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0;gap:20px}.sx-filt{grid-template-columns:1fr;gap:12px}.sx-filt__label{font-size:10.5px}.sx-filt__chips{overflow-x:auto;flex-wrap:nowrap;margin:0 -22px;padding:4px 22px;scrollbar-width:none;gap:10px}.sx-filt__chips::-webkit-scrollbar{display:none}.sx-chip{padding:10px 18px;font-size:14px;flex-shrink:0}.sx-filt__chips .sx-chip:not(.is-active):not(.sx-chip--more):not(:first-child){display:none}.sx-more-wrap{position:static}.sx-more-menu{position:fixed;top:auto;left:22px;right:22px;bottom:22px;min-width:0;max-height:60vh;z-index:60;box-shadow:var(--shadow-lg)}.sx-more-row{padding:14px 12px;font-size:15px}.sx-cards{grid-template-columns:1fr;gap:16px}.sx-card{padding:30px 28px 26px;min-height:220px;border-radius:18px}.sx-card__title{font-size:26px;margin-bottom:14px}.sx-card__blurb{font-size:15px;line-height:1.55}.sx-card__foot{margin-top:36px}.sx-card__count{font-size:13.5px;padding:6px 14px}}.sx-sheet-backdrop{position:fixed;inset:0;background:rgba(28,28,26,.45);z-index:40}.sx-sheet{position:fixed;bottom:0;left:0;right:0;background:var(--color-bg-card);border-radius:20px 20px 0 0;max-height:75vh;overflow-y:auto;z-index:50;padding:14px 22px 28px}.sx-sheet__handle{width:36px;height:4px;background:var(--color-border);border-radius:2px;margin:0 auto 16px}.sx-sheet__title{font-family:var(--font-display);font-size:22px;font-weight:600;margin:4px 0 16px}.sx-sheet__row{display:flex;align-items:center;justify-content:space-between;padding:14px 8px;border-radius:12px;cursor:pointer;font-size:15px;color:var(--color-text-primary)}.sx-sheet__row.is-active{background:var(--color-accent-light);color:var(--color-accent);font-weight:600}.sx-sheet__row .sx-sheet__count{font-size:13px;color:var(--color-text-muted);font-variant-numeric:tabular-nums}.sx-sheet__row.is-active .sx-sheet__count{color:var(--color-accent)}.uc{display:inline-flex;align-items:center;gap:6px;font-family:var(--font-sans);font-size:13.5px;line-height:1.2;color:var(--color-text-primary);text-decoration:none;vertical-align:middle}.uc--md{font-size:15px;gap:8px}.uc:hover .uc__name{text-decoration:underline;text-underline-offset:2px}.uc--missing{color:var(--color-text-muted);font-style:italic}.uc__name{font-weight:600}.uc__handle{font-weight:400;font-variant-numeric:tabular-nums}.uc__avatar,.uc__handle{color:var(--color-text-muted)}.uc__avatar{display:inline-flex;align-items:center;justify-content:center;width:22px;height:22px;border-radius:999px;background:var(--color-bg-subtle,#ededf2);overflow:hidden;font-size:10.5px;font-weight:600}.uc__avatar--md{width:28px;height:28px;font-size:12px}.uc__avatar img{width:100%;height:100%;-o-object-fit:cover;object-fit:cover;display:block}.rr-role-badge{display:inline-flex;align-items:center;padding:1px 7px;border-radius:999px;font-family:var(--font-sans);font-size:10.5px;font-weight:600;line-height:1.5;letter-spacing:.02em;text-transform:uppercase;border:1px solid transparent;white-space:nowrap}.rr-role-badge--member{background:rgba(0,0,0,.04);color:var(--color-text-muted,rgba(0,0,0,.55));border-color:rgba(0,0,0,.08)}.rr-role-badge--expert{background:#ebebed;color:#52525b;border-color:rgba(0,0,0,.12)}.rr-role-badge--admin{background:#fef3c7;color:#854d0e;border-color:rgba(133,77,14,.25)}.rr-table-scroll{width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch;scrollbar-width:thin}.rr-table-scroll>.rr-table,.rr-table-scroll>table{min-width:-moz-max-content;min-width:max-content;border-collapse:collapse}@media (max-width:720px){.rr-table-scroll{background:linear-gradient(90deg,rgba(0,0,0,.08),transparent) 100% /12px 100% no-repeat;background-attachment:local}}[data-theme=dark] .opt-btn{background:var(--color-bg-card);border-color:var(--color-border)}[data-theme=dark] .opt-btn:hover{border-color:var(--color-text-muted)}[data-theme=dark] .opt-letter{background:var(--color-bg-subtle);color:var(--color-text-secondary)}[data-theme=dark] .pq-opt{background:var(--color-bg-card)}[data-theme=dark] .pq-opt:hover:not(:disabled){background:var(--color-bg-subtle)}[data-theme=dark] .pq-opt[data-state=correct]{background:#1A2E22}[data-theme=dark] .pq-opt[data-state=wrong]{background:#2E1A1A}[data-theme=dark] .pq-opt-letter{background:var(--color-bg-subtle)}[data-theme=dark] .sq-card-collapsed{background:var(--color-bg-card)}[data-theme=dark] .sq-card-collapsed:hover{background:var(--color-bg-subtle)}[data-theme=dark] .reset-btn:hover{background:#2E1A1A}[data-theme=dark] .auth-prompt-modal,[data-theme=dark] .home-feature-card,[data-theme=dark] .home-section-card,[data-theme=dark] .reset-modal-sheet{background:var(--color-bg-card)}[data-theme=dark] .home-section-card:hover{background:var(--color-bg-subtle)}[data-theme=dark] .sx-card{background:var(--color-bg-card)}[data-theme=dark] .sx-chip{background:var(--color-bg-subtle)}[data-theme=dark] .sx-chip:hover,[data-theme=dark] .sx-more-menu,[data-theme=dark] .sx-sheet{background:var(--color-bg-card)}[data-theme=dark] .sx-more-row:hover,[data-theme=dark] .sx-subtab{background:var(--color-bg-subtle)}[data-theme=dark] .sx-subtab__count{background:var(--color-bg)}[data-theme=dark] .error-log-card{background:var(--color-bg-card)}.truncate{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;min-width:0}.katex{font-size:1em}.discussion-body,.profile-comment-body{margin:0;font-size:13.5px;line-height:1.6;color:var(--color-text-primary);white-space:pre-wrap;word-break:break-word}.hover\:border-black\/25:hover{border-color:rgb(0 0 0/.25)}.hover\:underline:hover{text-decoration-line:underline}@media (min-width:768px){.md\:mr-4{margin-right:1rem}.md\:flex{display:flex}.md\:hidden{display:none}.md\:h-\[var\(--nav-height\)\]{height:var(--nav-height)}.md\:grid-cols-3{grid-template-columns:repeat(3,minmax(0,1fr))}.md\:grid-cols-4{grid-template-columns:repeat(4,minmax(0,1fr))}.md\:flex-row{flex-direction:row}.md\:px-6{padding-left:1.5rem;padding-right:1.5rem}.md\:text-lg{font-size:1.125rem;line-height:1.75rem}}