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var(--color-stone-divider);border-radius:var(--radius-lg);padding:var(--space-4);box-shadow:var(--shadow-subtle);cursor:pointer}.exam-head{display:flex;align-items:flex-start;gap:var(--space-3)}.exam-icon{width:38px;height:38px;border-radius:10px;flex:none;background:var(--color-lavender-wash);color:var(--color-royal-signal);font-size:var(--text-md);font-weight:700;display:inline-flex;align-items:center;justify-content:center}.exam-name{font-size:var(--text-base);font-weight:600;color:var(--color-midnight-ink);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.exam-meta{font-size:var(--text-xs);color:var(--color-ash-helper);margin-top:2px}.exam-foot{display:flex;justify-content:space-between;gap:var(--space-2);font-size:var(--text-2xs);color:var(--color-ash-helper);margin-top:6px}.opts{display:flex;flex-direction:column;gap:var(--space-2)}.opt{display:flex;align-items:flex-start;gap:10px;text-align:left;padding:11px 14px;border:1.5px solid var(--color-stone-divider);border-radius:var(--radius-md);background:#fff;cursor:pointer;font-size:var(--text-base);line-height:1.55;transition:border-color .12s var(--ease-soft),background .12s var(--ease-soft),box-shadow .12s var(--ease-soft);min-height:44px}@media (hover: hover){.opt:hover{border-color:#c4cfe6;background:#fafbfe;box-shadow:var(--shadow-subtle)}}.opt .opt-key{font-weight:700;color:var(--color-royal-signal);flex-shrink:0}.opt.picked{border-color:var(--color-royal-signal);background:var(--color-lavender-wash);box-shadow:0 0 0 3px rgba(var(--brand-rgb),.1)}.opt.right{border-color:var(--color-success);background:var(--color-success-subtle)}.opt.right .opt-key{color:var(--color-success)}.opt.wrong{border-color:var(--color-danger);background:var(--color-danger-subtle)}.opt.wrong .opt-key{color:var(--color-danger)}.opt:disabled{cursor:default}.grid-panel .grid,.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(38px,1fr));gap:6px;max-height:190px;overflow-y:auto}.grid-cell{aspect-ratio:1;display:flex;align-items:center;justify-content:center;border:1px solid var(--color-stone-divider);border-radius:var(--radius-sm);font-size:var(--text-xs);font-weight:600;cursor:pointer;background:#fff;color:var(--color-slate-caption);min-height:34px;transition:all .1s var(--ease-soft)}.grid-cell:hover{border-color:var(--color-royal-signal);color:var(--color-royal-signal)}.grid-cell.answered{background:var(--color-lavender-wash);color:var(--color-royal-deep);border-color:rgba(var(--brand-rgb),.3)}.grid-cell.correct{background:var(--color-success-subtle);color:var(--color-success);border-color:#bfe8cd}.grid-cell.wrong{background:var(--color-danger-subtle);color:var(--color-danger);border-color:#f5c8c4}.grid-cell.current{border-color:var(--color-royal-signal);box-shadow:0 0 0 2px rgba(var(--brand-rgb),.2);color:var(--color-royal-signal)}.material-card{border-left:3px solid var(--color-cobalt-glow)}.q-actions{display:flex;gap:var(--space-2);align-items:center}@media (max-width: 1120px){.topbar-inner{padding:0 var(--space-4);gap:var(--space-3)}.topbar nav{gap:2px}.nav-pill{padding:6px 10px;font-size:var(--text-sm)}}.icon-edit,.star-btn{display:inline-flex;align-items:center;justify-content:center;min-width:26px;min-height:26px}.pref-date{min-height:28px;display:inline-flex;align-items:center}@media (max-width: 1100px){.topbar-inner{height:auto;min-height:56px;flex-wrap:wrap;padding-top:6px;padding-bottom:6px}.topbar nav{order:3;flex-basis:100%;width:100%;justify-content:flex-start;flex-wrap:nowrap;padding-bottom:2px;scroll-snap-type:x proximity;-webkit-mask-image:linear-gradient(to right,#000 calc(100% - 26px),transparent);mask-image:linear-gradient(to right,#000 calc(100% - 26px),transparent)}.nav-pill{scroll-snap-align:start;display:inline-flex;align-items:center}.nav-sep{display:none}}@media (max-width: 900px){.btn.small{min-height:36px}.btn.xsmall{min-height:32px}.seg button,.seg-sub button,.chip{min-height:34px}.grid-cell{min-height:36px}.icon-edit,.star-btn{min-width:36px;min-height:36px}.as-trigger,.pref-date{min-height:34px}.history-chip{min-height:34px;display:inline-flex;align-items:center}}@media (max-width: 760px){:root{--text-base: 16px;--text-sm: 14px}input,textarea,select{font-size:max(16px,1em)}.btn{min-height:44px}.btn.small{min-height:40px}.btn.xsmall{min-height:34px}.chip{min-height:36px;white-space:normal;overflow-wrap:anywhere;text-overflow:clip;text-align:left}.badge{white-space:normal;overflow-wrap:anywhere;text-overflow:clip}.seg button{min-height:36px}.nav-pill{min-height:36px;display:inline-flex;align-items:center;scroll-snap-align:start}.icon-edit{min-width:36px;min-height:36px;display:inline-flex;align-items:center;justify-content:center}.history-chip{min-height:36px;display:inline-flex;align-items:center}.app-select{min-width:0!important;max-width:100%}.grid-panel .grid,.grid{max-height:40vh}.topbar-inner{padding:0 var(--space-4);height:auto;min-height:56px;flex-wrap:wrap;padding-top:6px;padding-bottom:6px}.topbar nav{order:3;flex-basis:100%;width:100%;justify-content:flex-start;padding-bottom:2px;flex-wrap:nowrap;scroll-snap-type:x proximity;-webkit-mask-image:linear-gradient(to right,#000 calc(100% - 26px),transparent);mask-image:linear-gradient(to right,#000 calc(100% - 26px),transparent)}.nav-sep{display:none}.main-area{padding:var(--space-4) var(--space-4) 100px}.card{padding:var(--space-4)}.artifact{padding:var(--space-4);border-radius:var(--radius-lg)}.hero-band{padding:var(--space-6) var(--space-5);border-radius:var(--radius-2xl)}.q-actions{position:sticky;bottom:0;margin:var(--space-4) calc(var(--space-4) * -1) calc(var(--space-4) * -1);padding:10px var(--space-4) calc(10px + env(safe-area-inset-bottom));background:var(--color-snow-canvas);border-top:1px solid var(--color-stone-divider);display:flex;gap:var(--space-2);z-index:20}.q-actions .btn{flex:1}.long-content,.rich-text,.opt{overflow-wrap:anywhere}.user-menu{width:min(220px,calc(100vw - 24px))}.cd-pill{display:none}}@media (max-width: 380px){.topbar-inner{gap:6px}.user-chip{padding:6px 10px}.user-chip .user-role{display:none}}