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var(--border);border-radius:12px;background:#ffffffbd;display:grid;place-items:center;gap:12px;padding:18px;color:var(--text-secondary);z-index:8}.page-loader.compact{min-height:78px;padding:12px}.page-loader.overlay{position:absolute;top:0;right:0;bottom:0;left:0;min-height:0;-webkit-backdrop-filter:blur(1px);backdrop-filter:blur(1px)}.history-content-shell,.rating-content-shell,.submission-route-shell,.submission-detail-shell,.submissions-inspector-content-shell,.submission-attempts-shell,.plag-results-body-shell,.plag-admin-table-shell,.lc-dashboard-shell,.lc-task-table-shell,.teacher-groups-rating-shell,.teacher-pack-table-shell,.submission-archive-main-shell{position:relative}.rating-content-shell{overflow-x:auto;-webkit-overflow-scrolling:touch}.page-loader-spinner{width:26px;height:26px;border-radius:50%;border:3px solid rgba(80,119,179,.22);border-top-color:var(--accent-secondary);animation:page-loader-spin .8s linear infinite}.page-loader-lines{display:grid;gap:7px;width:min(280px,80%)}.page-loader-lines span{height:8px;border-radius:999px;background:linear-gradient(90deg,#5077b31f,#5077b347,#5077b31f);background-size:200% 100%;animation:page-loader-shimmer 1.1s ease-in-out infinite}.page-loader-lines span:nth-child(2){width:76%}.page-loader-lines span:nth-child(3){width:58%}@keyframes page-loader-spin{to{transform:rotate(360deg)}}@keyframes page-loader-shimmer{0%{background-position:120% 0}to{background-position:-120% 0}}.section-title{margin:0 0 14px;font-size:22px;font-weight:800;color:var(--accent-primary)}.history-title-row{display:flex;align-items:center;justify-content:center;margin-bottom:8px;position:relative}.history-title{text-align:center}.history-title-row .history-refresh-btn{position:absolute;right:0}.history-refresh-btn{width:36px;height:36px;border-radius:10px;border:1px solid var(--border);background:color-mix(in srgb,var(--bg-card) 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var(--border);border-radius:8px;background:var(--bg-card-hover);color:var(--text-muted);font-size:13px}.lc-year-pipeline-step b{color:var(--text-main);font-size:14px}.lc-next-pack-hint{margin-top:12px}@media (max-width: 760px){.lc-year-pipeline{grid-template-columns:1fr}}.pack-list{display:grid;gap:10px;align-content:start;max-height:calc(100vh - 180px);overflow-y:auto;scrollbar-gutter:stable;padding:4px}.pack-button{border:1px solid var(--border);background:color-mix(in srgb,#fff 88%,rgba(255,255,255,.74));border-radius:12px;text-align:left;padding:12px;cursor:pointer;display:grid;gap:3px;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease,background .2s ease;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px)}.pack-button:hover{transform:translateY(-1px);box-shadow:var(--shadow-soft);background:color-mix(in srgb,#fff 72%,rgba(255,255,255,.9))}.pack-button.active{border-color:var(--accent-secondary);box-shadow:0 0 0 3px 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