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1fr;gap:8px;display:grid}.legend-item{color:#4a5568;align-items:center;gap:8px;font-size:11.5px;font-weight:600;display:flex}.pal-badge{color:#fff;flex-shrink:0;justify-content:center;align-items:center;width:28px;height:28px;font-size:12px;font-weight:700;display:flex;position:relative}.pal-badge.state-not-visited{background-color:var(--nta-not-visited);color:var(--nta-not-visited-text);border:1px solid #cbd5e0;border-radius:4px}.pal-badge.state-not-answered{background-color:var(--nta-not-answered);clip-path:polygon(0% 0%,100% 0%,100% 75%,50% 100%,0% 75%);border-radius:6px 6px 0 0}.pal-badge.state-answered{background-color:var(--nta-answered);clip-path:polygon(50% 0%,100% 25%,100% 100%,0% 100%,0% 25%)}.pal-badge.state-marked{background-color:var(--nta-marked);border-radius:50%}.pal-badge.state-ans-marked{background-color:var(--nta-ans-marked);border-radius:50%}.pal-badge.state-ans-marked:after{content:"";background-color:var(--nta-green-dot);border:1.5px solid #fff;border-radius:50%;width:9px;height:9px;position:absolute;bottom:0;right:0}.palette-heading{color:#fff;background:#2b6cb0;padding:8px 14px;font-size:12.5px;font-weight:700}.palette-scroll-area{flex:1;padding:12px;overflow-y:auto}.palette-grid{grid-template-columns:repeat(5,1fr);gap:8px;display:grid}.pal-q-btn{cursor:pointer;border:none;justify-content:center;align-items:center;height:38px;font-size:13px;font-weight:700;transition:transform .1s;display:flex;position:relative}.pal-q-btn:hover{z-index:5;transform:scale(1.08)}.pal-q-btn.active-q{box-shadow:0 0 0 2.5px #3182ce,0 0 0 4.5px #4299e166}.palette-sidebar-footer{background:#edf2f7;border-top:1px solid #e2e8f0;flex-direction:column;gap:8px;padding:10px;display:flex}.pal-util-row{gap:8px;display:flex}.pal-util-btn{color:#2d3748;cursor:pointer;background:#fff;border:1px solid #cbd5e0;border-radius:4px;flex:1;padding:6px;font-size:11.5px;font-weight:600}.pal-util-btn:hover{background:#f7fafc;border-color:#a0aec0}.pal-submit-btn{color:#fff;cursor:pointer;background:#2b6cb0;border:none;border-radius:4px;padding:10px;font-size:13px;font-weight:700;transition:background .15s}.pal-submit-btn:hover{background:#2c5282}.cbt-footer{z-index:10;background:#fff;border-top:1px solid #cbd5e0;flex-shrink:0;justify-content:space-between;align-items:center;height:54px;padding:0 20px;display:flex;box-shadow:0 -2px 6px #0000000d}.footer-left,.footer-right{align-items:center;gap:10px;display:flex}.btn-action-cbt{cursor:pointer;border:1px solid #0000;border-radius:4px;align-items:center;gap:6px;height:38px;padding:0 16px;font-size:13px;font-weight:700;transition:all .15s;display:flex}.btn-save-next{color:#fff;background:#38a169}.btn-save-next:hover{background:#2f855a}.btn-clear{color:#4a5568;background:#fff;border-color:#cbd5e0}.btn-clear:hover{color:#1a202c;background:#edf2f7}.btn-mark-review{color:#fff;background:#805ad5}.btn-mark-review:hover{background:#6b46c1}.btn-check-sol{color:#fff;background:#319795}.btn-check-sol:hover{background:#285e61}.btn-nav-cbt{color:#2d3748;background:#edf2f7;border:1px solid #cbd5e0}.btn-nav-cbt:hover:not(:disabled){background:#e2e8f0}.btn-nav-cbt:disabled{opacity:.45;cursor:not-allowed}.cbt-modal-backdrop{z-index:100;background:#000000a6;justify-content:center;align-items:center;width:100vw;height:100vh;display:flex;position:fixed;top:0;left:0}.cbt-modal-card{background:#fff;border-radius:8px;flex-direction:column;width:90%;max-width:650px;max-height:85vh;display:flex;overflow:hidden;box-shadow:0 10px 25px #00000040}.cbt-modal-header{color:#fff;background:#1a365d;justify-content:space-between;align-items:center;padding:14px 20px;font-size:16px;font-weight:700;display:flex}.cbt-modal-close{color:#fff;cursor:pointer;background:0 0;border:none;font-size:20px}.cbt-modal-body{padding:20px;font-size:14px;line-height:1.6;overflow-y:auto}.cbt-modal-footer{background:#edf2f7;border-top:1px solid #e2e8f0;justify-content:flex-end;gap:12px;padding:12px 20px;display:flex}