:root{--background:#f7f5ef;--surface:#fff;--surface-soft:#eef6f1;--text:#20201d;--muted:#6d7068;--line:#d8ddd2;--primary:#0c6b58;--primary-dark:#084c3f;--accent:#d7842f;--focus:#2f80ed;--shadow:0 18px 55px #1f27231f}*{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{font:inherit}button{cursor:pointer}.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,3.7rem);line-height:.98}.intro p,.content-band p,.controls p{color:var(--muted);line-height:1.55}.drop-zone{background:linear-gradient(#fbfbf8,#f1f5ee);border:2px dashed #b8c4b8;border-radius:8px;place-items:center;min-height:430px;transition:border-color .16s,background .16s;display:grid;overflow:hidden}.drop-zone.is-dragging{border-color:var(--primary);background:var(--surface-soft)}.drop-zone input{display:none}.drop-zone img{object-fit:contain;width:100%;max-height:58vh;padding:16px}.empty-state{max-width:360px;color:var(--muted);text-align:center;justify-items:center;gap:10px;padding:28px;display:grid}.empty-state svg{width:48px;height:48px;color:var(--primary)}.empty-state strong{color:var(--text);font-size:1.15rem}.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,.actions{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}.icon-button,.secondary-button,.primary-button{border:1px solid var(--line);border-radius:8px;justify-content:center;align-items:center;gap:8px;min-height:42px;display:inline-flex}.icon-button{background:var(--surface-soft);width:42px;color:var(--primary)}.icon-button svg,.primary-button svg,.secondary-button svg{width:18px;height:18px}.field{gap:7px;font-weight:700;display:grid}.field input,.field select{border:1px solid var(--line);width:100%;min-height:42px;color:var(--text);background:#fff;border-radius:8px;padding:0 12px}.field input[type=range]{padding:0}.field small{color:var(--muted);font-weight:400}.preset-group{gap:10px;font-weight:700;display:grid}.preset-list{grid-template-columns:1fr 1fr;gap:8px;display:grid}.preset-list button{border:1px solid var(--line);min-height:38px;color:var(--text);background:#fbfbf8;border-radius:8px;font-size:.86rem}.preset-list button:hover,.icon-button:hover,.secondary-button:hover{border-color:var(--primary)}.primary-button,.secondary-button{flex:1;padding:0 14px;font-weight:800}.primary-button{border-color:var(--primary);background:var(--primary);color:#fff}.primary-button:hover{background:var(--primary-dark)}.secondary-button{color:var(--text);background:#fff}.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}.site-footer{max-width:1180px;color:var(--muted);justify-content:space-between;gap:16px;margin:18px auto 0;font-size:.92rem;display:flex}.site-footer nav{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}.content-band h2{font-size:1.35rem}.faq-grid{grid-template-columns:repeat(3,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{margin-bottom:0;font-size:.94rem}: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}.drop-zone{min-height:320px}.faq-grid{grid-template-columns:1fr}.site-footer{flex-direction:column}}@media (max-width:520px){.tool-main,.controls,.content-band{padding:16px}.preset-list,.actions{grid-template-columns:1fr}.actions{display:grid}}