:root{--text:#6b6375;--text-h:#08060d;--bg:#fff;--app-bg:#f4f5fa;--surface:#fff;--border:#e5e4e7;--code-bg:#f4f3ec;--accent:#7c3aed;--accent-2:#4f46e5;--accent-bg:#7c3aed1a;--accent-border:#7c3aed80;--social-bg:#f4f3ec80;--shadow:#0000001a 0 10px 15px -3px, #0000000d 0 4px 6px -2px;--shadow-sm:#140f280f 0 1px 2px, #140f280a 0 1px 1px;--gold:#d4a017;--gold-bg:#d4a0171f;--silver:#8a8f98;--silver-bg:#8a8f981f;--bronze:#b3672b;--bronze-bg:#b3672b1f;--success:#16a34a;--danger:#dc2626;--sans:system-ui, "Segoe UI", Roboto, sans-serif;--heading:system-ui, "Segoe UI", Roboto, sans-serif;--mono:ui-monospace, Consolas, monospace;font:16px/145% var(--sans);letter-spacing:.1px;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;color:var(--text);background:var(--app-bg);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}*{box-sizing:border-box}body{background:var(--app-bg);margin:0}#root{flex-direction:column;min-height:100svh;display:flex}h1,h2,h3{font-family:var(--heading);color:var(--text-h);margin:0;font-weight:600;line-height:1.15}p{margin:0}button,input,select,textarea{font:inherit;color:inherit}code{font-family:var(--mono);background:var(--code-bg);color:var(--text-h);border-radius:4px;padding:4px 8px;font-size:15px;line-height:135%}.app-shell{flex-direction:column;min-height:100svh;display:flex}.app-main{box-sizing:border-box;flex:1;width:100%;max-width:1180px;margin:0 auto;padding:28px 24px 64px}.top-bar{grid-template-columns:1fr auto 1fr;align-items:center;gap:12px;margin-bottom:36px;display:grid}.top-bar-left{justify-self:start}.top-bar-center{justify-self:center}.top-bar-right{justify-self:end}.brand-logo{width:auto;height:40px;display:block}.reset-link{color:var(--text);cursor:pointer;background:0 0;border:none;border-radius:8px;padding:6px 10px;font-size:12.5px;font-weight:600;-webkit-text-decoration:underline #0000;text-decoration:underline #0000;transition:color .15s,text-decoration-color .15s}.reset-link:hover{color:var(--danger);-webkit-text-decoration-color:var(--danger);text-decoration-color:var(--danger)}.top-controls-sub{justify-content:center;margin-bottom:24px;display:flex}.segmented{background:var(--border);border-radius:999px;gap:2px;padding:4px;display:inline-flex}.segmented-btn{cursor:pointer;color:var(--text);background:0 0;border:none;border-radius:999px;padding:9px 22px;font-size:14px;font-weight:600;transition:background .15s,color .15s,box-shadow .15s}.segmented-btn.active{background:var(--surface);color:var(--text-h);box-shadow:var(--shadow-sm)}.segmented-sm .segmented-btn{padding:6px 14px;font-size:12.5px}.btn{cursor:pointer;white-space:nowrap;border:none;border-radius:8px;padding:9px 16px;font-size:14px;font-weight:600;transition:filter .15s,background .15s,border-color .15s}.btn-primary{background:linear-gradient(135deg, var(--accent), var(--accent-2));color:#fff}.btn-primary:hover{filter:brightness(1.08)}.btn-secondary{background:var(--accent-bg);color:var(--accent);border:1px solid var(--accent-border)}.btn-secondary:hover{filter:brightness(1.05)}.btn-ghost{border:1px solid var(--border);color:var(--text);background:0 0}.btn-ghost:hover{border-color:var(--danger);color:var(--danger)}.btn-icon{border:1px solid var(--border);background:var(--surface);cursor:pointer;width:32px;height:32px;color:var(--text);border-radius:8px;flex-shrink:0;justify-content:center;align-items:center;display:inline-flex}.btn-icon:hover{border-color:var(--danger);color:var(--danger)}input[type=text],input[type=number],select,textarea{border:1px solid var(--border);background:var(--surface);color:var(--text-h);border-radius:8px;outline:none;width:100%;padding:9px 12px;transition:border-color .15s}input[type=text]:focus,input[type=number]:focus,select:focus,textarea:focus{border-color:var(--accent)}textarea{resize:vertical;font-family:var(--sans)}.hero{pointer-events:none;justify-content:center;margin-bottom:-45px;padding-top:8px;display:flex}.watermark-word{letter-spacing:-3px;color:var(--border);white-space:nowrap;font-size:clamp(60px,10vw,148px);font-weight:800;line-height:1}.stats-row{grid-template-columns:repeat(4,1fr);gap:12px;margin-bottom:32px;display:grid}.stat-chip{background:var(--surface);border:1px solid var(--border);box-shadow:var(--shadow-sm);border-radius:14px;align-items:center;gap:12px;padding:14px 16px;display:flex}.stat-icon{background:var(--accent-bg);width:38px;height:38px;color:var(--accent);border-radius:10px;flex-shrink:0;justify-content:center;align-items:center;display:inline-flex}.stat-text{flex-direction:column;display:flex}.stat-value{color:var(--text-h);font-size:20px;font-weight:700;line-height:1.2}.stat-label{color:var(--text);font-size:12px}.podium{flex-wrap:wrap;justify-content:center;align-items:flex-end;gap:20px;margin-bottom:36px;display:flex}.podium-card{background:var(--surface);border:1px solid var(--border);text-align:center;width:280px;box-shadow:var(--shadow-sm);border-radius:24px;padding:28px 30px 26px;position:relative}.podium-card.rank-1{border-top:4px solid var(--gold);box-shadow:var(--shadow);z-index:1;order:2;transform:translateY(-16px)}.podium-card.rank-2{border-top:4px solid var(--silver);order:1}.podium-card.rank-3{border-top:4px solid var(--bronze);order:3}.podium-rank-badge{letter-spacing:-.5px;font-size:30px;font-weight:700;line-height:1;position:absolute;top:18px;right:22px}.podium-card.rank-1 .podium-rank-badge{color:var(--gold)}.podium-card.rank-2 .podium-rank-badge{color:var(--silver)}.podium-card.rank-3 .podium-rank-badge{color:var(--bronze)}.podium-card .gradient-avatar{margin:10px auto 16px}.podium-name{letter-spacing:-.3px;margin-bottom:4px;font-size:24px;font-weight:700}.podium-members{color:var(--text);margin-bottom:20px;font-size:14px}.podium-stats{border-top:1px solid var(--border);justify-content:space-between;padding-top:16px;display:flex}.podium-stat{flex-direction:column;flex:1;display:flex}.podium-stat-value{color:var(--text-h);font-size:19px;font-weight:700}.podium-stat-label{color:var(--text);text-transform:uppercase;letter-spacing:.4px;font-size:11.5px}.gradient-avatar{color:#fff;box-shadow:var(--shadow-sm);flex-shrink:0;justify-content:center;align-items:center;font-weight:700;display:flex}.leaderboard-table-wrap{background:var(--surface);border:1px solid var(--border);box-shadow:var(--shadow-sm);border-radius:16px;overflow:auto hidden}.leaderboard-table{border-collapse:collapse;width:100%;font-size:14px}.leaderboard-table th{text-align:left;text-transform:uppercase;letter-spacing:.4px;color:var(--text);border-bottom:1px solid var(--border);white-space:nowrap;padding:12px 16px;font-size:12px}.leaderboard-table td{border-bottom:1px solid var(--border);vertical-align:middle;padding:12px 16px}.leaderboard-table tr:last-child 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var(--border);box-shadow:var(--shadow-sm);border-radius:16px;padding:22px}.panel-card h2{margin-bottom:16px;font-size:18px}.field{margin-bottom:22px}.field:last-child{margin-bottom:0}.field>label{color:var(--text-h);margin-bottom:8px;font-size:13px;font-weight:600;display:block}.field-hint{color:var(--text);margin-top:6px;font-size:12.5px}.field textarea{margin-bottom:10px}.inline-row{gap:8px;display:flex}.inline-row input[type=number]{flex-shrink:0;width:90px}.random-groups-field input[type=number]{width:76px}.assign-bar{z-index:5;background:var(--text-h);color:var(--bg);box-shadow:var(--shadow);border-radius:14px;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:16px;padding:10px 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.student-select-dot{background:var(--accent);border-color:var(--accent)}.student-name{color:var(--text-h);flex:1;font-size:14px;font-weight:500}.student-group-tag{color:var(--accent);background:var(--accent-bg);white-space:nowrap;border-radius:999px;padding:3px 10px;font-size:11.5px;font-weight:600}.student-group-tag.unassigned{color:var(--text);background:var(--border)}.group-list{flex-direction:column;gap:14px;margin:0;padding:0;list-style:none;display:flex}.group-card{border:1px solid var(--border);background:var(--app-bg);border-radius:14px;padding:14px}.group-card-header{align-items:center;gap:10px;margin-bottom:12px;display:flex}.group-name-input{background:var(--surface);flex:1;font-weight:600}.group-drop-btn{white-space:nowrap;flex-shrink:0}.member-chips{flex-wrap:wrap;gap:6px;min-height:26px;margin-bottom:12px;display:flex}.member-chip{background:var(--surface);border:1px solid 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12px}.task-matrix-taskcol{min-width:260px;text-align:left!important}.task-matrix-groupcol{display:table-cell}.task-matrix th.task-matrix-groupcol{color:var(--text-h);font-weight:600}.task-matrix th .gradient-avatar{margin:0 auto 4px}.task-matrix th.task-matrix-groupcol span{font-size:12px;display:block}.task-name-row{align-items:center;gap:8px;display:flex}.task-name{color:var(--text-h);flex:1;font-weight:600}.task-points-input{width:60px;padding:6px 8px}.task-points-suffix{color:var(--text);font-size:12px}.task-matrix-cell input[type=checkbox]{width:18px;height:18px;accent-color:var(--accent);cursor:pointer}@media (width<=860px){.top-bar{grid-template-columns:1fr;justify-items:center;gap:10px}.top-bar-left,.top-bar-center,.top-bar-right{justify-self:center}.stats-row{grid-template-columns:repeat(2,1fr)}.manage-grid{grid-template-columns:1fr}.podium-card{width:100%;max-width:280px}.podium-card.rank-1{order:1;transform:none}.podium-card.rank-2{order:2}.podium-card.rank-3{order:3}.hero{margin-bottom:-23px;padding-top:4px}}