:root{--orange:#ff790b;--ink:#101c30;--muted:#536683}*{box-sizing:border-box}body{margin:0;font:15px 'Segoe UI',Arial,sans-serif;color:var(--ink);background:linear-gradient(135deg,#eef3fa,#fafafa)}header{height:78px;position:fixed;inset:0 0 auto;z-index:5;background:linear-gradient(110deg,#122031,#28384b);display:flex;align-items:center;gap:36px;padding-right:30px;color:white;box-shadow:0 2px 8px #0002}.brand{position:relative;width:255px;flex-shrink:0;height:78px;background:#111e2c;padding:10px 20px 0;color:white;text-decoration:none;font-size:32px;font-weight:700}.brand>span{font-size:43px;color:var(--orange);vertical-align:middle}.brand b{color:var(--orange)}.brand small{display:block;font-size:9px;font-weight:400;letter-spacing:1px;margin-left:47px;margin-top:-4px}header input{background:#e9eef6;border:0;border-radius:9px;padding:13px 16px;width:350px;max-width:30vw;font:inherit}header nav{display:flex;gap:24px;margin-left:auto;align-items:center}header nav a,header nav button{color:white;text-decoration:none;font:inherit;background:none;border:0;cursor:pointer;white-space:nowrap}aside{position:fixed;top:78px;bottom:0;left:0;width:255px;background:linear-gradient(130deg,#122031,#1b2938);padding:22px 12px;color:#eaf0f8;overflow:auto}aside button{display:block;width:100%;padding:12px 15px;text-align:left;background:none;border:1px solid transparent;border-radius:6px;color:inherit;font:inherit;cursor:pointer}aside button span{display:inline-block;width:30px;font-size:20px;color:#a9b6c6}aside button:hover{background:#ffffff0c}aside button.active{background:#ff790b20;border-color:#ff790b;color:white}aside button.active span{color:var(--orange)}aside hr{border:0;border-top:1px solid #536070;margin:24px 10px}.motto{font-family:Georgia,serif;font-style:italic;font-size:25px;line-height:1.25;padding:10px 30px;transform:rotate(-8deg)}.motto span{display:block;background:var(--orange);width:110px;height:3px;margin-top:12px}main{margin:78px 0 0 255px;padding:24px;max-width:1700px}.hero{position:relative;padding:0 15px 24px;overflow:hidden}.hero:after{content:'';position:absolute;right:-40px;top:-70px;width:450px;height:250px;background:repeating-linear-gradient(25deg,transparent 0 24px,#aac1d31a 25px 26px),repeating-linear-gradient(115deg,transparent 0 28px,#aac1d326 29px 30px);transform:rotate(-12deg);z-index:-1}.breadcrumb{font-size:14px;margin-bottom:15px;color:var(--muted)}h1{font-size:43px;letter-spacing:-1.4px;margin:0 0 5px;max-width:85%}.hero>p:last-of-type{font-size:20px;margin:0;color:var(--muted)}.hero-rule{position:absolute;right:25px;top:40px;font:italic 20px Georgia;color:#394960;transform:rotate(-9deg)}.hero-rule span{display:block;width:110px;height:3px;background:var(--orange);margin-top:10px}.layout{display:grid;grid-template-columns:1fr 1.04fr;gap:16px}.panel{background:#ffffffed;border:1px solid #e6edf7;border-radius:12px;padding:22px;box-shadow:0 4px 20px #263d5905}.heading{display:flex;gap:18px;align-items:center;margin-bottom:27px}.tile{display:grid;place-items:center;width:64px;height:64px;flex-shrink:0;border-radius:9px;font-size:40px;color:white}.orange{background:var(--orange)}.blue{background:#087aff}h2{font-size:24px;letter-spacing:-.5px;margin:0 0 5px}p{line-height:1.5}.heading p{margin:0;color:var(--muted)}.fields{display:grid;grid-template-columns:1fr 1fr;gap:18px 22px}label{display:grid;gap:7px;font-weight:600;font-size:14px}label small{color:var(--muted);font-weight:400;font-size:12px}input,select{font:inherit;min-width:0;width:100%;padding:12px 13px;border-radius:7px;border:1px solid #d9e1ee;background:white;color:var(--ink)}input:focus,select:focus{outline:2px solid #ffc188;border-color:var(--orange)}button{font:inherit;cursor:pointer}.calculate{display:block;width:100%;padding:15px;background:linear-gradient(100deg,#ff850c,#ff7109);border:0;border-radius:8px;color:white;font-size:19px;font-weight:600;margin-top:22px}.calculate:hover{background:#ec6500}.result{margin-top:20px;padding:18px;background:linear-gradient(110deg,#e2f5eb,#eaf8f1);border-radius:9px;color:#065a30;text-align:center}.result p{text-align:left;margin:0 0 8px}.result>strong{display:block;font-size:44px;overflow-wrap:anywhere;line-height:1.2}.result>small{display:block;font-size:16px;margin:9px 0}.result dl{display:grid;grid-template-columns:1fr auto;text-align:left;font-size:14px;gap:8px;margin:15px 0 0;border-top:1px solid #b8dcc8;padding-top:12px}.result dt,.result dd{margin:0}.result dd{font-weight:600}.info{display:flex;gap:14px;background:#eef6ff;border-radius:9px;padding:15px;margin-top:16px;font-size:14px}.info>span{font-size:28px;color:#0679ff}.info p{margin:4px 0 0;color:var(--muted)}.visual{position:relative;background:linear-gradient(130deg,#f5f7fa,#e7e7e8);border-radius:9px;min-height:370px;display:flex;align-items:center;padding:15px 5px 45px}svg{width:100%;height:auto}.view-toggle{position:absolute;bottom:12px;right:12px;display:flex;gap:3px;background:white;padding:3px;border-radius:7px}.view-toggle button{border:0;border-radius:6px;background:white;color:var(--muted);padding:10px 16px}.view-toggle button.selected{background:var(--orange);color:white}.visual-note{font-size:12px;color:var(--muted)}.export{border:1px solid #d4e0ef;border-radius:7px;background:white;color:#30486b;padding:10px 14px}button:disabled{opacity:.45;cursor:default}.benefits{display:grid;grid-template-columns:repeat(4,1fr);background:white;border:1px solid #e6edf7;border-radius:12px;padding:24px;margin-top:18px}.benefits>div{display:flex;align-items:center;gap:15px;padding:0 16px;border-right:1px solid #d9e2ee}.benefits>div:last-child{border:0}.benefits span{font-size:40px;color:var(--orange)}.benefits p{margin:0}.benefits strong{display:block;font-size:14px}.benefits small{display:block;margin-top:5px;color:var(--muted);font-size:12px}#error{background:#fff0ed;border:1px solid #e7b5a8;padding:12px;border-radius:7px;color:#a22f1a}.history-panel{margin-top:20px}.history-row{padding:14px;border-top:1px solid #e6edf7}.history-row small{color:var(--muted)}dialog{border:1px solid #e0e7f0;border-radius:12px;padding:25px;max-width:520px;width:90%;color:var(--ink)}dialog::backdrop{background:#11203388}#close-dialog{float:right;border:0;background:none;font-size:26px}dialog p{color:var(--muted)}button:focus-visible,a:focus-visible{outline:3px solid #ffc188;outline-offset:3px}@media(max-width:1250px){.hero-rule{display:none}h1{font-size:36px;max-width:100%}.layout{grid-template-columns:1fr}.visual{min-height:300px}svg{max-height:400px}.benefits{grid-template-columns:1fr 1fr;gap:20px}.benefits>div:nth-child(2){border:0}header nav{gap:12px}header{gap:18px}}@media(max-width:760px){header{position:relative;height:auto;min-height:78px;flex-wrap:wrap;padding:0 12px 12px;gap:10px}.brand{background:none;width:auto;margin-right:auto;padding-left:0}header input{width:100%;max-width:none;order:3}header nav{gap:10px;font-size:12px}header nav a{display:none}aside{position:relative;top:0;width:100%;padding:8px;background:#172638}#tools{display:flex;overflow:auto;gap:5px}aside button{white-space:nowrap;width:auto;padding:9px;font-size:13px}aside hr,aside>button,.motto{display:none}main{margin:0;padding:15px}.hero{padding:0 0 18px}h1{font-size:30px}.hero>p:last-of-type{font-size:16px}.panel{padding:17px}.heading{gap:12px}.tile{width:48px;height:48px;font-size:30px}h2{font-size:21px}.fields{gap:14px}.result>strong{font-size:36px}.benefits{padding:15px;gap:15px}.benefits>div{padding:0;border:0}.benefits span{font-size:28px}.benefits strong{font-size:12px}.benefits small{font-size:11px}}@media(max-width:380px){.fields{grid-template-columns:1fr}header nav{display:none}}
