 300px}.field select{padding-right:38px;font-size:13px}.field input:focus,.field select:focus{box-shadow:inset 0 0 0 2px var(--amber)}.field b{display:grid;min-width:55px;place-items:center;background:#f0efea;color:#65747a;font-size:12px}.field small{display:block;margin-top:5px;color:#849095;font-size:10px}.reset-button{width:100%;min-height:44px;border:1px solid #dcdedb;border-radius:8px;background:transparent;color:#748187;cursor:pointer;font-size:11px}.output-panel{min-height:560px;overflow:hidden}.result-tabs{display:grid;grid-template-columns:repeat(3,1fr);min-height:58px;padding:7px;border-bottom:1px solid var(--line);background:#f4f3ef}.result-tabs.reduced{grid-template-columns:repeat(auto-fit,minmax(120px,1fr))}.result-tabs button{border:0;border-radius:8px;background:transparent;color:#768389;cursor:pointer;font-size:11px;font-weight:700}.result-tabs button.active{background:var(--white);color:var(--ink);box-shadow:0 2px 8px rgba(20,40,50,.08)}.diagram-content,.result-content,.steps-content{padding:38px}.result-lines{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.result-lines>div{min-width:0;padding:18px;border:1px solid #e1e2df;border-radius:10px;background:#f8f7f3}.result-lines>div.primary{grid-column:1/-1;padding:25px;border-color:#f2c46e;background:var(--amber-soft)}.result-lines span{display:block;margin-bottom:8px;color:#718086;font-size:10px;font-weight:700;text-transform:uppercase}.result-lines strong{display:block;overflow-wrap:anywhere;font-family:Georgia,serif;font-size:23px;font-weight:600}.result-lines .primary strong{color:#8c5600;font-size:clamp(36px,5vw,55px)}.result-note{margin:19px 0;padding:14px;border-left:3px solid var(--amber);background:#f4f3ef;color:#5f7077;font-size:11px;line-height:1.55}.next-tab{display:flex;width:100%;min-height:48px;align-items:center;justify-content:space-between;padding:0 17px;border:0;border-radius:8px;background:var(--navy);color:white;cursor:pointer;font-size:12px;font-weight:700}.next-tab span{color:var(--amber)}.calculation-error{margin:35px;padding:20px;border:1px solid #e5b6a8;border-radius:10px;background:#fff2ee;color:#8c3d25}.calculation-error p{margin-bottom:0;font-size:12px}.technical-diagram{width:100%;height:auto;max-height:380px;border-radius:10px;background:#fbfaf6}.technical-diagram .shape{fill:none;stroke:var(--ink);stroke-width:2.5}.technical-diagram .fill{fill:var(--amber-soft)}.technical-diagram .accent{stroke:var(--amber);stroke-width:4}.technical-diagram .construction{fill:none;stroke:#9ba5a8;stroke-width:1.2;stroke-dasharray:6 5}.technical-diagram .dimension{fill:none;stroke:#b16d00;stroke-width:1.4}.technical-diagram .construction,.technical-diagram .dimension,.technical-diagram .shape{vector-effect:non-scaling-stroke}.technical-diagram text{fill:#53646c;font:12px Arial,sans-serif}.diagram-legend{display:flex;gap:25px;justify-content:center;margin-top:18px;color:#7b878c;font-size:10px}.diagram-legend i{display:inline-block;width:20px;margin-right:7px;border-top:1px dashed #9ba5a8;vertical-align:middle}.diagram-legend i.solid{border-top:2px solid var(--ink)}.steps-content h2{margin:0 0 25px;font-family:Georgia,serif;font-size:28px;font-weight:500}.steps-content ol{display:grid;gap:9px;margin:0;padding:0;list-style:none}.steps-content li{display:flex;align-items:center;gap:14px;padding:12px;border:1px solid #e2e3df;border-radius:9px}.steps-content li>span{display:grid;flex:0 0 auto;width:30px;height:30px;place-items:center;border-radius:50%;background:var(--amber-soft);color:#a36300;font-size:11px;font-weight:900}.steps-content li p{margin:0;color:#51636b;font-size:12px;line-height:1.5}.site-controls{margin-top:18px;padding:15px;border-radius:9px;background:#edf6f1;color:#31644f;font-size:11px}.site-controls strong{display:block;margin-bottom:7px;text-transform:uppercase;letter-spacing:.08em}.site-controls p{margin:4px 0}.promotion-wrap{margin-top:22px}.elsatia-promotion{display:grid;grid-template-columns:155px 1fr auto;gap:22px;align-items:center;padding:20px 23px;border:1px solid #d9dcd9;border-radius:12px;background:rgba(255,255,255,.58)}.promotion-brand{color:#6f7d82;font-size:9px;font-weight:900;letter-spacing:.11em}.promotion-brand b{display:block;margin-top:4px;color:#ad6a00}.elsatia-promotion strong{font-family:Georgia,serif;font-size:17px}.elsatia-promotion p{margin:5px 0 0;color:#6c7b80;font-size:10px}.elsatia-promotion a{color:#8c5c08;font-size:10px;font-weight:800}.elsatia-promotion a span{margin-left:6px}.related{padding-block:80px}.related>div{display:grid;grid-template-columns:repeat(3,1fr);gap:11px;margin-top:24px}.related a{display:flex;align-items:center;gap:13px;min-height:90px;padding:17px;border:1px solid var(--line);border-radius:11px;background:var(--white)}.related a>svg{color:#a66600}.related a span{min-width:0;flex:1}.related a strong{display:block;font-family:Georgia,serif;font-size:16px}.related a>b{color:#b26d00}.locked-pro{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(280px,.8fr);gap:25px;padding-block:42px 80px}.locked-pro-copy,.locked-pro-preview{padding:38px;border:1px solid var(--line);border-radius:16px;background:var(--white);box-shadow:var(--shadow)}.locked-pro-copy h2{max-width:620px;margin:18px 0 12px;font-family:Georgia,serif;font-size:34px;font-weight:500}.locked-pro-copy li,.locked-pro-copy p{color:var(--ink-soft);font-size:13px;line-height:1.65}.locked-pro-copy ul{padding-left:20px}.locked-pro-copy button{margin-top:15px;padding:14px 18px;border:0;border-radius:8px;background:var(--navy);color:white;opacity:.65}.pro-badge{display:inline-block;padding:6px 9px;border-radius:5px;background:var(--navy);color:var(--amber);font-size:9px;font-weight:900;letter-spacing:.13em}.locked-pro-preview{display:grid;place-items:center;align-content:center;gap:16px;min-height:340px;background:radial-gradient(circle,#fff8e9,#ebe9e2);color:#97600b;text-align:center}.locked-pro-preview strong{color:var(--ink);font-family:Georgia,serif;font-size:24px}.locked-pro-preview small{max-width:260px;color:var(--ink-soft);line-height:1.5}.pro-grid{grid-template-columns:360px minmax(0,1fr)}.pro-output{min-height:680px}.pro-tabs{grid-template-columns:repeat(4,1fr)}.advanced-plan{min-width:0}.plan-toolbar{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:12px}.layer-toggles{display:flex;flex-wrap:wrap;gap:5px}.layer-toggles button,.zoom-controls button{min-height:34px;padding:0 10px;border:1px solid #d9dcd9;border-radius:7px;background:white;color:#68777d;cursor:pointer;font-size:9px;font-weight:700}.layer-toggles button.active{border-color:#d9a54e;background:var(--amber-soft);color:#875400}.zoom-controls{display:flex;flex:0 0 auto;align-items:center;gap:4px}.zoom-controls output{min-width:48px;color:var(--ink-soft);font-size:9px;text-align:center}.plan-viewport{max-height:540px;overflow:auto;border:1px solid #e1e2de;border-radius:10px;background:#fbfaf6;touch-action:pan-x pan-y pinch-zoom}.advanced-plan-svg{display:block;width:100%;min-width:620px;height:auto}.advanced-plan-svg circle,.advanced-plan-svg ellipse,.advanced-plan-svg line,.advanced-plan-svg path{vector-effect:non-scaling-stroke}.plan-shape{fill:none;stroke:var(--ink);stroke-width:2.5}.plan-construction{fill:none;stroke:#9ba5a8;stroke-width:1.15;stroke-dasharray:6 5}.plan-axes{stroke:#d09a39;stroke-width:1;stroke-dasharray:10 5 2 5}.plan-dimensions{fill:none;stroke:#a96700;stroke-width:1.2}.plan-dimensions text,.plan-points text{fill:#435861;stroke:none;font:11px Arial,sans-serif;paint-order:stroke;stroke:#fbfaf6;stroke-width:4px;stroke-linejoin:round}.plan-dimensions text{text-anchor:middle}.plan-points circle{fill:var(--amber);stroke:var(--navy);stroke-width:1.2}.coordinates-content{padding:32px}.coordinates-content h2{margin:0;font-family:Georgia,serif;font-size:28px;font-weight:500}.coordinates-content>p:not(.eyebrow){color:var(--ink-soft);font-size:11px}.coordinate-table{overflow:hidden;margin-top:20px;border:1px solid var(--line);border-radius:9px}.coordinate-table>div{display:grid;grid-template-columns:.7fr repeat(4,1fr);gap:8px;padding:10px 12px;border-bottom:1px solid #e5e5e1;font-size:10px}.coordinate-table>div:last-child{border-bottom:0}.coordinate-head{background:#f1f0eb;color:#64747a;font-weight:800}.site-step-mode{padding:36px}.step-progress{display:flex;align-items:center;gap:12px;margin-bottom:28px;color:var(--ink-soft);font-size:10px;font-weight:800}.step-progress progress{flex:1;height:6px;accent-color:var(--amber)}.site-step-mode h2{margin:0;font-family:Georgia,serif;font-size:32px;font-weight:500}.step-instruction{min-height:80px;margin:18px 0;color:var(--ink-soft);font-size:17px;line-height:1.55}.step-measures{display:flex;flex-wrap:wrap;gap:9px;align-items:center;padding:15px;border-radius:9px;background:var(--amber-soft)}.step-measures strong{margin-right:6px;color:#885500;font-size:10px;text-transform:uppercase}.step-measures span{padding:7px 10px;border-radius:6px;background:white;color:var(--navy);font-weight:800}.step-control{padding:12px;border-radius:8px;background:#edf6f1;color:#31644f;font-size:11px}.step-actions{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:30px}.step-actions button{min-height:52px;border:1px solid var(--navy);border-radius:9px;background:white;color:var(--navy);cursor:pointer;font-weight:800}.step-actions button:last-child{background:var(--navy);color:white}.step-actions button:disabled{opacity:.35}.account-page{min-height:100vh;background:var(--paper,#f3f2ed)}.account-card{max-width:720px;margin-top:42px;padding:28px;border:1px solid var(--line);border-radius:14px;background:white;box-shadow:0 12px 35px rgba(18,39,47,.07)}.account-card form{display:grid;gap:18px;max-width:460px}.account-card h2{margin:0;font-family:Georgia,serif;font-size:30px;font-weight:500}.account-card form>p{margin:0;color:var(--ink-soft)}.account-card label{display:grid;gap:7px;color:var(--navy);font-size:12px;font-weight:800}.account-card input{min-height:46px;padding:0 13px;border:1px solid var(--line);border-radius:8px;font:inherit}.account-card button{min-height:44px;padding:0 18px;border:0;border-radius:8px;background:var(--navy);color:white;cursor:pointer;font-weight:800}.account-card button:disabled{opacity:.45;cursor:default}.account-identity{display:flex;gap:18px;align-items:center}.account-identity>span{display:grid;width:54px;height:54px;place-items:center;border-radius:50%;background:var(--amber);color:var(--navy);font-size:22px;font-weight:900}.account-identity div{display:grid;gap:5px}.account-identity small{color:var(--ink-soft);font-weight:900}.account-identity strong{font-size:18px}.account-identity p{margin:0;color:var(--ink-soft);font-size:12px}.account-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}.account-actions .secondary{border:1px solid var(--navy);background:white;color:var(--navy)}.account-error,.account-warning{padding:12px;border-radius:7px;background:#fff4d8;color:#704900!important;font-size:12px}.account-error{background:#fff0ef;color:#8a2922!important}.monetization-panel{margin-block:26px 80px;padding:28px;border:1px solid var(--line);border-radius:14px;background:white}.monetization-panel h2{margin:7px 0 9px;font-family:Georgia,serif;font-size:30px;font-weight:500}.monetization-panel>p:not(.eyebrow){color:var(--ink-soft);line-height:1.6}.pricing-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:24px}.pricing-grid article{padding:22px;border:1px solid var(--line);border-radius:12px}.pricing-grid small{color:#9a6400;font-weight:900;letter-spacing:.1em}.pricing-grid h3{margin:8px 0;font-size:20px}.pricing-grid strong{font-family:Georgia,serif;font-size:25px;font-weight:500}.pricing-grid ul,.pricing-grid>article>span{color:var(--ink-soft);font-size:12px}.pricing-grid ul{min-height:76px;padding-left:18px;line-height:1.7}.pricing-grid button,.restore-purchases{min-height:44px;padding:0 16px;border:0;border-radius:8px;background:var(--navy);color:white;cursor:pointer;font-weight:800}.pricing-grid button:disabled,.restore-purchases:disabled{opacity:.45;cursor:default}.restore-purchases{margin-top:16px;border:1px solid var(--navy);background:white;color:var(--navy)}.active-sources{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}.active-sources span{padding:8px 11px;border-radius:999px;background:#eef4ef;color:#31573c;font-size:11px;font-weight:800}.double-source-note,.legal-links,.monetization-feedback{font-size:11px}.legal-links{display:flex;flex-wrap:wrap;gap:15px;margin-top:18px}.legal-links a{color:#81550b;text-decoration:underline}.calculator-nav{display:flex;align-items:center;gap:22px;color:#697980;font-size:12px;font-weight:700}.project-toolbar{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-top:26px;padding:18px 20px;border:1px solid #d8dbd8;border-radius:12px;background:var(--white)}.project-toolbar>div:first-child{display:flex;min-width:0;align-items:center;gap:12px}.project-toolbar .eyebrow{margin:0}.export-toolbar>div:last-child,.project-toolbar>div:last-child{display:flex;flex-wrap:wrap;gap:7px}.export-toolbar button,.project-more button,.project-primary-actions button,.project-toolbar button,.save-project-panel button{min-height:39px;padding:0 13px;border:1px solid #ced3d1;border-radius:7px;background:white;cursor:pointer;font-size:10px;font-weight:800}.export-toolbar button:first-child,.project-toolbar button:first-child,.save-project-panel div button:last-child{border-color:var(--navy);background:var(--navy);color:white}.project-toolbar button:disabled{cursor:not-allowed;opacity:.38}.dirty-state{flex:0 0 auto;padding:5px 8px;border-radius:99px;background:#fff0ce;color:#8b5700;font-size:9px;font-weight:800}.save-project-panel{display:grid;grid-template-columns:1fr 1fr 1.4fr auto;gap:12px;align-items:end;margin-top:10px;padding:18px;border:1px solid #d8c18f;border-radius:12px;background:#fff9ec}.project-controls label,.save-project-panel label{display:grid;gap:6px;color:#5e6f76;font-size:10px;font-weight:800}.project-controls input,.project-controls select,.save-project-panel input,.save-project-panel textarea{width:100%;min-height:42px;padding:9px 11px;border:1px solid #d6dad7;border-radius:7px;background:white;color:var(--ink);outline:0}.save-project-panel textarea{min-height:42px;resize:vertical}.project-controls input:focus,.project-controls select:focus,.save-project-panel input:focus,.save-project-panel textarea:focus{border-color:var(--amber);box-shadow:0 0 0 2px rgba(245,170,34,.18)}.save-project-panel>div{display:flex;gap:7px}.project-feedback{min-height:18px;margin-top:9px;margin-bottom:0;color:#4c6d5e;font-size:10px}.export-toolbar{display:flex;align-items:center;justify-content:space-between;gap:24px;margin-top:24px;margin-bottom:70px;padding:27px;border-radius:14px;background:var(--navy);color:white}.export-toolbar .eyebrow{color:var(--amber)}.export-toolbar h2{margin:0;font-family:Georgia,serif;font-size:25px;font-weight:500}.export-toolbar p:last-child{margin:7px 0 0;color:#b7c1c6;font-size:10px}.export-toolbar button{border-color:#425864;background:#203b4a;color:white}.export-toolbar button:first-child{border-color:var(--amber);background:var(--amber);color:var(--navy)}.projects-title{margin:0;font-family:Georgia,serif;font-size:clamp(40px,6vw,62px);font-weight:500;letter-spacing:-.035em}.projects-hero{display:flex;align-items:center;justify-content:space-between;gap:30px}.projects-hero p:last-child{color:var(--ink-soft)}.import-project{position:relative;display:inline-grid;min-height:44px;place-items:center;padding:0 17px;overflow:hidden;border-radius:8px;background:var(--navy);color:white;cursor:pointer;font-size:11px;font-weight:800}.import-project input{position:absolute;width:1px;height:1px;opacity:0}.project-controls{display:grid;grid-template-columns:minmax(220px,1fr) 190px 220px;gap:12px;padding-top:28px}.project-list{display:grid;gap:12px;padding-bottom:80px}.project-card{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:16px;align-items:center;padding:20px;border:1px solid var(--line);border-radius:13px;background:var(--white)}.project-card-main{display:flex;min-width:0;align-items:center;gap:16px}.project-card-main>div{min-width:0}.project-card-main small{color:#a96a00;font-size:9px;font-weight:900;letter-spacing:.1em}.project-card-main h2{margin:5px 0;overflow:hidden;font-family:Georgia,serif;font-size:21px;font-weight:600;text-overflow:ellipsis;white-space:nowrap}.project-card-main p,.project-card-main time{margin:3px 0;color:var(--ink-soft);font-size:10px}.project-primary-actions{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:6px}.project-primary-actions a{display:inline-grid;min-height:39px;place-items:center;padding:0 14px;border-radius:7px;background:var(--navy);color:white;font-size:10px;font-weight:800}.project-more{grid-column:1/-1;border-top:1px solid #e4e5e2}.project-more summary{width:max-content;margin-top:10px;color:#68777d;cursor:pointer;font-size:10px;font-weight:800}.project-more>div{display:flex;flex-wrap:wrap;gap:6px;padding-top:10px}.project-more .danger{border-color:#e1b4aa;color:#9a402c}.empty-projects{grid-column:1/-1;padding:70px 25px;border:1px dashed #cfd4d1;border-radius:14px;color:var(--ink-soft);text-align:center}.empty-projects>span{color:var(--amber);font-size:52px}.empty-projects h2{margin:12px 0 6px;color:var(--ink);font-family:Georgia,serif;font-size:27px;font-weight:500}.empty-projects p{font-size:12px}.empty-projects a{display:inline-block;margin-top:9px;color:#96600c;font-size:11px;font-weight:800}.locked-projects{display:grid;grid-template-columns:1fr 1fr;gap:14px;padding-block:40px 80px}.offline-page{display:grid;min-height:100vh;place-items:center;padding:30px;text-align:center}.offline-page>.brand{position:absolute;top:25px;left:25px}.offline-page>div{max-width:480px}.offline-page>div>span{color:var(--amber);font-size:60px}.offline-page h1{font-family:Georgia,serif;font-size:43px;font-weight:500}.offline-page p{color:var(--ink-soft);line-height:1.7}.offline-page div a{display:inline-block;margin-top:12px;padding:14px 22px;border-radius:8px;background:var(--navy);color:white}@media (max-width:900px){.category-grid{grid-template-columns:repeat(3,1fr)}.calculator-grid{grid-template-columns:330px minmax(0,1fr)}.guided-card{grid-template-columns:auto 1fr}.guided-links{grid-column:1/-1}.pro-preview-grid{grid-template-columns:1fr 1fr}.pro-grid{grid-template-columns:310px minmax(0,1fr)}.plan-toolbar{align-items:flex-start;flex-direction:column}}@media (max-width:680px){.shell{width:min(100% - 24px,1160px)}.hero{padding-top:18px}.hero-copy{margin:54px 0 27px}.hero-copy h1{font-size:47px}.hero-copy>p:last-child{font-size:14px}.searchbox{min-height:61px;padding:0 15px}.searchbox input{font-size:14px}.searchbox kbd{display:none}.content-section{padding-top:58px}.guided-card h2,.related h2,.section-title h2{font-size:26px}.category-grid{grid-template-columns:repeat(2,1fr)}.category-card{min-height:145px;padding:16px}.tool-grid{grid-template-columns:minmax(0,1fr)}.tool-card{min-height:125px}.guided-card{grid-template-columns:1fr;margin-block:60px;padding:25px 20px}.guided-links{grid-column:auto;grid-template-columns:1fr}.pro-section-note{display:none}.locked-pro,.pro-preview-grid{grid-template-columns:1fr}.locked-pro{padding-block:24px 55px}.locked-pro-copy,.locked-pro-preview{padding:24px 20px}.locked-pro-copy h2{font-size:29px}.pro-grid{grid-template-columns:minmax(0,1fr)}.pro-tabs{grid-template-columns:repeat(2,1fr)}.advanced-plan-svg{min-width:560px}.coordinates-content,.site-step-mode{padding:24px 18px}.coordinate-table{overflow-x:auto}.coordinate-table>div{min-width:570px}.step-instruction{min-height:0;font-size:15px}.elsatia-promotion{grid-template-columns:1fr;gap:10px}.footer-inner{min-height:220px;flex-direction:column;align-items:flex-start;justify-content:center;gap:18px}.offline-badge{margin-left:0}.calculator-header{height:70px}.home-actions{gap:9px}.home-actions>a{font-size:10px}.calculator-nav{gap:10px}.calculator-nav .all-tools{display:none}.tool-hero{padding:22px 0 30px}.breadcrumb{margin-bottom:22px}.tool-heading{align-items:flex-start}.tool-icon.large{width:55px;height:55px}.tool-heading h1{font-size:34px}.calculator-grid{grid-template-columns:1fr;padding-top:17px}.input-panel{padding:19px}.output-panel{min-height:470px}.diagram-content,.result-content,.steps-content{padding:24px 18px}.result-tabs button{font-size:10px}.result-lines{grid-template-columns:1fr}.result-lines>div.primary{grid-column:auto}.result-lines .primary strong{font-size:38px}.related{padding-block:55px}.related>div{grid-template-columns:1fr}.export-toolbar,.project-toolbar,.projects-hero{align-items:stretch;flex-direction:column}.project-toolbar>div:first-child{align-items:flex-start;flex-direction:column}.export-toolbar>div:last-child,.project-toolbar>div:last-child{display:grid;grid-template-columns:1fr 1fr}.save-project-panel{grid-template-columns:1fr}.save-project-panel>div{display:grid;grid-template-columns:1fr 1fr}.project-controls input,.project-controls select,.save-project-panel input,.save-project-panel textarea{font-size:16px}.project-controls{grid-template-columns:1fr 1fr}.project-search{grid-column:1/-1}.project-card{grid-template-columns:1fr;padding:16px}.project-primary-actions{display:grid;grid-template-columns:repeat(2,1fr)}.project-primary-actions>*{width:100%}.project-more{grid-column:auto}.locked-projects,.pricing-grid{grid-template-columns:1fr}.monetization-panel{padding:22px 18px}}@media print{body{padding:0;background:white}.calculator-header,.export-toolbar,.input-panel,.plan-toolbar,.project-feedback,.project-toolbar,.result-tabs,.save-project-panel{display:none!important}.tool-hero{padding:10mm 0 5mm;background:white}.calculator-grid,.pro-grid{display:block;padding:0}.output-panel{min-height:0;border:0;box-shadow:none}.diagram-content{padding:8mm 0}.plan-viewport{max-height:none;overflow:visible;border:0}.advanced-plan-svg{min-width:0}}@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}