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cheerIn{0%{opacity:0;transform:translateY(16px)scale(.85)}60%{transform:translateY(-4px)scale(1.05)}to{opacity:1;transform:translateY(0)scale(1)}}@keyframes cheerOut{to{opacity:0;transform:translateY(-10px)scale(.9)}}.cheer-banner{background:linear-gradient(135deg, var(--green-bg), var(--blue-bg));border:1px solid var(--green-border);box-shadow:0 8px 32px var(--shadow);pointer-events:none;z-index:9999;white-space:nowrap;border-radius:40px;align-items:center;gap:10px;padding:12px 28px;animation:.4s cubic-bezier(.34,1.56,.64,1) forwards cheerIn;display:flex;position:fixed;bottom:90px;left:50%;transform:translate(-50%)}.cheer-emoji{font-size:26px;line-height:1}.cheer-text{color:var(--green);letter-spacing:.2px;font-size:17px;font-weight:700}.saved-toast{background:var(--green-bg);color:var(--green);border:1px solid var(--green-border);opacity:0;pointer-events:none;z-index:9999;border-radius:8px;padding:8px 18px;font-size:13px;font-weight:600;transition:opacity .2s,transform .2s;position:fixed;bottom:28px;right:28px;transform:translateY(8px)}.saved-toast-show{opacity:1;transform:translateY(0)}.sql-q-section{margin-top:18px}.sql-q-section-label{letter-spacing:.6px;text-transform:uppercase;color:var(--text-muted);border-bottom:1px solid var(--border);margin-bottom:8px;padding-bottom:5px;font-size:11px;font-weight:700}.sql-q-table-block{margin-bottom:12px}.sql-q-table-name{color:var(--blue);background:var(--blue-bg);border:1px solid var(--blue-border);border-radius:4px;margin-bottom:4px;padding:2px 8px;font-family:monospace;font-size:11px;font-weight:700;display:inline-block}.sql-mini-scroll{border:1px solid var(--border);border-radius:6px;overflow-x:auto}.sql-mini-scroll::-webkit-scrollbar{height:4px}.sql-mini-scroll::-webkit-scrollbar-thumb{background:var(--border);border-radius:4px}.sql-mini-table{border-collapse:collapse;white-space:nowrap;width:100%;font-family:Menlo,Monaco,Consolas,monospace;font-size:12px}.sql-mini-table th{background:var(--bg-hover);color:var(--text-secondary);border-bottom:1px solid var(--border);border-right:1px solid var(--border);text-align:left;padding:5px 12px;font-weight:600}.sql-mini-table th:last-child{border-right:none}.sql-mini-table td{border-bottom:1px solid var(--border);border-right:1px solid var(--border);color:var(--text-primary);padding:4px 12px}.sql-mini-table td:last-child{border-right:none}.sql-mini-table tr:last-child td{border-bottom:none}.sql-mini-table tr:hover td{background:var(--bg-hover)}.sql-results{flex:1;padding:10px 14px;overflow:auto}.sql-results::-webkit-scrollbar{width:4px;height:4px}.sql-results::-webkit-scrollbar-thumb{background:var(--border);border-radius:4px}.sql-table-wrap{border:1px solid var(--border);border-radius:6px;margin-bottom:12px;overflow:hidden}.sql-table{border-collapse:collapse;white-space:nowrap;min-width:100%;font-family:Menlo,Monaco,Consolas,monospace;font-size:12px}.sql-table th{background:var(--bg-hover);color:var(--text-secondary);border-bottom:1px solid var(--border);border-right:1px solid var(--border);text-align:left;letter-spacing:.3px;padding:5px 12px;font-weight:600}.sql-table th:last-child{border-right:none}.sql-table td{border-bottom:1px solid var(--border);border-right:1px solid var(--border);color:var(--text-primary);padding:4px 12px}.sql-table td:last-child{border-right:none}.sql-table tr:last-child td{border-bottom:none}.sql-table tr:hover td{background:var(--bg-hover)}.sql-null{color:var(--text-faint);font-style:italic}.sql-row-count{color:var(--text-faint);margin-top:4px;padding-left:2px;font-size:11px}.text-green-400{color:var(--green)}.text-yellow-400{color:var(--yellow)}.text-red-400{color:var(--red)}.mode-switcher{background:var(--bg-hover);border:1px solid var(--border);border-radius:8px;gap:2px;padding:3px;display:flex}.mode-btn{color:var(--text-muted);cursor:pointer;background:0 0;border:none;border-radius:6px;padding:4px 12px;font-size:12px;font-weight:600;transition:all .15s}.mode-btn:hover{color:var(--text-primary)}.mode-btn-active{background:var(--bg-surface);color:var(--text-primary);box-shadow:0 1px 3px var(--shadow)}.playground-mode .resize-handle-h,.sidebar-hidden,.mobile-bottom-nav{display:none}@media (width<=768px){.layout-picker-wrap{display:none}.console-column,.console-restore-tab,.resize-handle-stack-v,.resize-handle-stack-h{display:none!important}.main-layout[data-layout=columns] .left-panel{flex:unset!important;width:100%!important;min-width:0!important}.stack-content{display:contents}.main-layout .right-panel{grid-template-columns:unset!important;grid-template-areas:unset!important;grid-template-rows:unset!important;flex-direction:column!important}.main-layout .left-panel{max-height:unset!important;height:unset!important;border-right:1px solid var(--border)!important;border-bottom:none!important}.main-layout .editor-header,.main-layout .editor-wrapper,.main-layout .console-panel{grid-area:unset!important}.main-layout .console-panel{border-left:none!important;border-top:1px solid var(--border)!important;width:auto!important}.app-container{overflow:hidden}.topnav{padding:env(safe-area-inset-top) 10px 0;height:calc(44px + env(safe-area-inset-top))}.sidebar-toggle{display:none}.logo-text{font-size:16px}.topnav-right .progress-label:last-of-type{display:none}.progress-label{padding:3px 8px;font-size:11px}.streak-label{display:none}.streak-badge{padding:4px 8px}.main-layout{flex:1;position:relative;overflow:hidden}.sidebar,.left-panel,.right-panel{display:none;inset:0;width:100%!important;height:100%!important;position:absolute!important}.main-layout[data-mtab=list] .sidebar,.main-layout[data-mtab=problem] .left-panel,.main-layout[data-mtab=editor] .right-panel{display:flex}.sidebar.sidebar-hidden{display:none}.main-layout[data-mtab=list] 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