:root{--bg:#f6f4ef;--surface:#fff;--ink:#202a36;--muted:#5c6875;--line:#d9dee4;--accent:#0f766e;--accent-dark:#0b514c;--warm:#be6a2c;--shadow:0 18px 44px rgba(32,42,54,.11)}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-family:Arial,Helvetica,sans-serif;line-height:1.5;overflow-x:hidden}input,select,button{font:inherit}.site-header{background:#213140;color:#fff;padding:24px}.topbar,.hero,.page-shell,.site-footer{width:min(1180px,calc(100% - 32px));margin:0 auto}.topbar{display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;margin-bottom:28px}.brand,.site-nav a{text-decoration:none;color:#fff;font-weight:800}.site-nav{display:flex;gap:14px;flex-wrap:wrap}.language-switch{display:grid;gap:6px;width:min(230px,100%);font-weight:700}.language-switch select{min-height:42px;border-radius:6px;padding:8px}.hero{max-width:860px}.eyebrow{margin:0 0 8px;color:var(--warm);font-size:.76rem;font-weight:800;text-transform:uppercase}h1{margin:0;font-size:clamp(2rem,5vw,4rem);line-height:1.04}h2{margin:0 0 14px;font-size:1.25rem}h3{margin:16px 0 6px}.hero p:last-child{color:#dce8e5}.page-shell{display:grid;grid-template-columns:minmax(112px,150px) minmax(0,1fr) minmax(112px,150px);gap:18px;align-items:start;padding:24px 0 34px}.tool-grid{display:grid;grid-template-columns:minmax(310px,440px) minmax(0,1fr);gap:18px}.panel,.card,.ad-slot{background:var(--surface);border:1px solid var(--line);border-radius:8px;box-shadow:var(--shadow)}.panel,.card{padding:20px}form{display:grid;gap:14px}label{display:grid;gap:7px;font-weight:800}.field-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}input{width:100%;border:1px solid #b8c2cc;border-radius:6px;padding:10px 12px}.actions{display:flex;gap:10px;flex-wrap:wrap}button{min-height:44px;border:0;border-radius:6px;padding:10px 16px;background:var(--accent);color:#fff;font-weight:900;cursor:pointer}button:hover{background:var(--accent-dark)}button.secondary{background:#55616f}.error{margin:0;color:#a62b1f;font-weight:800}.summary{display:grid;gap:12px}.summary-row{display:flex;justify-content:space-between;gap:16px;border-bottom:1px solid var(--line);padding-bottom:8px}.message{padding:12px;border-radius:6px;font-weight:800}.message.good{background:#e8f6ef;color:#11613d}.message.warn{background:#fff0e6;color:#9a4b12}.content-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin-top:18px}.card p,.card li{color:var(--muted)}.ad-slot{min-height:260px;display:grid;place-items:center;padding:16px;color:#65717d;background:#f8faf9;border-style:dashed;text-align:center;font-size:.88rem}.mobile-ad{display:none;min-height:92px;margin-top:18px}.site-footer{padding:0 0 28px;color:var(--muted)}
@media(max-width:920px){.page-shell,.tool-grid,.content-grid,.field-grid{grid-template-columns:1fr}.side-ad{display:none}.mobile-ad{display:grid}}
@media print{.site-header,form,.content-grid,.ad-slot,.site-footer{display:none}.page-shell,.tool-grid{display:block;width:100%;padding:0}.panel{border:0;box-shadow:none;padding:0}.result-panel{display:block}}