:root{--background:#f5f7fb;--surface:#fff;--surface-soft:#eef2fb;--text:#1b1f2a;--muted:#5b6275;--line:#d7dce8;--primary:#2563eb;--primary-dark:#1d4ed8;--accent:#f59e0b;--focus:#2f80ed;--shadow:0 18px 55px #1723461f}*{box-sizing:border-box}html{background:var(--background)}body{color:var(--text);background:var(--background);margin:0;font-family:Arial,Helvetica Neue,sans-serif}button,input,select,textarea{font:inherit}button{cursor:pointer}button:disabled{opacity:.55;cursor:not-allowed}.page-shell{min-height:100vh;padding:32px}.tool-grid{grid-template-columns:minmax(0,1fr) 360px;align-items:start;gap:20px;max-width:1180px;margin:0 auto;display:grid}.tool-main,.controls,.content-band{border:1px solid var(--line);background:var(--surface);box-shadow:var(--shadow);border-radius:8px}.tool-main{padding:24px}.intro{max-width:720px;margin-bottom:20px}.eyebrow{color:var(--primary);text-transform:uppercase;margin:0 0 8px;font-size:.8rem;font-weight:700}h1,h2,h3,p{margin-top:0}h1{letter-spacing:0;margin-bottom:10px;font-size:clamp(2rem,4vw,3.4rem);line-height:1}.intro p,.content-band p,.controls p{color:var(--muted);line-height:1.55}.input-block{gap:8px;display:grid}.input-block label{font-size:.9rem;font-weight:700}.input-block textarea{resize:vertical;border:1px solid var(--line);width:100%;min-height:300px;color:var(--text);background:#fff;border-radius:8px;padding:14px 16px;line-height:1.6}.input-block textarea:focus-visible{border-color:var(--primary)}.status-row{min-height:44px;color:var(--primary-dark);align-items:center;gap:8px;margin-top:16px;font-weight:700;display:flex}.status-row svg{width:20px;height:20px}.controls{gap:16px;padding:20px;display:grid;position:sticky;top:24px}.dimension-header{justify-content:space-between;align-items:center;gap:12px;display:flex}.dimension-header h2{margin-bottom:4px;font-size:1.2rem}.dimension-header p{margin:0;font-size:.9rem}.actions{flex-wrap:wrap;gap:10px;margin-top:16px;display:flex}.primary-button,.secondary-button{border:1px solid var(--line);border-radius:8px;flex:1;justify-content:center;align-items:center;gap:8px;min-height:42px;padding:0 16px;font-weight:800;display:inline-flex}.primary-button svg,.secondary-button svg{width:18px;height:18px}.primary-button{border-color:var(--primary);background:var(--primary);color:#fff}.primary-button:not(:disabled):hover{background:var(--primary-dark)}.secondary-button{color:var(--text);background:#fff}.secondary-button:not(:disabled):hover{border-color:var(--primary)}.metric-grid{grid-template-columns:1fr 1fr;gap:10px;display:grid}.metric-card{border:1px solid var(--line);background:var(--surface-soft);border-radius:8px;gap:4px;padding:14px 16px;display:grid}.metric-card strong{color:var(--primary-dark);font-size:1.5rem;line-height:1}.metric-card span{color:var(--muted);font-size:.76rem;font-weight:700}.metric-card.is-primary{background:var(--primary);border-color:var(--primary);grid-column:1/-1}.metric-card.is-primary strong{color:#fff;font-size:2.2rem}.metric-card.is-primary span{color:#ffffffd9}.content-band{grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:28px;max-width:1180px;margin:20px auto 0;padding:24px;display:grid}.content-band h2{font-size:1.35rem}.site-footer{max-width:1180px;color:var(--muted);justify-content:space-between;gap:16px;margin:18px auto 0;padding:0 32px 24px;font-size:.92rem;display:flex}.site-footer nav{flex-wrap:wrap;gap:14px;display:flex}.site-footer a,.back-link{color:var(--primary);font-weight:700;text-decoration:none}.site-footer a:hover,.back-link:hover{text-decoration:underline}.legal-page{max-width:780px;color:var(--text);margin:0 auto;padding:48px 24px}.legal-page h1{margin-top:24px;font-size:clamp(2rem,4vw,3rem)}.legal-page h2{margin-top:28px;font-size:1.25rem}.legal-page p{color:var(--muted);line-height:1.7}.legal-note{margin-top:32px;font-size:.9rem}.faq-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;display:grid}.faq-grid article{border-left:3px solid var(--accent);padding-left:14px}.faq-grid h3{margin-bottom:8px;font-size:1rem}.faq-grid p{color:var(--muted);margin-bottom:0;font-size:.94rem;line-height:1.55}.article-page{max-width:820px}.article-card{border:1px solid var(--line);background:var(--surface);box-shadow:var(--shadow);border-radius:8px;margin-top:16px;padding:32px}.article-card h1{font-size:clamp(1.8rem,3.5vw,2.6rem)}.article-card h2{margin-top:28px;font-size:1.3rem}.article-card p,.article-card li{color:var(--muted);line-height:1.7}.article-card a{color:var(--primary);font-weight:700}.article-card ol,.article-card ul{padding-left:20px}.article-card .faq-grid{margin-top:12px}:focus-visible{outline:3px solid var(--focus);outline-offset:2px}@media (max-width:900px){.page-shell{padding:16px}.tool-grid,.content-band{grid-template-columns:1fr}.controls{position:static}.faq-grid{grid-template-columns:1fr}.site-footer{flex-direction:column;padding:0 16px 24px}}@media (max-width:520px){.tool-main,.controls,.content-band,.article-card{padding:16px}.actions{flex-direction:column}}