.color-contrast-checker{max-width:1200px;margin:0 auto;padding:2rem}.color-contrast-checker .tool-header{text-align:center;margin-bottom:2rem}.color-contrast-checker .tool-header h1{font-size:2rem;color:var(--text-primary);margin-bottom:.5rem}.color-contrast-checker .tool-header p{color:var(--text-secondary)}.main-container{display:grid;grid-template-columns:1fr 1fr;gap:var(--tool-content-gap, 2rem)}.input-panel{background:#fff;border-radius:12px;padding:1.5rem;box-shadow:0 2px 8px #00000014}.color-inputs{display:flex;align-items:flex-end;gap:1rem;margin-bottom:1.5rem}.color-input-group{flex:1}.color-input-group label{display:block;font-size:1rem;color:var(--gray-900);margin-bottom:.5rem;font-weight:600;line-height:1.5;letter-spacing:.3px}.color-input-row{display:flex;gap:.5rem}.color-picker{width:50px;height:45px;border:2px solid var(--border-color);border-radius:8px;cursor:pointer;padding:2px}.hex-input{flex:1;padding:.75rem;border:1px solid var(--border-color);border-radius:8px;font-family:monospace;font-size:.875rem;text-transform:uppercase}.swap-btn{width:45px;height:45px;background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:8px;cursor:pointer;display:flex;align-items:center;justify-content:center;color:var(--text-secondary);transition:all .2s}.swap-btn:hover{background:var(--primary);color:#fff;border-color:var(--primary)}.text-options{display:flex;gap:1.5rem;margin-bottom:1.5rem;padding-bottom:1.5rem;border-bottom:1px solid var(--border-color)}.option-group{flex:1}.option-group label{display:block;font-size:1rem;color:var(--gray-900);margin-bottom:.5rem;font-weight:600;line-height:1.5;letter-spacing:.3px}.option-group input[type=range]{width:100%;accent-color:var(--primary)}.option-group.checkbox label{display:flex;align-items:center;gap:.5rem;cursor:pointer;padding-top:1rem}.option-group.checkbox input{width:18px;height:18px;accent-color:var(--primary)}.presets-section 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#00000014}.ratio-value{text-align:center;margin-bottom:1rem}.ratio-number{font-size:3rem;font-weight:700;color:var(--text-primary)}.ratio-label{font-size:1.5rem;color:var(--text-secondary)}.ratio-bar{position:relative;padding-top:1.5rem}.ratio-scale{display:flex;justify-content:space-between;font-size:.75rem;color:var(--text-muted);margin-bottom:.5rem}.ratio-track{display:flex;height:12px;border-radius:6px;overflow:hidden}.ratio-fail{background:#ef4444}.ratio-aa-large{background:#f59e0b}.ratio-aa{background:#3b82f6}.ratio-aaa{background:#10b981}.ratio-indicator{position:absolute;bottom:0;width:4px;height:20px;background:var(--text-primary);border-radius:2px;transform:translate(-50%);box-shadow:0 2px 4px #0003}.wcag-results{background:#fff;border-radius:12px;padding:1.5rem;box-shadow:0 2px 8px #00000014}.wcag-results h3{font-size:1rem;color:var(--text-primary);margin-bottom:1rem}.compliance-grid{display:flex;flex-direction:column;gap:1rem}.compliance-item{padding:1rem;background:var(--bg-secondary);border-radius:8px}.compliance-header{display:flex;align-items:baseline;gap:.5rem;margin-bottom:.75rem}.compliance-label{font-weight:600;color:var(--text-primary)}.compliance-size{font-size:.8rem;color:var(--text-muted)}.compliance-levels{display:flex;gap:.75rem}.level-badge{padding:.5rem 1rem;border-radius:6px;font-weight:600;font-size:.875rem;display:flex;align-items:center;gap:.5rem}.level-badge.pass{background:#d1fae5;color:#065f46}.level-badge.fail{background:#fee2e2;color:#991b1b}.level-badge .required{font-size:.75rem;font-weight:400;opacity:.8}.current-status{display:flex;align-items:center;gap:1rem;padding:1rem;background:#fff;border-radius:12px;border-left:4px solid;box-shadow:0 2px 8px #00000014}.status-icon{width:40px;height:40px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-size:1.25rem;font-weight:700}.status-text{flex:1;display:flex;flex-direction:column;gap:.25rem}.status-level{font-weight:700;font-size:1.1rem}.status-description{font-size:.85rem;color:var(--text-secondary)}.suggest-btn{padding:.75rem 1rem;background:var(--primary);color:#fff;border:none;border-radius:6px;font-size:.85rem;font-weight:500;cursor:pointer;transition:background .2s}.suggest-btn:hover{background:var(--primary-dark)}.action-buttons{display:flex;gap:1rem}.action-buttons button{flex:1;padding:1rem;border-radius:8px;font-size:1rem;font-weight:500;cursor:pointer;transition:all .2s}.action-buttons .btn-primary{background:var(--primary);color:#fff;border:none}.action-buttons .btn-primary:hover{background:var(--primary-dark)}.saved-pairs{background:#fff;border-radius:12px;padding:1.5rem;margin-top:2rem;box-shadow:0 2px 8px #00000014}.saved-pairs h3{font-size:1.1rem;color:var(--text-primary);margin-bottom:1rem}.pairs-grid{display:flex;flex-wrap:wrap;gap:1rem}.saved-pair{position:relative;width:100px;height:80px;border-radius:8px;display:flex;flex-direction:column;align-items:center;justify-content:center;cursor:pointer;transition:transform .2s;box-shadow:0 2px 8px #0000001a}.saved-pair:hover{transform:scale(1.05)}.pair-text{font-size:1.5rem;font-weight:700}.pair-info{display:flex;gap:.5rem;font-size:.7rem;margin-top:.25rem}.pair-ratio{opacity:.8}.pair-level{padding:.1rem .3rem;border-radius:3px;font-weight:600}.pair-level.aa{background:#3b82f633}.pair-level.aaa{background:#10b98133}.pair-level.fail{background:#ef444433}.delete-pair{position:absolute;top:-8px;right:-8px;width:20px;height:20px;border-radius:50%;border:none;background:var(--danger);color:#fff;font-size:1rem;cursor:pointer;display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity .2s}.saved-pair:hover .delete-pair{opacity:1}.tips-section{background:#fff;border-radius:12px;padding:1.5rem;margin-top:2rem;box-shadow:0 2px 8px #00000014}.tips-section h3{font-size:1.1rem;color:var(--text-primary);margin-bottom:1rem}.tips-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1rem}.tip{background:var(--bg-secondary);padding:1rem;border-radius:8px}.tip h4{font-size:.875rem;color:var(--text-primary);margin-bottom:.5rem}.tip p{font-size:.85rem;color:var(--text-secondary);line-height:1.4}@media (max-width: 900px){.main-container{grid-template-columns:1fr}.color-inputs{flex-direction:column;align-items:stretch}.swap-btn{width:100%;transform:rotate(90deg)}.presets-grid{grid-template-columns:1fr}}@media (max-width: 600px){.color-contrast-checker{padding:1rem}.text-options{flex-direction:column;gap:1rem}.compliance-levels{flex-direction:column}}.fix-color-btn{padding:.75rem 1rem;background:var(--primary);color:#fff;border:none;border-radius:8px;font-size:.85rem;font-weight:500;cursor:pointer;transition:background .2s;white-space:nowrap}.fix-color-btn:hover:not(:disabled){background:var(--primary-dark)}.fix-color-btn:disabled{background:var(--bg-secondary);color:var(--text-muted);cursor:not-allowed}.modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:1000}.modal-content{background:#fff;border-radius:12px;padding:2rem;max-width:600px;width:90%;box-shadow:0 10px 40px #0003}.modal-content h3{font-size:1.5rem;color:var(--text-primary);margin-bottom:1.5rem}.fix-preview{margin-bottom:1.5rem}.fix-comparison{display:grid;grid-template-columns:1fr 1fr;gap:1.5rem}.fix-before,.fix-after{text-align:center}.fix-before h4,.fix-after h4{font-size:.875rem;color:var(--text-secondary);margin-bottom:1rem}.fix-color-swatch{padding:2rem 1rem;border-radius:8px;margin-bottom:.5rem;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:.5rem;min-height:120px}.fix-color-swatch span{font-size:1.25rem;font-weight:600}.fix-color-hex{font-family:monospace;font-size:.85rem;opacity:.8}.fix-ratio{font-size:.875rem;color:var(--text-secondary);font-weight:500}.modal-actions{display:flex;gap:1rem;justify-content:flex-end}.modal-actions button{padding:.75rem 1.5rem;border-radius:8px;font-size:.95rem;font-weight:500;cursor:pointer;transition:all .2s}.modal-actions .btn-primary{background:var(--primary);color:#fff;border:none}.modal-actions .btn-primary:hover{background:var(--primary-dark)}.modal-actions .btn-outline{background:#fff;color:var(--text-primary);border:1px solid var(--border-color)}.modal-actions .btn-outline:hover{background:var(--bg-secondary)}@media (max-width: 600px){.fix-comparison{grid-template-columns:1fr}.modal-content{padding:1.5rem}}