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color-mix(in srgb,var(--border) 64%,rgba(255,255,255,.7));border-radius:var(--panel-radius);box-shadow:var(--shadow-soft),inset 0 1px #ffffffc2;padding:20px;min-width:0;-webkit-backdrop-filter:blur(7px);backdrop-filter:blur(7px)}.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) 86%,rgba(255,255,255,.75));color:var(--accent-secondary);display:inline-flex;align-items:center;justify-content:center;cursor:pointer;transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease}.history-refresh-btn:hover{transform:translateY(-1px);border-color:var(--accent-secondary);box-shadow:0 10px 22px #5077b33d}.history-refresh-btn:disabled{opacity:.7;cursor:default}.history-refresh-btn svg{width:18px;height:18px}.history-refresh-btn.spinning svg{animation:refresh-spin .8s linear infinite}.history-code-btn{min-width:68px;padding:7px 10px;font-size:13px;white-space:nowrap}.submission-number-link{border:0;background:transparent;color:#1d5fcc;text-decoration:underline;text-underline-offset:2px;font-weight:800;font-size:17px;letter-spacing:.2px;cursor:pointer;padding:0}.submission-number-link:disabled{opacity:.55;cursor:default}.submission-number-link[aria-disabled=true]{opacity:.55;cursor:default;text-decoration:none}.history-preview{margin-top:14px;border:1px solid var(--border);border-radius:12px;background:var(--bg-card-hover);padding:12px}.history-preview-head{display:flex;justify-content:space-between;gap:10px;align-items:center;margin-bottom:8px}.history-preview-task{font-weight:700}.history-preview-verdict{font-size:13px;color:var(--text-secondary)}.history-preview-reason{margin-bottom:10px;color:var(--text-secondary);font-size:14px}.history-preview-code{margin:0;border-radius:10px;background:#0d1117;color:#f0f6fc;padding:10px 12px;overflow:auto;max-height:340px}@keyframes refresh-spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@keyframes greeting-breath{0%{box-shadow:0 0 0 var(--greet-spread) rgba(var(--greet-rgb),var(--greet-alpha-weak)),0 0 calc(var(--greet-blur) * .55) rgba(var(--greet-rgb),var(--greet-alpha-weak))}50%{box-shadow:0 0 0 var(--greet-spread) rgba(var(--greet-rgb),var(--greet-alpha-strong)),0 0 var(--greet-blur) rgba(var(--greet-rgb),var(--greet-alpha-strong))}to{box-shadow:0 0 0 var(--greet-spread) rgba(var(--greet-rgb),var(--greet-alpha-weak)),0 0 calc(var(--greet-blur) * .55) rgba(var(--greet-rgb),var(--greet-alpha-weak))}}@keyframes greeting-dragon{0%{box-shadow:0 0 0 var(--greet-spread) rgba(var(--greet-rgb),var(--greet-alpha-weak)),0 0 calc(var(--greet-blur) * .65) rgba(var(--greet-rgb),var(--greet-alpha-weak))}20%{box-shadow:0 0 0 var(--greet-spread) rgba(var(--greet-rgb2),var(--greet-alpha-strong)),0 0 var(--greet-blur) rgba(var(--greet-rgb2),var(--greet-alpha-strong))}40%{box-shadow:0 0 0 var(--greet-spread) rgba(var(--greet-rgb),var(--greet-alpha-weak)),0 0 calc(var(--greet-blur) * .7) rgba(var(--greet-rgb),var(--greet-alpha-weak))}60%{box-shadow:0 0 0 var(--greet-spread) rgba(var(--greet-rgb2),var(--greet-alpha-strong)),0 0 calc(var(--greet-blur) * 1.1) rgba(var(--greet-rgb2),var(--greet-alpha-strong))}to{box-shadow:0 0 0 var(--greet-spread) rgba(var(--greet-rgb),var(--greet-alpha-weak)),0 0 calc(var(--greet-blur) * .65) rgba(var(--greet-rgb),var(--greet-alpha-weak))}}@keyframes runner-slide{0%{left:calc(-1 * var(--runner-length))}to{left:calc(100% + var(--runner-length))}}@keyframes pulse-accepted{0%{box-shadow:0 0 #35ba671a}35%{box-shadow:0 0 0 3px #35ba6773,0 0 24px #35ba676b}to{box-shadow:none}}@keyframes pulse-verdict{0%{box-shadow:0 0 #dc65511a}35%{box-shadow:0 0 0 3px #dc65516b,0 0 20px #dc655159}to{box-shadow:none}}@keyframes pulse-rating{0%{box-shadow:0 0 #5077b31a}35%{box-shadow:0 0 0 3px #5077b373,0 0 20px #5077b359}to{box-shadow:none}}@keyframes greeting-path-line{0%{transform:translate3d(-160%,-30%,0) rotate(var(--fx-tilt));opacity:0}8%{opacity:.8}50%{transform:translate3d(20%,calc(-1 * var(--fx-drift)),0) rotate(calc(var(--fx-tilt) * -1));opacity:.9}92%{opacity:.75}to{transform:translate3d(160%,var(--fx-drift),0) rotate(var(--fx-tilt));opacity:0}}@keyframes greeting-path-orbit{0%{transform:translateZ(0) rotate(0)}25%{transform:translate3d(calc(var(--fx-drift) * .8),calc(var(--fx-drift) * -.5),0) rotate(90deg)}50%{transform:translate3d(0,calc(var(--fx-drift) * -1.2),0) rotate(180deg)}75%{transform:translate3d(calc(var(--fx-drift) * -.8),calc(var(--fx-drift) * -.4),0) rotate(270deg)}to{transform:translateZ(0) rotate(360deg)}}@keyframes greeting-path-lemniscate{0%{transform:translateZ(0) rotate(var(--fx-tilt))}12.5%{transform:translate3d(calc(var(--fx-drift) * .7),calc(var(--fx-drift) * -.55),0) rotate(calc(var(--fx-tilt) * -1))}25%{transform:translate3d(var(--fx-drift),0,0) rotate(var(--fx-tilt))}37.5%{transform:translate3d(calc(var(--fx-drift) * .7),calc(var(--fx-drift) * .55),0) rotate(calc(var(--fx-tilt) * -1))}50%{transform:translateZ(0) rotate(var(--fx-tilt))}62.5%{transform:translate3d(calc(var(--fx-drift) * -.7),calc(var(--fx-drift) * -.55),0) rotate(calc(var(--fx-tilt) * -1))}75%{transform:translate3d(calc(var(--fx-drift) * -1),0,0) rotate(var(--fx-tilt))}87.5%{transform:translate3d(calc(var(--fx-drift) * -.7),calc(var(--fx-drift) * .55),0) rotate(calc(var(--fx-tilt) * -1))}to{transform:translateZ(0) rotate(var(--fx-tilt))}}@keyframes greeting-path-torus{0%{transform:translateZ(0) scale(.9)}20%{transform:translate3d(calc(var(--fx-drift) * .7),calc(var(--fx-drift) * -.25),0) scale(1)}40%{transform:translate3d(calc(var(--fx-drift) * .1),calc(var(--fx-drift) * -.7),0) scale(1.05)}60%{transform:translate3d(calc(var(--fx-drift) * -.7),calc(var(--fx-drift) * -.25),0) scale(1)}80%{transform:translate3d(calc(var(--fx-drift) * -.1),calc(var(--fx-drift) * .45),0) scale(.92)}to{transform:translateZ(0) scale(.9)}}@keyframes greeting-path-wave{0%{transform:translate3d(-120%,0,0) rotate(var(--fx-tilt));opacity:0}12%{opacity:.72}50%{transform:translate3d(0,calc(var(--fx-drift) * -.72),0) rotate(calc(var(--fx-tilt) * -1));opacity:.9}88%{opacity:.72}to{transform:translate3d(120%,0,0) rotate(var(--fx-tilt));opacity:0}}@keyframes greeting-path-spiral{0%{transform:translateZ(0) scale(.72) rotate(0)}25%{transform:translate3d(calc(var(--fx-drift) * .34),calc(var(--fx-drift) * -.4),0) scale(.92) rotate(90deg)}50%{transform:translate3d(calc(var(--fx-drift) * .68),0,0) scale(1.08) rotate(180deg)}75%{transform:translate3d(calc(var(--fx-drift) * .34),calc(var(--fx-drift) * .4),0) scale(.92) rotate(270deg)}to{transform:translateZ(0) scale(.72) rotate(360deg)}}@keyframes greeting-path-bounce{0%{transform:translate3d(calc(var(--fx-drift) * -.8),calc(var(--fx-drift) * -.9),0) rotate(var(--fx-tilt));opacity:.7}40%{transform:translate3d(calc(var(--fx-drift) * -.16),calc(var(--fx-drift) * .8),0) rotate(calc(var(--fx-tilt) * -1));opacity:.92}62%{transform:translate3d(calc(var(--fx-drift) * .34),calc(var(--fx-drift) * -.24),0) rotate(var(--fx-tilt));opacity:.88}to{transform:translate3d(calc(var(--fx-drift) * .94),calc(var(--fx-drift) * .74),0) rotate(calc(var(--fx-tilt) * -1));opacity:.68}}.submissions-inspector{display:grid;gap:12px}.submissions-inspector>.panel{padding:12px 14px}.submissions-inspector-toolbar{display:grid;gap:10px}.submissions-inspector-toolbar-row{display:flex;align-items:center;justify-content:space-between;gap:12px}.submissions-inspector-controls{display:inline-flex;align-items:center;gap:8px}.submissions-inspector-controls .input{width:160px;height:36px;min-height:36px;padding:6px 10px}.submissions-inspector-controls .secondary{height:36px;min-height:36px;padding:6px 12px;line-height:1}.submissions-inspector-inline-empty{text-align:center;text-transform:uppercase;font-size:22px;font-weight:800;letter-spacing:.04em}.submissions-inspector-placeholder{border:1px dashed var(--border);border-radius:12px;padding:20px 14px;text-align:center;color:var(--text-muted);background:color-mix(in srgb,var(--bg-card) 72%,transparent)}@media (max-width: 920px){.submissions-inspector-toolbar-row{flex-direction:column;align-items:stretch}.submissions-inspector-controls{width:100%;flex-wrap:wrap}.submissions-inspector-controls .input{width:100%;min-width:0}.submissions-inspector-inline-empty{font-size:18px}}.pack-layout{display:grid;gap:14px}.packs-shell{display:grid;grid-template-columns:286px 1fr;gap:16px;min-height:0}.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 #5077b333}.pack-title{font-weight:800;font-size:16px}.pack-meta{color:var(--text-secondary);font-size:13px}.card-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:14px;align-content:start;max-height:calc(100vh - 180px);overflow-y:auto;scrollbar-gutter:stable;padding:2px}.card{border:1px solid var(--border);border-radius:var(--card-radius);background:color-mix(in srgb,var(--bg-card) 86%,rgba(255,255,255,.76));padding:16px;position:relative;transition:transform .25s ease,box-shadow .25s ease,background .25s ease;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px)}.card.has-working-badge{padding-top:46px}.card:hover{transform:translateY(-2px);background:var(--bg-card-hover);box-shadow:var(--shadow-hover)}.card.selected{border-color:var(--accent-secondary);box-shadow:0 0 0 3px #5077b333}.task-working-badge{position:absolute;top:10px;left:10px;z-index:2;display:inline-flex;align-items:center;justify-content:center;border-radius:999px;padding:4px 10px;border:1px solid var(--border);font-size:12px;font-weight:900;letter-spacing:.02em;pointer-events:none}.task-working-badge.ok{border-color:#2f8f5b6b;color:#1e7b49;background:#2f8f5b21}.task-working-badge.fail{border-color:#c94a4a6b;color:#ad3737;background:#c94a4a1f}.primary,.secondary,.ghost{padding:13px 17px;border-radius:12px;cursor:pointer;transition:.2s ease;font-weight:800;font-size:15px;color:var(--btn-fg);border:1px solid var(--btn-border)}.primary{background:linear-gradient(145deg,var(--btn-bg),color-mix(in srgb,var(--btn-bg) 74%,#ffffff 26%));box-shadow:0 10px 20px color-mix(in srgb,var(--btn-bg) 26%,transparent)}.secondary{background:color-mix(in srgb,var(--btn-bg) 84%,transparent);border-color:color-mix(in srgb,var(--btn-border) 84%,transparent)}.ghost{background:color-mix(in srgb,var(--btn-bg) 74%,transparent);border-color:color-mix(in srgb,var(--btn-border) 80%,transparent);-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px)}.primary:hover{background:linear-gradient(145deg,var(--btn-bg-hover),color-mix(in srgb,var(--btn-bg-hover) 74%,#ffffff 26%));border-color:var(--btn-border-hover)}.secondary:hover{background:color-mix(in srgb,var(--btn-bg-hover) 84%,transparent);border-color:color-mix(in srgb,var(--btn-border-hover) 84%,transparent)}.ghost:hover{background:color-mix(in srgb,var(--btn-bg-hover) 74%,transparent);border-color:color-mix(in srgb,var(--btn-border-hover) 80%,transparent)}.primary:hover,.secondary:hover,.ghost:hover{transform:translateY(-1px)}.table{width:100%;border-collapse:collapse;font-size:14px}.table th{text-align:left;padding:12px 10px;color:var(--text-secondary);font-weight:700;background:#ffffff70;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px)}.table td{padding:11px 10px;border-top:1px solid var(--border);transition:background-color .55s ease,box-shadow .55s ease,border-radius .55s ease}.table tbody tr:nth-child(odd) td{background:#ffffff47}.table tbody tr:hover td{background:#aabfdc33}.table-header-row{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:10px}.table-header-row-tight{justify-content:flex-end;margin-bottom:8px}.find-me-btn{min-height:36px;padding:8px 12px;font-size:13px;color:#f4f8ff}.table-actions-row{display:inline-flex;align-items:center;gap:8px;flex-wrap:wrap}.sort-toggle-btn{min-height:36px;padding:8px 12px;font-size:13px;color:#f4f8ff}.rating-pagination-row{display:flex;align-items:center;justify-content:flex-end;gap:10px;margin-bottom:10px}.rating-page-btn{min-height:34px;padding:7px 10px;font-size:13px;color:#f4f8ff}.theme-student .rating-page-btn,.theme-student .sort-toggle-btn,.theme-student .find-me-btn{color:#10284f}.rating-page-meta{color:var(--text-secondary);font-size:13px;font-weight:700}.table-search-input{width:min(240px,100%);min-height:36px;padding:8px 10px;font-size:13px}.table-search-wrap{position:relative;display:inline-flex;align-items:center}.table-search-wrap .table-search-input{padding-right:34px}.table-search-clear{position:absolute;right:7px;top:50%;transform:translateY(-50%);width:22px;height:22px;border:1px solid var(--border);border-radius:7px;background:color-mix(in srgb,var(--bg-card-hover) 82%,#ffffff);color:var(--text-secondary);font-size:14px;line-height:1;font-weight:900;cursor:pointer;display:inline-flex;align-items:center;justify-content:center}.table-search-clear:hover{border-color:color-mix(in srgb,var(--accent-secondary) 46%,var(--border));color:var(--text-main)}.table th.history-col-date,.table td.history-col-date{text-align:center;white-space:nowrap}.history-task-separator td{border-top:none;padding:12px 0 8px;background:transparent!important}.history-task-separator-inner{display:inline-flex;align-items:center;gap:8px;padding:7px 12px;border-radius:10px;border:1px solid color-mix(in srgb,var(--accent-secondary) 38%,var(--border));background:color-mix(in srgb,var(--bg-card-hover) 70%,#ffffff)}.history-task-code{font-weight:800;color:var(--text-main)}.history-task-title{font-weight:700;color:var(--text-secondary)}.history-attempt-marker{font-weight:700;color:var(--text-secondary);white-space:nowrap}.history-attempt-blank{color:var(--text-muted)}.history-task-block+.history-task-block .history-task-separator td{padding-top:16px}.corner-error-toast{position:fixed;right:24px;bottom:24px;z-index:9999;border:1px solid rgba(201,74,74,.58);background:#c94a4aeb;color:#fff3f3;border-radius:12px;padding:10px 12px;font-size:13px;font-weight:700;box-shadow:0 10px 24px #781e1e59;pointer-events:none}.inline-error-banner{margin-bottom:10px;border:1px solid rgba(201,74,74,.58);background:#c94a4a29;color:#a42b2b;border-radius:10px;padding:8px 10px;font-size:13px;font-weight:700}.logs-panel{height:100%;min-height:0;display:grid;grid-template-rows:auto auto auto minmax(0,1fr);gap:12px}.logs-body{margin-top:12px;min-height:0;display:grid;grid-template-rows:auto minmax(55vh,1fr);gap:16px}.logs-controls{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.logs-source-tabs{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.logs-source-tab{min-height:34px;padding:6px 12px;color:#f4f8ff}.logs-source-tab.active{border-color:var(--accent-secondary);background:color-mix(in srgb,var(--accent-secondary) 24%,#1b1f28)}.logs-select{min-width:240px}.logs-select.logs-mini{min-width:150px}.logs-search-input{min-width:220px;max-width:320px}.logs-refresh-btn{min-height:36px;color:#f4f8ff}.logs-meta{color:var(--text-secondary);font-size:12px;font-weight:700}.logs-console-wrap{border:1px solid color-mix(in srgb,var(--border) 76%,rgba(255,255,255,.4));border-radius:12px;background:#0d1117;padding:12px;min-height:55vh;overflow:auto;height:100%}.logs-console{margin:0;min-height:100%;color:#c9d1d9;font-size:13px;line-height:1.5;font-family:JetBrains Mono,Roboto Mono,ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,monospace;white-space:pre}.logs-line{display:block;white-space:pre}.logs-line.match{background:#2f6aff3d;border-radius:6px}.found-self-row td{position:relative;box-shadow:inset 0 2px color-mix(in srgb,var(--find-ring, var(--accent-secondary)) 72%,transparent),inset 0 -2px color-mix(in srgb,var(--find-ring, var(--accent-secondary)) 72%,transparent);background-color:color-mix(in srgb,var(--find-ring, var(--accent-secondary)) 10%,rgba(255,255,255,.92));animation:found-row-pulse 1.7s ease-in-out 2}.found-self-row td:first-child{box-shadow:inset 2px 2px color-mix(in srgb,var(--find-ring, var(--accent-secondary)) 72%,transparent),inset 0 -2px color-mix(in srgb,var(--find-ring, var(--accent-secondary)) 72%,transparent);border-top-left-radius:10px;border-bottom-left-radius:10px}.found-self-row td:last-child{box-shadow:inset -2px 2px color-mix(in srgb,var(--find-ring, var(--accent-secondary)) 72%,transparent),inset 0 -2px color-mix(in srgb,var(--find-ring, var(--accent-secondary)) 72%,transparent);border-top-right-radius:10px;border-bottom-right-radius:10px}@keyframes found-row-pulse{0%{background-color:color-mix(in srgb,var(--find-ring, var(--accent-secondary)) 6%,rgba(255,255,255,.94))}50%{background-color:color-mix(in srgb,var(--find-ring, var(--accent-secondary)) 16%,rgba(255,255,255,.9))}to{background-color:color-mix(in srgb,var(--find-ring, var(--accent-secondary)) 10%,rgba(255,255,255,.92))}}.status{display:inline-block;padding:6px 10px;border-radius:999px;font-size:12px}.status.scored{background:#e6f5ed;color:#1e6f45}.status.pending{background:#fff2de;color:#b96a08}.status.failed{background:#fdeaea;color:#c94a4a}.verdict-badge{display:inline-flex;align-items:center;gap:7px;position:relative;overflow:hidden;padding:5px 10px;border-radius:999px;border:1px solid transparent;background:#ffffff80;line-height:1}.verdict-icon{width:18px;height:18px;display:inline-flex;align-items:center;justify-content:center}.verdict-icon svg{width:18px;height:18px}.verdict-emoji{font-size:16px;line-height:1}.verdict-text{font-weight:800;letter-spacing:.1px}.verdict-testing{display:inline-flex;align-items:baseline;min-width:10ch}.verdict-testing-dots{display:inline-flex;width:3ch;justify-content:flex-start}.verdict-testing-dot{opacity:.2;animation:verdict-testing-dot 1.2s ease-in-out infinite}.verdict-testing-dot.dot-1{animation-delay:0s}.verdict-testing-dot.dot-2{animation-delay:.2s}.verdict-testing-dot.dot-3{animation-delay:.4s}.verdict-badge.accepted{border-color:#2ea2599e;background:linear-gradient(135deg,#44c47629,#22965240 55%,#44c47624);box-shadow:0 8px 20px #1e965033;animation:verdict-success-glow 1.8s ease-in-out 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