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.exam-option-marker{background-color:var(--primary);color:#fff;border-color:var(--primary)}.exam-palette-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:.5rem}.exam-palette-btn{aspect-ratio:1;border-radius:var(--radius-sm);border:1px solid var(--border);background-color:var(--bg-main);color:var(--text-main);font-weight:700;font-size:.82rem;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:var(--transition)}.exam-palette-btn:hover{background-color:var(--bg-subtle)}.exam-palette-btn.current{border-color:var(--primary);outline:2px solid var(--primary);outline-offset:1px}.exam-palette-btn.answered{background-color:var(--primary);color:#fff;border-color:var(--primary)}.exam-palette-btn.flagged{background-color:var(--warning);color:#fff;border-color:var(--warning)}@media(max-width:1024px){.app-shell,.app-layout{flex-direction:column}.sidebar{position:fixed!important;left:0!important;top:0!important;bottom:0!important;height:100vh!important;height:100dvh!important;width:280px!important;max-width:85vw!important;transform:translate(-100%);box-shadow:4px 0 24px #0000002e;z-index:1000}.sidebar.open{transform:translate(0)!important}.sidebar-backdrop{position:fixed!important;top:0!important;right:0!important;bottom:0!important;left:0!important;background-color:#0f172a8c;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);z-index:999}.sidebar.open~.sidebar-backdrop,.sidebar-backdrop.active{display:block!important;opacity:1;pointer-events:auto}.main-wrapper{width:100%!important;max-width:100%!important;margin-left:0!important}.mobile-menu-btn{display:flex!important;align-items:center;justify-content:center}.top-header{padding:0 1.25rem}.content-area{padding:1.25rem}.stat-grid{grid-template-columns:repeat(auto-fit,minmax(200px,1fr))}}@media(max-width:768px){.top-header{padding:0 1rem;height:60px}.content-area{padding:1rem .75rem}.card{padding:1.25rem}.stat-grid{grid-template-columns:1fr;gap:.75rem}.table-container{overflow-x:auto;-webkit-overflow-scrolling:touch;width:100%}.data-table{min-width:600px}}@media(max-width:640px){.top-header{padding:0 .75rem;height:56px}.search-box{display:none}.header-actions{gap:.4rem}.header-actions .btn{padding:.35rem .6rem;font-size:.78rem}.card-header{flex-direction:column;align-items:flex-start;gap:.6rem}.modal-box{width:95vw;max-width:95vw;margin:1rem auto;padding:1.25rem}.exam-palette-grid{grid-template-columns:repeat(4,1fr)}}