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span,.nav-btn-full,.nav-btn-compact{display:none!important}.nav-auth-buttons{align-items:center!important;gap:8px!important;display:flex!important}.nav-auth-btn{border-radius:var(--radius-md)!important;white-space:nowrap!important;align-items:center!important;gap:5px!important;height:36px!important;padding:0 12px!important;font-size:13px!important;font-weight:600!important;display:inline-flex!important}.nav-user-info{display:none!important}.nav-user-badge{background:0 0!important;border:none!important;padding:0!important}.nav-user-avatar{width:34px!important;height:34px!important;font-size:13px!important;box-shadow:0 1px 3px #0000001a!important}.home-hero-section{padding:24px 0 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#0000000a!important}.card-header-row{justify-content:space-between!important;align-items:center!important;width:100%!important;display:flex!important}.card-question-title{margin-top:6px!important;margin-bottom:6px!important;font-size:17px!important;font-weight:700!important;line-height:1.35!important}.card-question-content{color:var(--text-secondary)!important;margin-bottom:12px!important;font-size:14px!important;line-height:1.55!important}.card-footer{border-top:1px solid var(--border-light)!important;flex-direction:column!important;align-items:stretch!important;gap:12px!important;margin-top:2px!important;padding-top:14px!important;display:flex!important}.card-footer-author{justify-content:flex-start!important;align-items:center!important;gap:8px!important;font-size:13px!important;display:flex!important}.card-action-bar{grid-template-columns:1fr 1fr!important;gap:8px!important;width:100%!important;display:grid!important}.card-action-bar 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6px!important;font-size:13px!important}.modal-upload-buttons{grid-template-columns:1fr!important;gap:8px!important;display:grid!important}.modal-upload-buttons .btn{justify-content:center!important;width:100%!important}.admin-stats-grid{grid-template-columns:repeat(2,1fr)!important;gap:10px!important}.admin-stats-grid .card{padding:12px!important}.admin-stats-grid .card>div:last-child{font-size:22px!important}.admin-tabs-nav{scrollbar-width:none!important;-webkit-overflow-scrolling:touch!important;gap:4px!important}.admin-tabs-nav::-webkit-scrollbar{display:none!important}.admin-tabs-nav button{padding:10px 12px!important;font-size:13px!important}.admin-security-card{padding:20px 16px!important}}@media screen and (max-width:380px){.app-container{padding:0 12px!important}.nav-actions,.nav-auth-buttons{gap:6px!important}.nav-auth-btn{gap:3px!important;height:35px!important;padding:0 10px!important;font-size:12px!important}.nav-theme-btn,.nav-ask-btn,.nav-admin-btn,.nav-logout-btn{width:34px!important;height:34px!important}.brand-icon{width:35px!important;height:35px!important}.home-hero-title{font-size:21px!important}}.leaderboard-dashboard-wrapper{animation:.3s fadeIn}.leaderboard-hero-banner{background:radial-gradient(ellipse at 50% -20%, #2563eb1f 0%, var(--bg-card) 75%);border-bottom:1px solid var(--border-light);padding:40px 0 32px;position:relative}[data-theme=dark] .leaderboard-hero-banner{background:radial-gradient(ellipse at 50% -20%, #3b82f62e 0%, var(--bg-card) 80%)}.leaderboard-hero-header{max-width:720px}.leaderboard-badge-tag{border-radius:var(--radius-full);color:var(--color-accent);letter-spacing:.05em;background:#2563eb1a;border:1px solid #2563eb33;align-items:center;gap:6px;margin-bottom:12px;padding:5px 12px;font-size:11px;font-weight:700;display:inline-flex}.tag-sparkle{color:#f59e0b}.leaderboard-title{letter-spacing:-.03em;color:var(--text-primary);margin-bottom:8px;font-size:32px;font-weight:800;line-height:1.2}.leaderboard-subtitle{color:var(--text-secondary);font-size:15px;line-height:1.6}.leaderboard-metrics-grid{grid-template-columns:repeat(4,1fr);gap:16px;margin-top:28px;display:grid}.metric-box{background:var(--bg-card);border:1px solid var(--border-light);border-radius:var(--radius-md);box-shadow:var(--shadow-sm);transition:transform var(--transition-fast), box-shadow var(--transition-fast);align-items:center;gap:14px;padding:16px 20px;display:flex}.metric-box:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}.metric-icon-wrap{border-radius:var(--radius-md);flex-shrink:0;justify-content:center;align-items:center;width:44px;height:44px;display:flex}.metric-accent-blue{color:#2563eb;background:#2563eb1f}.metric-accent-emerald{color:#10b981;background:#10b9811f}.metric-accent-purple{color:#8b5cf6;background:#8b5cf61f}.metric-accent-amber{color:#f59e0b;background:#f59e0b1f}.metric-content{overflow:hidden}.metric-value{color:var(--text-primary);font-size:20px;font-weight:800;line-height:1.2}.metric-label{color:var(--text-muted);margin-top:2px;font-size:12px;font-weight:500}.my-standing-card{border-radius:var(--radius-md);box-shadow:var(--shadow-sm);background:linear-gradient(135deg,#2563eb14 0%,#8b5cf60d 100%);border:1px solid #2563eb40;justify-content:space-between;align-items:center;gap:20px;padding:18px 24px;display:flex}.my-standing-info{align-items:center;gap:16px;display:flex}.my-standing-avatar{background:linear-gradient(135deg, var(--color-primary), var(--color-accent));color:#fff;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:48px;height:48px;font-size:20px;font-weight:800;display:flex;box-shadow:0 4px 10px #2563eb40}.my-standing-details{flex-direction:column;gap:4px;display:flex}.my-standing-title-row{flex-wrap:wrap;align-items:center;gap:10px;display:flex}.my-standing-name{color:var(--text-primary);font-size:16px;font-weight:700}.my-standing-pill{border-radius:var(--radius-full);background:var(--color-accent);color:#fff;padding:2px 8px;font-size:12px;font-weight:700}.my-tier-badge{border-radius:var(--radius-full);background:var(--bg-card);border:1px solid;padding:2px 8px;font-size:11px;font-weight:700}.my-standing-stats-row{color:var(--text-secondary);align-items:center;gap:8px;font-size:13px;display:flex}.my-contribute-btn{padding:8px 16px;font-size:13px}.leaderboard-controls-card{background:var(--bg-card);border:1px solid var(--border-light);border-radius:var(--radius-md);box-shadow:var(--shadow-sm);flex-direction:column;gap:16px;padding:18px 20px;display:flex}.controls-row-top{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;display:flex}.timeframe-toggle-group{background:var(--bg-subtle);border-radius:var(--radius-md);border:1px solid var(--border-light);align-items:center;padding:4px;display:flex}.timeframe-btn{color:var(--text-secondary);border-radius:var(--radius-sm);cursor:pointer;transition:all var(--transition-fast);background:0 0;border:none;padding:6px 14px;font-size:13px;font-weight:600}.timeframe-btn.is-active{background:var(--bg-card);color:var(--color-accent);box-shadow:var(--shadow-sm)}.view-mode-toggle-group{background:var(--bg-subtle);border-radius:var(--radius-md);border:1px solid var(--border-light);align-items:center;padding:4px;display:flex}.view-mode-btn{color:var(--text-secondary);border-radius:var(--radius-sm);cursor:pointer;transition:all var(--transition-fast);background:0 0;border:none;align-items:center;gap:6px;padding:6px 14px;font-size:13px;font-weight:600;display:inline-flex}.view-mode-btn.is-active{background:var(--bg-card);color:var(--color-accent);box-shadow:var(--shadow-sm)}.controls-row-bottom{flex-wrap:wrap;align-items:center;gap:12px;display:flex}.leaderboard-search-wrapper{flex:1;min-width:240px;position:relative}.search-icon-inside{color:var(--text-muted);position:absolute;top:50%;left:14px;transform:translateY(-50%)}.leaderboard-search-input{width:100%;height:42px;padding-left:40px;padding-right:36px;font-size:13.5px}.search-clear-btn{color:var(--text-muted);cursor:pointer;background:0 0;border:none;position:absolute;top:50%;right:12px;transform:translateY(-50%)}.leaderboard-select-wrapper{min-width:170px;position:relative}.select-icon-inside{color:var(--text-muted);pointer-events:none;position:absolute;top:50%;left:12px;transform:translateY(-50%)}.leaderboard-field-select,.leaderboard-sort-select{height:42px;color:var(--text-primary);background-color:var(--bg-input);padding-left:36px;padding-right:32px;font-size:13px;font-weight:600}.leaderboard-loading-state{text-align:center;color:var(--text-muted);flex-direction:column;align-items:center;gap:16px;padding:80px 20px;display:flex}.loading-spinner-ring{border:3px solid var(--border-light);border-top-color:var(--color-accent);border-radius:50%;width:36px;height:36px;animation:.8s linear infinite spin}.empty-leaderboard-card{text-align:center;max-width:500px;margin:0 auto;padding:60px 24px}.empty-trophy-circle{background:var(--bg-subtle);width:64px;height:64px;color:var(--text-muted);border-radius:50%;justify-content:center;align-items:center;margin:0 auto 16px;display:flex}.podium-pedestal-grid{grid-template-columns:1fr 1.15fr 1fr;align-items:flex-end;gap:18px;margin-bottom:32px;display:grid}.podium-step{background:var(--bg-card);border:1px solid var(--border-light);border-radius:var(--radius-lg);text-align:center;cursor:pointer;transition:transform var(--transition-normal), box-shadow var(--transition-normal), border-color var(--transition-normal);box-shadow:var(--shadow-sm);flex-direction:column;align-items:center;padding:24px 18px 20px;display:flex;position:relative}.podium-step:hover{box-shadow:var(--shadow-float);transform:translateY(-6px)}.podium-gold-step{background:linear-gradient(180deg, #f59e0b14 0%, var(--bg-card) 45%);border-color:#f59e0b66;padding-top:36px;padding-bottom:26px}.podium-silver-step{background:linear-gradient(180deg, #94a3b814 0%, var(--bg-card) 45%);border-color:#94a3b866}.podium-bronze-step{background:linear-gradient(180deg, #d977060f 0%, var(--bg-card) 45%);border-color:#d977064d}.podium-crown-icon{color:#f59e0b;filter:drop-shadow(0 2px 8px #f59e0b80);animation:2s ease-in-out infinite pulseGold;position:absolute;top:-18px}@keyframes pulseGold{0%,to{transform:scale(1)}50%{transform:scale(1.1)}}.podium-rank-badge{border-radius:var(--radius-full);align-items:center;gap:4px;margin-bottom:12px;padding:3px 10px;font-size:12px;font-weight:800;display:inline-flex}.rank-badge-gold{color:#fff;background:#f59e0b;box-shadow:0 2px 8px #f59e0b66}.rank-badge-silver{color:#fff;background:#94a3b8;box-shadow:0 2px 8px #94a3b866}.rank-badge-bronze{color:#fff;background:#b45309;box-shadow:0 2px 8px #b4530966}.podium-avatar-ring{color:#fff;width:64px;height:64px;box-shadow:var(--shadow-md);border-radius:50%;justify-content:center;align-items:center;margin-bottom:12px;font-size:24px;font-weight:800;display:flex}.avatar-gold{background:linear-gradient(135deg,#f59e0b 0%,#d97706 100%);border:3px solid #f59e0b80;width:76px;height:76px;font-size:28px}.avatar-silver{background:linear-gradient(135deg,#94a3b8 0%,#64748b 100%);border:2px solid #94a3b880}.avatar-bronze{background:linear-gradient(135deg,#d97706 0%,#b45309 100%);border:2px solid #d9770666}.podium-scholar-name{color:var(--text-primary);white-space:nowrap;text-overflow:ellipsis;max-width:100%;font-size:16px;font-weight:800;overflow:hidden}.podium-username{color:var(--text-muted);margin-bottom:10px;font-size:12px}.podium-score-pill{background:var(--bg-subtle);border:1px solid var(--border-light);border-radius:var(--radius-full);color:var(--text-primary);margin-bottom:10px;padding:6px 14px;font-size:13px}.gold-score-pill{color:#d97706;background:#f59e0b1f;border-color:#f59e0b4d}[data-theme=dark] .gold-score-pill{color:#fbbf24}.podium-secondary-stat{flex-wrap:wrap;justify-content:center;align-items:center;gap:6px;margin-bottom:16px;display:flex}.verified-stat-pill{color:#10b981;align-items:center;gap:4px;font-size:11px;font-weight:700;display:inline-flex}.field-tag-mini{color:var(--text-muted);background:var(--bg-subtle);border-radius:var(--radius-sm);padding:2px 8px;font-size:11px}.podium-base{border-radius:var(--radius-sm);letter-spacing:.08em;width:100%;padding:8px 0;font-size:10.5px;font-weight:800}.base-gold{color:#b45309;background:#f59e0b26}[data-theme=dark] .base-gold{color:#fbbf24}.base-silver{color:#475569;background:#94a3b826}[data-theme=dark] .base-silver{color:#cbd5e1}.base-bronze{color:#92400e;background:#d977061f}[data-theme=dark] .base-bronze{color:#f59e0b}.remaining-solvers-container{margin-top:24px}.remaining-solvers-heading{color:var(--text-primary);margin-bottom:14px;font-size:18px;font-weight:700}.solver-cards-list{flex-direction:column;gap:12px;display:flex}.solver-row-card{background:var(--bg-card);border:1px solid var(--border-light);border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition-fast);box-shadow:var(--shadow-sm);justify-content:space-between;align-items:center;gap:18px;padding:14px 20px;display:flex}.solver-row-card:hover{border-color:var(--border-focus);box-shadow:var(--shadow-md);transform:translate(4px)}.solver-row-card.is-me-card{border-color:var(--color-accent);background:linear-gradient(90deg, #2563eb0d 0%, var(--bg-card) 100%)}.solver-card-left{align-items:center;gap:14px;min-width:260px;display:flex}.solver-rank-chip{color:var(--text-muted);text-align:center;width:28px;font-size:13px;font-weight:700}.solver-avatar-circle{background:linear-gradient(135deg, var(--color-primary), var(--color-accent));color:#fff;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:42px;height:42px;font-size:16px;font-weight:700;display:flex}.solver-info-block{flex-direction:column;gap:3px;display:flex}.solver-name-row{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.solver-display-name{color:var(--text-primary);font-size:14px;font-weight:700}.you-badge-chip{border-radius:var(--radius-full);background:var(--color-accent);color:#fff;text-transform:uppercase;padding:1px 6px;font-size:10px;font-weight:800}.solver-tier-chip{border-radius:var(--radius-full);background:var(--bg-subtle);border:1px solid;padding:1px 7px;font-size:11px;font-weight:600}.solver-meta-row{color:var(--text-muted);align-items:center;gap:6px;font-size:12px;display:flex}.solver-top-field{color:var(--color-accent);font-weight:500}.solver-card-center{flex-direction:column;flex:1;gap:6px;max-width:320px;display:flex}.solver-bar-labels{justify-content:space-between;align-items:center;font-size:12px;display:flex}.solver-solutions-count{color:var(--text-primary)}.solver-verified-pill{color:#10b981;align-items:center;gap:4px;font-size:11px;font-weight:600;display:inline-flex}.solver-bar-track{background:var(--bg-subtle);border-radius:var(--radius-full);height:6px;overflow:hidden}.solver-bar-fill{background:linear-gradient(90deg, var(--color-primary), var(--color-accent));border-radius:var(--radius-full);height:100%;transition:width .5s}.solver-card-right{align-items:center;gap:16px;display:flex}.solver-xp-block{text-align:right;min-width:60px}.xp-number{color:var(--text-primary);font-size:14px;font-weight:800;display:block}.xp-label{color:var(--text-muted);font-size:10px;font-weight:700}.solver-view-btn{gap:4px}.leaderboard-table-card{background:var(--bg-card);border:1px solid var(--border-light);border-radius:var(--radius-md);box-shadow:var(--shadow-sm);overflow:hidden}.table-responsive-wrapper{width:100%;overflow-x:auto}.leaderboard-data-table{border-collapse:collapse;text-align:left;width:100%}.leaderboard-data-table th{color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em;background:var(--bg-subtle);border-bottom:1px solid var(--border-light);padding:14px 18px;font-size:12px;font-weight:700}.leaderboard-data-table td{border-bottom:1px solid var(--border-light);vertical-align:middle;padding:14px 18px;font-size:13.5px}.table-scholar-row{cursor:pointer;transition:background-color var(--transition-fast)}.table-scholar-row:hover{background:var(--bg-card-hover)}.table-scholar-row.is-me-row{background:#2563eb0d}.rank-medal{font-size:15px;font-weight:800}.rank-number-chip{color:var(--text-muted);font-size:13px;font-weight:700}.table-user-cell{align-items:center;gap:12px;display:flex}.table-user-avatar{background:linear-gradient(135deg, var(--color-primary), var(--color-accent));color:#fff;border-radius:50%;justify-content:center;align-items:center;width:36px;height:36px;font-size:14px;font-weight:700;display:flex}.table-user-name{color:var(--text-primary);align-items:center;gap:6px;font-weight:700;display:flex}.table-user-handle{color:var(--text-muted);font-size:11.5px}.table-subject-tag{border-radius:var(--radius-sm);background:var(--bg-subtle);color:var(--text-secondary);padding:3px 8px;font-size:12px;font-weight:600;display:inline-block}.table-solutions-cell{flex-direction:column;gap:5px;display:flex}.table-solutions-header{justify-content:space-between;align-items:center;font-size:13px;display:flex}.table-progress-track{background:var(--bg-subtle);border-radius:var(--radius-full);height:6px;overflow:hidden}.table-progress-fill{background:linear-gradient(90deg, var(--color-primary), var(--color-accent));border-radius:var(--radius-full);height:100%}.table-verified-chip{color:#10b981;align-items:center;gap:4px;font-size:12px;font-weight:700;display:inline-flex}.table-xp-badge{border-radius:var(--radius-full);background:var(--bg-subtle);color:var(--text-primary);padding:4px 10px;font-size:12.5px;font-weight:700;display:inline-block}.scholar-drawer-backdrop{-webkit-backdrop-filter:blur(4px);z-index:1100;background:#0f172a99;justify-content:flex-end;animation:.2s fadeIn;display:flex;position:fixed;inset:0}.scholar-drawer-content{background:var(--bg-card);flex-direction:column;width:100%;max-width:580px;height:100%;animation:.25s slideLeft;display:flex;overflow:hidden;box-shadow:-10px 0 25px #00000026}@keyframes slideLeft{0%{transform:translate(100%)}to{transform:translate(0)}}.scholar-drawer-header{border-bottom:1px solid var(--border-light);background:var(--bg-subtle);justify-content:space-between;align-items:flex-start;gap:16px;padding:24px;display:flex}.drawer-header-left{align-items:center;gap:16px;display:flex}.drawer-avatar{background:linear-gradient(135deg, var(--color-primary), var(--color-accent));color:#fff;width:56px;height:56px;box-shadow:var(--shadow-md);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;font-size:24px;font-weight:800;display:flex}.drawer-name-row{flex-wrap:wrap;align-items:center;gap:10px;display:flex}.drawer-scholar-name{color:var(--text-primary);margin:0;font-size:20px;font-weight:800}.drawer-tier-badge{border-radius:var(--radius-full);background:var(--bg-card);border:1px solid;padding:2px 8px;font-size:11px;font-weight:700}.drawer-scholar-sub{color:var(--text-muted);flex-wrap:wrap;align-items:center;gap:8px;margin-top:4px;font-size:12px;display:flex}.drawer-close-btn{background:var(--bg-card);border:1px solid var(--border-light);width:36px;height:36px;color:var(--text-secondary);cursor:pointer;transition:all var(--transition-fast);border-radius:50%;justify-content:center;align-items:center;display:flex}.drawer-close-btn:hover{background:var(--bg-card-hover);color:var(--text-primary)}.drawer-stats-grid{background:var(--bg-card);border-bottom:1px solid var(--border-light);grid-template-columns:repeat(4,1fr);gap:10px;padding:18px 24px;display:grid}.drawer-stat-item{text-align:center;background:var(--bg-subtle);border-radius:var(--radius-sm);padding:10px 6px}.drawer-stat-num{color:var(--text-primary);font-size:18px;font-weight:800}.drawer-stat-label{color:var(--text-muted);margin-top:2px;font-size:10.5px;font-weight:500}.drawer-section{border-bottom:1px solid var(--border-light);padding:20px 24px}.drawer-section-title{color:var(--text-primary);align-items:center;gap:8px;margin:0 0 14px;font-size:14px;font-weight:700;display:flex}.drawer-subject-tags{flex-wrap:wrap;gap:8px;display:flex}.drawer-subject-pill{border-radius:var(--radius-full);background:var(--bg-subtle);border:1px solid var(--border-light);color:var(--text-secondary);padding:4px 10px;font-size:12px}.drawer-solutions-feed{flex-direction:column;gap:12px;display:flex}.drawer-solution-card{background:var(--bg-subtle);border:1px solid var(--border-light);border-radius:var(--radius-md);transition:all var(--transition-fast);padding:16px}.drawer-solution-card:hover{border-color:var(--border-focus)}.drawer-solution-card-header{align-items:center;gap:8px;margin-bottom:8px;font-size:11px;display:flex}.drawer-sol-field{border-radius:var(--radius-sm);color:var(--color-accent);background:#2563eb1a;padding:2px 7px;font-weight:700}.drawer-sol-verified{color:#10b981;align-items:center;gap:3px;font-weight:700;display:inline-flex}.drawer-sol-date{color:var(--text-muted);margin-left:auto}.drawer-question-title{color:var(--text-primary);margin:0 0 6px;font-size:14px;font-weight:700}.drawer-sol-snippet{color:var(--text-secondary);white-space:pre-wrap;margin:0 0 12px;font-size:13px;line-height:1.5}.drawer-sol-action{justify-content:flex-end;display:flex}.drawer-empty-solutions{text-align:center;color:var(--text-muted);padding:30px;font-size:13px}@media screen and (max-width:860px){.leaderboard-metrics-grid{grid-template-columns:repeat(2,1fr)}.podium-pedestal-grid{grid-template-columns:1fr;gap:16px}.podium-step{padding:20px}.podium-gold-step{order:-1}.solver-row-card{flex-direction:column;align-items:flex-start}.solver-card-left{min-width:unset;width:100%}.solver-card-center{width:100%;max-width:unset}.solver-card-right{justify-content:space-between;width:100%}.my-standing-card{flex-direction:column;align-items:flex-start}.my-standing-action,.my-contribute-btn{width:100%}}@media screen and (max-width:520px){.leaderboard-metrics-grid{grid-template-columns:1fr}.drawer-stats-grid{grid-template-columns:repeat(2,1fr)}.view-mode-label{display:none}}