main{flex:1;display:flex;flex-direction:column;align-items:center;padding:40px 24px}.container-wide{width:100%;max-width:1280px;display:flex;flex-direction:column;gap:20px}.split-panel{display:grid;grid-template-columns:480px 1fr;gap:20px}.panel-left,.panel-right{display:flex;flex-direction:column;gap:16px}.panel-section{background:var(--bg2);border:1px solid var(--border);border-radius:12px;padding:20px;display:flex;flex-direction:column;gap:14px}.card-header{display:flex;align-items:center;justify-content:space-between;gap:12px}.card-label{font-size:13px;font-weight:600;color:var(--muted);text-transform:uppercase;letter-spacing:.5px}.form-group{display:flex;flex-direction:column;gap:6px}.form-group label{font-size:12px;font-weight:600;color:var(--muted);text-transform:uppercase}.form-input{background:var(--bg3);border:1px solid var(--border);color:#fff;padding:10px 14px;border-radius:var(--r);font-size:13px;outline:none;transition:border-color .2s}.form-input:focus{border-color:var(--accent)}.results-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.result-card{background:var(--bg3);border:1px solid var(--border);border-radius:var(--r);padding:20px;text-align:center}.result-val{font-size:24px;font-weight:700;color:var(--accent);margin-bottom:4px}.result-lbl{font-size:12px;color:var(--muted);text-transform:uppercase}.explanation-box{background:var(--bg3);border-left:4px solid var(--accent);padding:16px;border-radius:0 var(--r) var(--r) 0;font-size:13px;line-height:1.6}.explanation-box h4{margin-bottom:8px;color:#fff}.explanation-box ul{margin-left:20px;margin-top:8px}@media(max-width:900px){main{padding:20px 12px}.split-panel{grid-template-columns:1fr}}