.contrast-container{max-width:980px}.tool-panel{background:#fff;border:2px solid #d4c5b9;border-radius:2px;padding:36px;margin-bottom:40px}.tool-panel .section-title{font-size:2.1em;margin-bottom:18px}.tool-panel .intro-text{margin-bottom:26px}.picker-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-bottom:24px}.picker-card{background:#f8f7f4;border:1px solid #d4c5b9;border-radius:2px;padding:18px}.picker-label{display:block;font-weight:600;color:#4a5568;margin-bottom:10px}.picker-row{display:flex;gap:10px}.picker-row input[type="color"]{width:56px;height:44px;padding:0;border:1px solid #d4c5b9;border-radius:2px;background:#fff;cursor:pointer}.picker-row input[type="text"]{flex:1;min-width:0;height:44px;border:1px solid #d4c5b9;border-radius:2px;padding:0 12px;font-size:1em;font-weight:600;color:#2d3142;background:#fff;text-transform:uppercase}.picker-row input[type="text"]:focus{outline:2px solid rgb(107 122 161 / .25);border-color:#6b7aa1}.preview-box{border:2px dashed rgb(255 255 255 / .4);border-radius:2px;padding:28px;margin-bottom:24px;transition:background-color 0.2s ease,color 0.2s ease}.preview-box h3{margin:0 0 10px;font-size:1.2em}.preview-box p{margin:0 0 10px;line-height:1.7}.preview-box small{opacity:.9}.result-card{background:#f8f7f4;border:1px solid #d4c5b9;border-radius:2px;padding:20px}.ratio-line{display:flex;justify-content:space-between;align-items:baseline;gap:16px;margin-bottom:14px}.ratio-label{color:#4a5568;font-weight:600}.ratio-value{font-size:1.8em;color:#2d3142}.overall-status{display:inline-block;margin-bottom:16px;padding:6px 12px;border-radius:2px;font-size:.9em;font-weight:700;letter-spacing:.04em;text-transform:uppercase}.overall-status.pass{background:#eaf7ed;color:#1f7a35;border:1px solid #9ed9ac}.overall-status.fail{background:#fdecec;color:#b52a2a;border:1px solid #f0b7b7}.wcag-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}.wcag-item{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:12px;border:1px solid #d4c5b9;border-radius:2px;background:#fff}.wcag-item span{color:#4a5568;font-weight:500;font-size:.95em}.wcag-item strong{font-size:.92em;text-transform:uppercase;letter-spacing:.04em}.wcag-item strong.pass{color:#1f7a35}.wcag-item strong.fail{color:#b52a2a}.wcag-item.pass{border-color:#9ed9ac;background:#f4fbf6}.wcag-item.fail{border-color:#f0b7b7;background:#fff7f7}nav a.active{color:#6b7aa1;font-weight:600}.footer-links{margin:15px 0}@media (max-width:768px){.tool-panel{padding:24px}.picker-grid,.wcag-grid{grid-template-columns:1fr}.picker-row{flex-direction:column}.picker-row input[type="color"],.picker-row input[type="text"]{width:100%}.ratio-line{flex-direction:column;align-items:flex-start;gap:6px}}