@import"https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500;700&family=Outfit:wght@300;400;500;600;700&display=swap";:root{font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}*{box-sizing:border-box}.sidebar{display:flex;flex-direction:column;width:68px;background:var(--sidebar-bg);border-right:1px solid var(--border);align-items:center;padding:12px 0;gap:6px;position:fixed;top:0;left:0;height:100vh;z-index:100;transition:background .3s}.sb-logo{font-family:JetBrains Mono,monospace;font-size:1rem;font-weight:700;margin-bottom:12px;white-space:nowrap}.sb-logo-bracket{color:var(--muted)}.sb-logo-sql{color:var(--blue)}.sb-logo-sep{color:var(--muted);margin:0 1px;font-size:.7rem}.sb-logo-path{color:var(--accent)}.sb-nav{display:flex;flex-direction:column;gap:4px;flex:1}.sb-nav-btn{display:flex;flex-direction:column;align-items:center;gap:3px;padding:10px 6px;border:none;background:transparent;color:var(--muted);cursor:pointer;border-radius:10px;transition:all .2s;width:56px;margin:0 auto;position:relative}.sb-nav-btn:hover{color:var(--text);background:var(--hover-bg)}.sb-nav-active{color:var(--accent)!important;background:var(--accent-15)!important}.sb-nav-active:before{content:"";position:absolute;left:-6px;top:50%;transform:translateY(-50%);width:3px;height:20px;background:var(--accent);border-radius:0 3px 3px 0}.sb-nav-icon{font-size:1.15rem;line-height:1}.sb-nav-label{font-size:.58rem;font-weight:600;letter-spacing:.02em;white-space:nowrap}.sb-bottom{margin-top:auto;display:flex;flex-direction:column;align-items:center;gap:8px}.sb-theme-btn{width:40px;height:40px;border:1px solid var(--border);border-radius:10px;background:transparent;cursor:pointer;font-size:1.1rem;display:flex;align-items:center;justify-content:center;transition:all .2s}.sb-theme-btn:hover{border-color:var(--accent-40);background:var(--hover-bg);transform:scale(1.05)}@media(max-width:768px){.sidebar{width:100%;height:56px;flex-direction:row;border-right:none;border-bottom:1px solid var(--border);padding:0 12px;position:fixed;top:0;left:0}.sb-logo{margin-bottom:0;margin-right:12px}.sb-nav{flex-direction:row;flex:1}.sb-nav-btn{flex-direction:row;width:auto;padding:8px 12px}.sb-nav-active:before{left:50%;top:auto;bottom:-7px;transform:translate(-50%);width:20px;height:3px;border-radius:3px 3px 0 0}.sb-nav-label{font-size:.68rem}.sb-bottom{margin-top:0;margin-left:auto;flex-direction:row}}.editor-panel{display:flex;flex-direction:column;border-radius:14px;overflow:hidden;border:1px solid var(--border);background:var(--card-bg)}.editor-topbar{display:flex;align-items:center;justify-content:space-between;padding:10px 16px;background:var(--card-header);border-bottom:1px solid var(--border)}.editor-title{display:flex;align-items:center;gap:6px}.editor-dot{width:11px;height:11px;border-radius:50%}.editor-dot.red{background:#ff5f57}.editor-dot.yellow{background:#febc2e}.editor-dot.green{background:#28c840}.editor-filename{margin-left:8px;font-size:.75rem;color:var(--muted);font-family:JetBrains Mono,monospace}.run-btn{display:flex;align-items:center;gap:7px;padding:6px 14px;background:linear-gradient(135deg,#4f46e5,#7c3aed);border:none;border-radius:7px;color:#fff;font-size:.8rem;font-family:inherit;font-weight:600;cursor:pointer;transition:all .2s}.run-btn:hover{background:linear-gradient(135deg,#5a52f0,#8b46f5);box-shadow:0 3px 16px #7c3aed66;transform:translateY(-1px)}.run-btn kbd{font-size:.7rem;color:#ffffff80;font-family:inherit}.editor-wrap{flex:1}.editor-wrap .cm-editor{border-radius:0!important}.examples-panel{border-top:1px solid var(--border);background:var(--card-header);display:flex;flex-direction:column;gap:10px;padding:12px}.examples-header{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:8px}.examples-title{font-size:.7rem;text-transform:uppercase;letter-spacing:.12em;color:var(--muted);font-family:JetBrains Mono,monospace}.cat-tabs{display:flex;gap:4px;flex-wrap:wrap}.cat-tab{padding:3px 10px;border-radius:20px;border:1px solid var(--border);background:transparent;color:var(--muted);font-size:.72rem;cursor:pointer;transition:all .15s;font-family:inherit}.cat-tab:hover{color:var(--accent);border-color:var(--accent-40)}.cat-tab.active{background:var(--accent-15);border-color:var(--accent-40);color:var(--accent)}.examples-scroll{display:flex;flex-wrap:wrap;gap:5px;max-height:90px;overflow-y:auto}.example-item{display:flex;align-items:center;gap:6px;padding:4px 10px;background:var(--hover-bg);border:1px solid var(--border);border-radius:6px;cursor:pointer;transition:all .15s;font-family:JetBrains Mono,monospace;color:var(--text)}.example-item:hover,.example-item.active{background:var(--accent-15);border-color:var(--accent-40)}.ex-cat{font-size:.65rem;color:var(--muted);background:var(--border);padding:1px 5px;border-radius:3px}.ex-label{font-size:.75rem;color:var(--text)}.venn-wrap{display:flex;flex-direction:column;align-items:center;gap:16px;width:100%;position:relative}.venn-svg{width:100%;max-width:560px;height:auto}.venn-tt{position:absolute;background:var(--card-header);border:1px solid var(--accent-40);color:var(--text);font-size:.76rem;padding:6px 12px;border-radius:7px;pointer-events:none;white-space:nowrap;transform:translate(-50%) translateY(-130%);font-family:JetBrains Mono,monospace;z-index:20;box-shadow:0 4px 24px #0000004d}.venn-legend{display:flex;flex-wrap:wrap;gap:8px;justify-content:center}.vz-item{display:flex;align-items:center;gap:8px;padding:6px 14px;border-radius:8px;border:1px solid transparent;cursor:pointer;transition:all .2s;font-size:.8rem}.vz-active{border-color:var(--border);background:var(--hover-bg)}.vz-dim{opacity:.35;cursor:default}.vz-hov{border-color:#fff3!important;background:#ffffff14!important;transform:translateY(-2px)}.vz-dot{width:10px;height:10px;border-radius:50%;flex-shrink:0}.vz-label{font-family:JetBrains Mono,monospace;font-weight:700;font-size:.82rem}.vz-desc{color:var(--muted);font-size:.72rem}.exec-plan{display:flex;flex-direction:column;gap:14px}.exec-title{font-size:.9rem;font-weight:700;color:var(--text);font-family:JetBrains Mono,monospace}.exec-subtitle{font-size:.75rem;color:var(--muted);margin-top:-8px;font-style:italic}.exec-steps{display:flex;flex-direction:column;gap:0}.exec-step{display:flex;gap:12px;cursor:pointer}.step-connector{display:flex;flex-direction:column;align-items:center;flex-shrink:0;width:28px}.step-num{width:26px;height:26px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:.72rem;font-weight:700;font-family:JetBrains Mono,monospace;flex-shrink:0;transition:all .2s;z-index:1}.step-line{width:1px;flex:1;min-height:8px;margin:2px 0}.step-body{flex:1;border:1px solid;border-radius:10px;padding:10px 14px;margin-bottom:6px;background:var(--hover-bg);transition:all .2s}.step-active .step-body{background:#cba6f70d}.step-active .step-num{transform:scale(1.15)}.step-header{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.step-icon{font-size:1rem}.step-name{font-family:JetBrains Mono,monospace;font-weight:700;font-size:.85rem}.step-tables{display:flex;gap:4px;margin-left:auto}.step-table-badge{font-size:.7rem;padding:1px 7px;border-radius:4px;font-family:JetBrains Mono,monospace}.step-clause{display:block;font-family:JetBrains Mono,monospace;font-size:.78rem;color:var(--muted);margin-top:4px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.step-desc{font-size:.8rem;color:var(--blue);margin:8px 0 0;line-height:1.5;animation:fadeIn .2s ease}.subquery-section{border-top:1px solid var(--border);padding-top:14px;display:flex;flex-direction:column;gap:10px}.subquery-title{font-size:.8rem;font-weight:700;color:var(--yellow);font-family:JetBrains Mono,monospace}.subquery-item{background:#f9e2af0d;border:1px solid rgba(249,226,175,.15);border-radius:9px;padding:10px 14px;display:flex;flex-direction:column;gap:6px}.subquery-label{font-size:.7rem;text-transform:uppercase;letter-spacing:.1em;color:var(--yellow);font-family:JetBrains Mono,monospace}.subquery-code{font-family:JetBrains Mono,monospace;font-size:.76rem;color:var(--subtext);word-break:break-all}.subquery-meta{font-size:.75rem;color:var(--muted)}.breakdown{display:flex;flex-direction:column;gap:10px}.clause-block{padding:10px 14px;border-radius:0 10px 10px 0;background:var(--hover-bg);transition:background .2s}.clause-block:hover{background:#cba6f70a}.clause-header{display:flex;align-items:center;gap:8px;margin-bottom:8px}.clause-kw{font-family:JetBrains Mono,monospace;font-weight:700;font-size:.82rem;letter-spacing:.05em}.clause-badge{font-size:.68rem;padding:2px 8px;border-radius:10px;font-family:JetBrains Mono,monospace}.clause-body{display:flex;flex-direction:column;gap:6px}.col-list{display:flex;flex-wrap:wrap;gap:5px}.col-chip{display:inline-flex;align-items:center;gap:3px;padding:3px 10px;border-radius:6px;border:1px solid;font-family:JetBrains Mono,monospace;font-size:.76rem;color:var(--text);background:var(--hover-bg)}.col-chip.star{color:var(--blue);border-color:#89b4fa59}.col-chip.agg{color:var(--yellow);border-color:#f9e2af4d;background:#f9e2af0f}.agg-fn{color:var(--accent);font-weight:700}.agg-col{color:var(--subtext)}.col-table{color:var(--muted)}.col-alias{color:var(--sky);font-size:.7rem}.table-badge{display:inline-flex;align-items:center;gap:8px;padding:7px 14px;border:1px solid;border-radius:8px;transition:all .2s}.table-badge-hov{transform:translateY(-1px);box-shadow:0 3px 14px #0003}.tb-icon{font-size:1rem}.tb-name{font-family:JetBrains Mono,monospace;font-weight:700;font-size:.85rem}.tb-alias{color:var(--muted);font-size:.72rem}.join-detail{display:flex;flex-direction:column;gap:8px}.join-cond{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.cond-kw{font-family:JetBrains Mono,monospace;font-weight:700;font-size:.8rem;color:var(--accent)}.cond-code{font-family:JetBrains Mono,monospace;font-size:.78rem;color:var(--subtext)}.null-badge{font-size:.75rem;color:var(--peach);background:#fab38714;border:1px solid rgba(250,179,135,.25);padding:5px 10px;border-radius:6px}.cond-list{display:flex;flex-direction:column;gap:7px}.cond-item{border:1px solid;border-radius:8px;padding:8px 12px;display:flex;flex-direction:column;gap:5px}.cond-type{font-size:.68rem;font-family:JetBrains Mono,monospace;font-weight:700;padding:2px 8px;border-radius:10px;align-self:flex-start;letter-spacing:.05em}.cond-text{font-family:JetBrains Mono,monospace;font-size:.76rem;color:var(--subtext);word-break:break-all}.subq-inline{font-size:.73rem;color:var(--muted);font-style:italic}.subq-label{color:var(--muted)}.subq-inline strong{color:var(--green)}.having-code{font-family:JetBrains Mono,monospace;font-size:.8rem;color:var(--pink)}.dir-badge{font-size:.65rem;padding:1px 5px;border-radius:3px;margin-left:4px;font-weight:700}.dir-asc{color:var(--green);background:#a6e3a11f}.dir-desc{color:var(--pink);background:#f38ba81f}.agg-summary{border:1px solid rgba(249,226,175,.2);background:#f9e2af0a;border-radius:10px;padding:12px 14px;display:flex;flex-direction:column;gap:10px}.agg-sum-title{font-size:.8rem;font-weight:700;color:var(--yellow);font-family:JetBrains Mono,monospace}.agg-grid{display:flex;flex-wrap:wrap;gap:8px}.agg-card{background:#f9e2af12;border:1px solid rgba(249,226,175,.2);border-radius:8px;padding:8px 12px;min-width:100px}.agg-card-fn{font-family:JetBrains Mono,monospace;font-weight:700;color:var(--accent);font-size:.88rem}.agg-card-col{font-family:JetBrains Mono,monospace;color:var(--subtext);font-size:.76rem}.agg-card-alias{color:var(--sky);font-size:.72rem;margin-top:2px}.agg-card-desc{color:var(--muted);font-size:.7rem;margin-top:4px;font-style:italic}.dataflow{display:flex;flex-direction:column;gap:12px}.df-header{display:flex;align-items:center;justify-content:space-between}.df-title{font-size:.88rem;font-weight:700;color:var(--text);font-family:JetBrains Mono,monospace}.df-animate-btn{display:flex;align-items:center;gap:6px;padding:6px 14px;background:linear-gradient(135deg,#cba6f726,#89b4fa26);border:1px solid rgba(203,166,247,.3);border-radius:8px;color:var(--accent);font-size:.78rem;font-weight:600;font-family:inherit;cursor:pointer;transition:all .2s}.df-animate-btn:hover:not(:disabled){background:linear-gradient(135deg,#cba6f740,#89b4fa40);border-color:#cba6f780;transform:translateY(-1px);box-shadow:0 3px 12px #cba6f733}.df-animate-btn:disabled{cursor:not-allowed;opacity:.8}.df-animating{background:linear-gradient(135deg,#a6e3a126,#89b4fa26)!important;border-color:#a6e3a166!important;color:var(--green)!important}.df-pulse{animation:dfPulse .8s ease infinite;color:var(--green)}@keyframes dfPulse{0%,to{opacity:1;transform:scale(1)}50%{opacity:.3;transform:scale(.8)}}.df-svg{width:100%;height:auto;border:1px solid var(--border);border-radius:12px;background:var(--card-bg);padding:8px}.df-step-indicator{display:flex;align-items:center;gap:8px;font-size:.78rem;color:var(--accent);font-family:JetBrains Mono,monospace;justify-content:center;animation:fadeIn .3s ease}.df-step-dot{width:8px;height:8px;border-radius:50%;background:var(--green);animation:dfPulse .8s ease infinite}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.sql-commands-container{padding:24px 32px;height:100%;overflow-y:auto;color:var(--text);animation:fadeIn .4s ease}.commands-header{margin-bottom:32px;max-width:800px}.commands-header h2{font-size:2rem;font-weight:800;margin:0 0 12px;background:linear-gradient(90deg,var(--accent),var(--blue));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;letter-spacing:-.02em}.commands-header p{color:var(--subtext);font-size:1rem;margin-bottom:24px;line-height:1.6}.commands-filters{display:flex;flex-wrap:wrap;align-items:center;gap:20px}.search-box{position:relative;display:flex;align-items:center;flex:1;min-width:250px;max-width:400px}.search-icon{position:absolute;left:14px;color:var(--muted);font-size:.9rem}.search-box input{width:100%;padding:10px 14px 10px 42px;background:var(--input-bg);border:1px solid var(--border);border-radius:12px;color:var(--text);font-family:inherit;font-size:.9rem;outline:none;transition:all .2s}.search-box input:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-15)}.category-filters{display:flex;flex-wrap:wrap;gap:8px}.cat-btn{padding:7px 14px;background:var(--card-bg);border:1px solid var(--border);border-radius:20px;color:var(--subtext);cursor:pointer;font-size:.8rem;font-weight:500;font-family:inherit;transition:all .2s}.cat-btn:hover{background:var(--hover-bg);border-color:var(--accent-40);color:var(--text)}.cat-btn.active{background:var(--accent);color:#fff;border-color:var(--accent);box-shadow:0 4px 12px var(--accent-40)}.commands-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:24px;margin-top:32px}.command-card{background:var(--card-bg);border:1px solid var(--border);border-radius:16px;padding:24px;display:flex;flex-direction:column;gap:16px;transition:all .3s cubic-bezier(.4,0,.2,1);position:relative;overflow:hidden}.command-card:hover{transform:translateY(-6px);border-color:var(--accent-40);box-shadow:0 12px 28px #00000026}.command-card:after{content:"";position:absolute;top:0;left:0;width:4px;height:100%;background:var(--accent);opacity:0;transition:opacity .2s}.command-card:hover:after{opacity:1}.cmd-card-header{display:flex;justify-content:space-between;align-items:flex-start;gap:12px}.cmd-title{font-size:1.2rem;font-weight:700;color:var(--peach);margin:0;font-family:JetBrains Mono,monospace}.cmd-category{font-size:.65rem;padding:2px 8px;background:var(--accent-15);color:var(--accent);border-radius:20px;text-transform:uppercase;font-weight:700;letter-spacing:.05em;font-family:JetBrains Mono,monospace}.cmd-desc{font-size:.88rem;color:var(--subtext);line-height:1.6;margin:0}.cmd-section{display:flex;flex-direction:column;gap:8px}.cmd-section-title{font-size:.7rem;font-weight:700;text-transform:uppercase;color:var(--muted);letter-spacing:.06em}.cmd-code{font-family:JetBrains Mono,monospace;font-size:.82rem;padding:10px 14px;background:var(--input-bg);border:1px solid var(--border);border-radius:8px;color:var(--sky);word-break:break-all;line-height:1.5}.cmd-code.highlight{color:var(--green)}.example-code-box{margin-top:auto;display:flex;flex-direction:column;gap:12px}.example-code-box .cmd-code{border-color:var(--accent-15)}.try-btn{align-self:flex-end;padding:6px 16px;background:var(--accent);color:#fff;border:none;border-radius:8px;font-size:.75rem;font-weight:700;cursor:pointer;transition:all .2s;font-family:inherit;box-shadow:0 2px 8px var(--accent-15)}.try-btn:hover{transform:scale(1.05);box-shadow:0 4px 12px var(--accent-40)}.commands-empty{grid-column:1 / -1;text-align:center;padding:64px;color:var(--muted);font-style:italic;background:var(--card-bg);border-radius:16px;border:1px dashed var(--border)}.engine-filters{display:flex;flex-wrap:wrap;align-items:center;gap:6px;margin-top:8px}.filter-label{font-size:13px;font-weight:600;color:#666;margin-right:4px}.engine-btn{padding:5px 12px;border-radius:20px;border:1.5px solid #ddd;background:transparent;font-size:12px;font-weight:500;cursor:pointer;transition:all .18s ease;color:#555}.engine-btn:hover{border-color:#aaa;background:#f5f5f5}.engine-btn.active{background:#222;color:#fff;border-color:#222}.commands-count{display:flex;align-items:center;gap:8px;font-size:13px;color:#888;margin:4px 0 12px}.engine-badge{font-size:11px;font-weight:600;padding:2px 10px;border-radius:12px;border:1.5px solid}.command-card.has-variants{border-left:3px solid #e0e0e0}.cmd-badges{display:flex;align-items:center;gap:6px;flex-wrap:wrap}.variants-badge{font-size:11px;font-weight:600;padding:2px 8px;border-radius:10px;background:#f3e5f5;color:#6a1b9a;border:1px solid #ce93d8}.cmd-variants-section{margin-top:12px;border-top:1px dashed #e0e0e0;padding-top:10px}.variants-toggle{display:flex;align-items:center;gap:6px;background:none;border:none;font-size:13px;font-weight:600;color:#555;cursor:pointer;padding:4px 0;transition:color .15s}.variants-toggle:hover{color:#222}.variants-toggle span{font-size:10px}.variants-list{margin-top:10px;display:flex;flex-direction:column;gap:14px}.variant-block{background:var(--card-bg);border:1px solid var(--border);border-radius:8px;padding:12px 14px}.variant-engines{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:10px}.engine-tag{font-size:11px;font-weight:700;padding:2px 10px;border-radius:12px;border:1.5px solid;letter-spacing:.02em}.variant-note{display:flex;gap:6px;align-items:flex-start;font-size:12px;color:#fff;background:var(--card-bg);border:1px solid #fff176;border-radius:6px;padding:8px 10px;margin-top:8px;line-height:1.5}.note-icon{flex-shrink:0;font-size:14px}.rt-container{border:1px solid var(--border);border-radius:12px;overflow:hidden;background:var(--card-bg)}.rt-header{display:flex;align-items:center;justify-content:space-between;padding:10px 16px;border-bottom:1px solid var(--border);background:var(--card-header);flex-wrap:wrap;gap:8px}.rt-title{font-family:JetBrains Mono,monospace;font-weight:700;font-size:.82rem;color:var(--accent)}.rt-meta{display:flex;gap:6px}.rt-badge{font-size:.68rem;padding:2px 8px;border-radius:10px;font-family:JetBrains Mono,monospace}.rt-rows{color:var(--green);background:#a6e3a11a}.rt-cols{color:var(--blue);background:#89b4fa1a}.rt-time{color:var(--peach);background:#fab3871a}.rt-scroll{overflow-x:auto;max-height:400px;overflow-y:auto}.rt-table{width:100%;border-collapse:collapse;font-family:JetBrains Mono,monospace;font-size:.78rem}.rt-table thead{position:sticky;top:0;z-index:2}.rt-table th{padding:8px 14px;text-align:left;color:var(--accent);font-weight:700;font-size:.74rem;background:var(--card-header);border-bottom:1px solid var(--border);cursor:pointer;white-space:nowrap;-webkit-user-select:none;user-select:none;transition:background .15s}.rt-table th:hover{background:var(--hover-bg)}.rt-table th.rt-sorted{color:var(--mauve)}.rt-sort-arrow{margin-left:4px;font-size:.7rem}.rt-table td{padding:7px 14px;border-bottom:1px solid var(--border);color:var(--text);white-space:nowrap}.rt-row-num{color:var(--muted)!important;font-size:.68rem;width:30px;text-align:center}.rt-row{animation:rtFadeIn .3s ease forwards;opacity:0}@keyframes rtFadeIn{0%{opacity:0;transform:translate(-8px)}to{opacity:1;transform:translate(0)}}.rt-table tr:hover td{background:var(--hover-bg)}.rt-num{color:var(--peach)}.rt-null{color:var(--muted)}.rt-null-tag{font-size:.65rem;color:var(--muted);background:var(--border);padding:1px 5px;border-radius:3px;font-style:italic}.rt-error{display:flex;align-items:center;gap:10px;padding:12px 16px;border-radius:10px;background:#f38ba814;border:1px solid rgba(243,139,168,.3);color:var(--pink);font-size:.82rem;font-family:JetBrains Mono,monospace}.rt-error-icon{font-size:1.1rem}.rt-success{display:flex;align-items:center;gap:10px;padding:12px 16px;border-radius:10px;background:#a6e3a114;border:1px solid rgba(166,227,161,.3);color:var(--green);font-size:.82rem;font-family:JetBrains Mono,monospace}.rt-success-icon{font-size:1.1rem}.challenges-layout{display:grid;grid-template-columns:280px 1fr;gap:0;height:100%;min-height:0}.ch-list{display:flex;flex-direction:column;border-right:1px solid var(--border);background:var(--card-bg);overflow:hidden}.ch-list-title{display:flex;align-items:center;justify-content:space-between;padding:14px 16px 8px;font-weight:700;font-size:.88rem;color:var(--text)}.ch-progress{font-size:.75rem;color:var(--green);font-family:JetBrains Mono,monospace}.ch-progress-bar{height:3px;background:var(--border);margin:0 16px 8px;border-radius:2px;overflow:hidden}.ch-progress-fill{height:100%;background:linear-gradient(90deg,var(--green),var(--teal));border-radius:2px;transition:width .5s ease}.ch-items{flex:1;max-height:550px;overflow-y:auto;display:flex;flex-direction:column;gap:2px;padding:4px 8px 8px}.ch-item{display:flex;align-items:center;gap:10px;padding:10px 12px;border:1px solid transparent;border-radius:8px;background:transparent;cursor:pointer;transition:all .15s;text-align:left;font-family:inherit;color:var(--text)}.ch-item:hover{background:var(--hover-bg)}.ch-selected{background:var(--hover-bg)!important;border-color:var(--accent-40)!important}.ch-done{opacity:.7}.ch-done .ch-item-title{text-decoration:line-through}.ch-item-status{width:24px;height:24px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:.72rem;font-family:JetBrains Mono,monospace;background:var(--border);color:var(--muted);flex-shrink:0}.ch-done .ch-item-status{background:transparent;font-size:.85rem}.ch-item-info{flex:1;display:flex;flex-direction:column;gap:2px;min-width:0}.ch-item-title{font-size:.78rem;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.ch-item-diff{font-size:.65rem;font-family:JetBrains Mono,monospace;text-transform:uppercase}.ch-item-cat{font-size:.62rem;color:var(--muted);background:var(--border);padding:2px 6px;border-radius:4px;font-family:JetBrains Mono,monospace;white-space:nowrap}.ch-workspace{display:flex;flex-direction:column;gap:12px;padding:16px 20px;overflow-y:auto}.ch-desc-box{border:1px solid var(--border);border-radius:12px;background:var(--card-bg);overflow:hidden}.ch-desc-header{padding:16px}.ch-desc-title-row{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:8px}.ch-num{font-family:JetBrains Mono,monospace;font-weight:700;color:var(--muted);font-size:.82rem}.ch-desc-title-row h3{margin:0;font-size:1rem;color:var(--text)}.ch-diff-badge{font-size:.68rem;padding:2px 8px;border-radius:10px;border:1px solid;font-family:JetBrains Mono,monospace;text-transform:uppercase}.ch-type-badge{font-size:.72rem;color:var(--muted)}.ch-desc-text{margin:0;color:var(--subtext);font-size:.88rem;line-height:1.6}.ch-schema-area{margin-top:16px;padding-top:16px;border-top:1px dashed var(--border)}.ch-schema-title{display:block;font-size:.75rem;font-weight:600;color:var(--muted);margin-bottom:10px;text-transform:uppercase;letter-spacing:.5px}.ch-schema-tables{display:flex;flex-wrap:wrap;gap:12px}.ch-schema-table{background:var(--bg);border:1px solid var(--border);border-radius:6px;padding:8px 10px;min-width:140px}.ch-schema-table strong{display:block;font-size:.8rem;color:var(--text);margin-bottom:6px;padding-bottom:4px;border-bottom:1px solid var(--border);font-family:JetBrains Mono,monospace}.ch-schema-columns{display:flex;flex-direction:column;gap:4px}.ch-schema-col{font-size:.72rem;color:var(--subtext);font-family:JetBrains Mono,monospace;display:flex;align-items:center;gap:4px}.ch-col-icon{font-size:.65rem;color:var(--muted)}.ch-hint-area{padding:8px 16px 12px;border-top:1px solid var(--border)}.ch-hint-btn{background:transparent;border:1px solid var(--border);color:var(--yellow);padding:5px 12px;border-radius:6px;cursor:pointer;font-size:.78rem;font-family:inherit;transition:all .15s}.ch-hint-btn:hover{background:#f9e2af14;border-color:#f9e2af4d}.ch-hint-text{margin-top:8px;padding:10px 14px;background:#f9e2af0f;border:1px solid rgba(249,226,175,.15);border-radius:8px;color:var(--yellow);font-size:.82rem;font-family:JetBrains Mono,monospace;animation:fadeSlideIn .2s ease}.ch-editor-box{border:1px solid var(--border);border-radius:12px;overflow:hidden;background:var(--card-bg)}.ch-editor-header{display:flex;align-items:center;justify-content:space-between;padding:8px 14px;border-bottom:1px solid var(--border);font-size:.78rem;font-weight:600;color:var(--muted)}.ch-editor-actions{display:flex;gap:6px}.ch-reset-btn{background:transparent;border:1px solid var(--border);color:var(--muted);padding:4px 10px;border-radius:6px;cursor:pointer;font-size:.72rem;font-family:inherit;transition:all .15s}.ch-reset-btn:hover{color:var(--text);border-color:var(--muted)}.ch-run-btn{background:linear-gradient(135deg,#4f46e5,#7c3aed);border:none;color:#fff;padding:5px 14px;border-radius:6px;cursor:pointer;font-size:.75rem;font-weight:600;font-family:inherit;transition:all .2s}.ch-run-btn:hover{box-shadow:0 2px 12px #7c3aed66;transform:translateY(-1px)}.ch-feedback{display:flex;flex-direction:column;gap:12px;animation:fadeSlideIn .3s ease}.ch-pass{display:flex;align-items:center;gap:12px;padding:12px 16px;border-radius:10px;background:#a6e3a114;border:1px solid rgba(166,227,161,.25);color:var(--green);font-size:.85rem}.ch-pass-icon,.ch-fail-icon{font-size:1.3rem}.ch-fail{display:flex;align-items:center;gap:12px;padding:12px 16px;border-radius:10px;background:#f38ba814;border:1px solid rgba(243,139,168,.25);color:var(--pink);font-size:.85rem}@media(max-width:768px){.challenges-layout{grid-template-columns:1fr}.ch-list{border-right:none;border-bottom:1px solid var(--border);max-height:200px}}.schema-builder{display:grid;grid-template-columns:260px 1fr;gap:0;height:100%;min-height:0}.sb-sidebar{display:flex;flex-direction:column;border-right:1px solid var(--border);background:var(--card-bg);overflow:hidden}.sb-sidebar-title{display:flex;align-items:center;justify-content:space-between;padding:14px 16px 10px;font-weight:700;font-size:.88rem;color:var(--text)}.sb-count{font-size:.72rem;color:var(--accent);background:var(--accent-15);padding:2px 8px;border-radius:10px;font-family:JetBrains Mono,monospace}.sb-table-list{flex:1;overflow-y:auto;display:flex;flex-direction:column;gap:2px;padding:4px 8px}.sb-table-item{display:flex;align-items:center;gap:4px;border-radius:8px;transition:all .15s}.sb-table-item:hover,.sb-table-active{background:var(--hover-bg)}.sb-table-btn{flex:1;display:flex;align-items:center;gap:8px;padding:8px 10px;background:transparent;border:none;cursor:pointer;color:var(--text);text-align:left;font-family:inherit}.sb-table-icon{color:var(--accent);font-size:.9rem}.sb-table-info{display:flex;flex-direction:column;gap:1px}.sb-table-name{font-family:JetBrains Mono,monospace;font-weight:600;font-size:.78rem;color:var(--text)}.sb-table-stats{font-size:.65rem;color:var(--muted)}.sb-drop-btn{width:24px;height:24px;border:none;background:transparent;color:var(--muted);cursor:pointer;font-size:1rem;line-height:1;border-radius:4px;transition:all .15s;margin-right:6px;display:flex;align-items:center;justify-content:center}.sb-drop-btn:hover{color:var(--pink);background:#f38ba81a}.sb-db-manager{display:flex;flex-direction:column;padding-bottom:8px}.sb-db-list{display:flex;flex-direction:column;gap:2px;padding:4px 8px;max-height:180px;overflow-y:auto}.sb-db-item{display:flex;align-items:center;gap:4px;border-radius:8px;transition:all .15s}.sb-db-item:hover{background:var(--hover-bg)}.sb-db-active{background:var(--accent-15);border:1px solid var(--accent-40)}.sb-db-btn{flex:1;display:flex;align-items:center;gap:8px;padding:8px 10px;background:transparent;border:none;cursor:pointer;color:var(--text);text-align:left;font-family:inherit}.sb-db-icon{font-size:1rem}.sb-db-info{display:flex;flex-direction:column;gap:1px}.sb-db-name{font-weight:600;font-size:.78rem;color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:140px}.sb-db-stats{font-size:.65rem;color:var(--muted)}.sb-db-create{display:flex;gap:4px;padding:8px 12px;border-top:1px dotted var(--border);margin-top:4px}.sb-db-add-btn{padding:4px 10px;background:var(--accent-15);border:1px solid var(--accent-40);border-radius:4px;color:var(--accent);cursor:pointer;font-size:.7rem;font-weight:600}.sb-divider{height:1px;background:var(--border);margin:4px 0;opacity:.5}.sb-input{padding:7px 10px;background:var(--input-bg);border:1px solid var(--border);border-radius:6px;color:var(--text);font-size:.78rem;font-family:JetBrains Mono,monospace;outline:none;transition:border-color .15s}.sb-input:focus{border-color:var(--accent)}.sb-input::placeholder{color:var(--muted)}.sb-main{display:flex;flex-direction:column;gap:12px;padding:16px 20px;overflow-y:auto}.sb-editor-section{border:1px solid var(--border);border-radius:12px;overflow:hidden;background:var(--card-bg)}.sb-tabs-header{display:flex;align-items:flex-end;justify-content:space-between;background:var(--card-bg);border-bottom:1px solid var(--border);padding-top:8px;padding-right:14px}.sb-tabs-list{display:flex;align-items:center;overflow-x:auto;scrollbar-width:none}.sb-tabs-list::-webkit-scrollbar{display:none}.sb-tab{display:flex;align-items:center;gap:6px;padding:8px 12px;background:#ffffff05;border:1px solid transparent;border-bottom:none;border-radius:8px 8px 0 0;cursor:pointer;color:var(--muted);font-size:.75rem;font-weight:500;border-right:1px solid rgba(255,255,255,.05);transition:all .2s}.sb-tab:hover{background:#ffffff0d;color:var(--text)}.sb-tab-active{background:#080814;color:var(--accent);border:1px solid var(--border);border-bottom:1px solid #080814;margin-bottom:-1px}.sb-tab-icon{font-size:.8rem}.sb-tab-name{font-family:JetBrains Mono,monospace}.sb-tab-close{background:transparent;border:none;color:inherit;font-size:.9rem;width:16px;height:16px;display:flex;align-items:center;justify-content:center;border-radius:50%;cursor:pointer;opacity:.5;margin-left:2px}.sb-tab-close:hover{background:#ffffff1a;opacity:1}.sb-tab-add{background:transparent;border:none;color:var(--muted);font-size:1.2rem;width:30px;height:30px;display:flex;align-items:center;justify-content:center;border-radius:4px;cursor:pointer;margin-left:4px;margin-bottom:4px}.sb-tab-add:hover{background:#ffffff1a;color:var(--text)}.sb-editor-actions{padding-bottom:6px}.sb-codemirror-wrapper{background:#080814;border-radius:0 0 12px 12px;overflow:hidden}.sb-play-icon{margin-right:4px;font-size:.8rem}.sb-table-empty{font-size:.75rem;color:var(--muted);padding:10px;text-align:center;font-style:italic}.sb-table-list-extended{max-height:none;flex:1}.sb-results-area{flex:1;display:flex;flex-direction:column}.sb-run-btn{background:linear-gradient(135deg,#4f46e5,#7c3aed);border:none;color:#fff;padding:5px 14px;border-radius:6px;cursor:pointer;font-size:.75rem;font-weight:600;font-family:inherit;transition:all .2s}.sb-run-btn:hover{box-shadow:0 2px 12px #7c3aed66;transform:translateY(-1px)}.sb-feedback{padding:10px 14px;border-radius:8px;font-size:.82rem;font-family:JetBrains Mono,monospace;animation:fadeSlideIn .2s ease}.sb-fb-ok{background:#a6e3a114;border:1px solid rgba(166,227,161,.25);color:var(--green)}.sb-fb-err{background:#f38ba814;border:1px solid rgba(243,139,168,.25);color:var(--pink)}.sb-table-view{display:flex;flex-direction:column;gap:10px}.sb-tv-header h3{margin:0 0 8px;font-size:1rem;color:var(--text)}.sb-tv-schema{display:flex;flex-wrap:wrap;gap:4px;margin-bottom:8px}.sb-col-tag{font-size:.68rem;padding:3px 8px;border-radius:5px;background:var(--border);color:var(--subtext);font-family:JetBrains Mono,monospace}.sb-col-pk{background:#f9e2af1f;color:var(--yellow)}.sb-col-type{color:var(--muted);margin-left:3px;font-size:.6rem}.sb-empty{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:60px 20px;color:var(--muted);text-align:center}.sb-empty-icon{font-size:3rem;margin-bottom:12px;opacity:.5}.sb-empty p{font-size:.88rem;max-width:300px;line-height:1.6}@media(max-width:768px){.schema-builder{grid-template-columns:1fr}.sb-sidebar{border-right:none;border-bottom:1px solid var(--border);max-height:200px}}.db-import{display:flex;flex-direction:column;gap:20px;padding:4px}.dbi-header h2{margin:0 0 6px;font-size:1.3rem;background:linear-gradient(90deg,var(--accent),var(--blue));-webkit-background-clip:text;-webkit-text-fill-color:transparent}.dbi-header p{margin:0;color:var(--subtext);font-size:.88rem}.dbi-db-selector{display:flex;flex-direction:column;gap:12px;background:var(--card-bg);padding:16px;border-radius:14px;border:1px solid var(--border)}.dbi-db-selector h3{margin:0;font-size:.88rem;font-weight:600;color:var(--muted)}.dbi-db-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:10px}.dbi-db-item{display:flex;align-items:center;gap:10px;padding:10px 14px;background:var(--hover-bg);border:1px solid var(--border);border-radius:10px;cursor:pointer;transition:all .2s;color:var(--text);font-family:inherit;text-align:left}.dbi-db-item:hover{border-color:var(--accent-40);background:var(--hover-bg)}.dbi-db-active{background:var(--accent-15);border-color:var(--accent);color:var(--accent)}.dbi-db-icon{font-size:1.1rem}.dbi-db-name{font-size:.85rem;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.dbi-processing{opacity:.7;pointer-events:none;border-color:var(--blue)!important;background:#89dceb0d!important}.dbi-drop-zone{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;padding:40px 20px;border:2px dashed var(--border);border-radius:14px;background:var(--card-bg);cursor:pointer;transition:all .3s}.dbi-drop-zone:hover,.dbi-drag-over{border-color:var(--accent);background:#cba6f70d;transform:scale(1.01)}.dbi-drop-icon{font-size:2.5rem;transition:transform .3s}.dbi-drag-over .dbi-drop-icon{transform:scale(1.2)}.dbi-drop-text{font-size:.9rem;color:var(--text)}.dbi-drop-hint{font-size:.72rem;color:var(--muted);font-family:JetBrains Mono,monospace}.dbi-result{padding:12px 16px;border-radius:10px;font-size:.85rem;font-family:JetBrains Mono,monospace;animation:fadeSlideIn .3s ease}.dbi-result-ok{background:#a6e3a114;border:1px solid rgba(166,227,161,.25);color:var(--green)}.dbi-result-err{background:#f38ba814;border:1px solid rgba(243,139,168,.25);color:var(--pink)}.dbi-preview{border:1px solid var(--border);border-radius:10px;overflow:hidden}.dbi-preview-title{padding:8px 14px;font-size:.75rem;color:var(--muted);font-weight:600;background:var(--card-header);border-bottom:1px solid var(--border)}.dbi-preview-code{padding:12px 14px;margin:0;font-family:JetBrains Mono,monospace;font-size:.72rem;color:var(--subtext);background:var(--card-bg);max-height:200px;overflow:auto;white-space:pre-wrap;word-break:break-all}.dbi-section h3{font-size:.95rem;color:var(--text);margin:0 0 12px}.dbi-tables-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:10px}.dbi-table-card{border:1px solid var(--border);border-radius:10px;padding:12px 14px;background:var(--card-bg);transition:all .2s}.dbi-table-card:hover{border-color:var(--accent-40);transform:translateY(-2px)}.dbi-table-name{font-family:JetBrains Mono,monospace;font-weight:700;font-size:.88rem;color:var(--accent);margin-bottom:4px}.dbi-table-meta{display:flex;gap:6px;font-size:.72rem;color:var(--muted);margin-bottom:8px}.dbi-table-cols{display:flex;flex-wrap:wrap;gap:4px}.dbi-col{font-size:.68rem;padding:2px 7px;border-radius:4px;background:var(--border);color:var(--subtext);font-family:JetBrains Mono,monospace}.dbi-col-pk{background:#f9e2af1f;color:var(--yellow)}.dbi-col-type{color:var(--muted);margin-left:3px;font-size:.62rem}.dbi-actions{display:flex;gap:10px}.dbi-reset-btn{padding:8px 16px;border:1px solid rgba(243,139,168,.3);border-radius:8px;background:#f38ba814;color:var(--pink);cursor:pointer;font-family:inherit;font-size:.82rem;transition:all .15s}.dbi-reset-btn:hover{background:#f38ba826;border-color:#f38ba880}@keyframes fadeSlideIn{0%{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:translateY(0)}}.db-export-container{display:flex;flex-direction:column;gap:20px;padding:4px}.db-export-header h2{margin:0 0 6px;font-size:1.3rem;background:linear-gradient(90deg,var(--accent),var(--blue));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}.db-export-header p{margin:0;color:var(--subtext);font-size:.88rem}.db-export-card{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;padding:40px 20px;background:var(--card-bg);border:1px solid var(--border);border-radius:14px;box-shadow:0 4px 20px #0003;transition:all .3s}.db-export-card:hover{border-color:var(--accent-40);transform:translateY(-2px)}.export-icon{font-size:3rem;margin-bottom:8px;line-height:1}.db-export-card h3{margin:0;font-size:1.2rem;color:var(--text);font-weight:700}.export-meta{color:var(--muted);font-size:.85rem;background:var(--hover-bg);padding:4px 12px;border-radius:20px;border:1px solid var(--border)}.export-desc{max-width:400px;text-align:center;color:var(--subtext);font-size:.85rem;line-height:1.5;margin-bottom:8px}.export-desc code{color:var(--blue);background:#89dceb1a;padding:2px 6px;border-radius:4px;font-size:.8rem}.export-btn{display:flex;align-items:center;gap:8px;padding:12px 24px;font-size:.95rem;font-weight:600;color:#fff;background:linear-gradient(135deg,var(--green),#22c55e);border:none;border-radius:10px;cursor:pointer;transition:all .2s;box-shadow:0 4px 15px #a6e3a133}.export-btn:hover{transform:translateY(-2px);box-shadow:0 6px 20px #a6e3a166}.export-btn:active{transform:translateY(0)}.btn-icon{font-size:1.1rem}.export-info-box{background:var(--hover-bg);border-radius:12px;padding:20px;border-left:4px solid var(--accent)}.export-info-box h4{margin:0 0 12px;color:var(--text);font-size:.95rem}.export-info-box ul{margin:0;padding:0 0 0 20px;color:var(--subtext);font-size:.85rem}.export-info-box li{margin-bottom:8px}.export-info-box li strong{color:var(--accent)}.export-info-box li:last-child{margin-bottom:0}.db-draw-container{display:flex;flex-direction:column;height:100%;padding:16px;gap:16px;flex:1}.db-draw-header{display:flex;justify-content:space-between;align-items:flex-start;flex-wrap:wrap;border-bottom:2px dashed var(--border);padding-bottom:16px}.db-draw-title h2{margin:0;font-size:1.5rem;background:linear-gradient(90deg,var(--accent),var(--blue));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}.db-draw-title p{color:var(--muted);margin:6px 0 0;font-size:.9rem}.db-draw-select{padding:8px 16px;border-radius:8px;border:1px solid var(--border);background:var(--card-bg);color:var(--text);font-size:.9rem;font-family:inherit;outline:none;cursor:pointer;transition:all .2s}.db-draw-select:hover,.db-draw-select:focus{border-color:var(--accent)}.db-draw-canvas{position:relative;flex:1;background:var(--editor-bg);border-radius:12px;border:1px solid var(--border);overflow:hidden;box-shadow:inset 0 0 40px #0003;-webkit-user-select:none;user-select:none}.db-draw-canvas:before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);background-size:20px 20px;pointer-events:none}.db-draw-edges{position:absolute;top:0;left:0;pointer-events:none;z-index:10}.db-draw-empty{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);color:var(--muted);font-size:1.1rem}.db-table-node{position:absolute;top:0;left:0;width:250px;background:var(--card-bg);border:1px solid rgba(137,220,235,.3);border-radius:8px;box-shadow:0 4px 15px #0000004d;cursor:grab;z-index:20;transition:box-shadow .2s,transform 0s;overflow:hidden}.db-table-node:hover{border-color:var(--accent)}.db-table-node.dragging{cursor:grabbing;z-index:100!important;box-shadow:0 10px 30px #0009;border-color:var(--pink);opacity:.9}.db-table-header{padding:10px 14px;background:#89dceb1a;border-bottom:1px solid rgba(137,220,235,.3);font-family:JetBrains Mono,monospace;font-weight:700;font-size:.95rem;color:var(--blue);text-transform:capitalize}.db-table-cols{padding:6px 0;background:var(--editor-bg);display:flex;flex-direction:column}.db-table-col{display:flex;justify-content:space-between;align-items:center;padding:4px 14px;font-size:.82rem;font-family:JetBrains Mono,monospace;border-bottom:1px solid rgba(255,255,255,.02)}.db-table-col:last-child{border-bottom:none}.col-name{color:var(--text);display:flex;align-items:center;gap:6px}.key-icon{font-size:.8rem;color:var(--yellow)}.key-icon.fk-icon{filter:hue-rotate(-60deg) saturate(1.5)}.col-type{color:var(--muted);font-size:.72rem;text-transform:uppercase}.db-table-node.dragging .db-table-header{background:#f38ba826;border-bottom-color:#f38ba866;color:var(--pink)}.db-draw-reset{padding:8px 16px;border-radius:8px;border:1px solid var(--border);background:var(--card-bg);color:var(--text);font-size:.9rem;cursor:pointer;transition:all .2s}.security-container{padding:24px 32px;height:100%;overflow-y:auto;color:var(--text);animation:fadeIn .4s ease}.security-header{text-align:center;position:relative;max-width:800px;margin:0 auto 32px}.security-header:after{content:"";display:block;width:60px;height:4px;background:linear-gradient(90deg,var(--accent),var(--blue));border-radius:99px;margin:1.5rem auto 0}.security-header h2{font-size:2rem;font-weight:800;margin:0 0 12px;background:linear-gradient(90deg,var(--accent),var(--blue));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;letter-spacing:-.02em}.security-header p{color:var(--subtext);font-size:1rem;margin-bottom:24px;line-height:1.6}.security-search{position:relative;max-width:400px;margin:0 auto 24px;display:flex;align-items:center}.search-input{width:100%;padding:10px 14px 10px 42px;background:var(--input-bg);border:1px solid var(--border);border-radius:12px;color:var(--text);font-size:.9rem;font-family:inherit;outline:none;transition:all .2s}.search-input:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-15)}.search-input::placeholder{color:var(--muted)}.search-clear{position:absolute;right:14px;background:none;border:none;color:var(--muted);cursor:pointer;font-size:.85rem;padding:0;transition:color .15s}.search-clear:hover{color:var(--pink)}.security-filters{display:flex;justify-content:center;flex-wrap:wrap;gap:8px;margin-bottom:12px}.filter-btn{padding:7px 14px;background:var(--card-bg);border:1px solid var(--border);border-radius:20px;color:var(--subtext);font-size:.8rem;font-weight:500;cursor:pointer;transition:all .2s;font-family:inherit}.filter-btn:hover{background:var(--hover-bg);border-color:var(--accent-40);color:var(--text)}.filter-btn.active{background:var(--accent);color:#fff;border-color:var(--accent);box-shadow:0 4px 12px var(--accent-40)}.security-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(350px,1fr));gap:24px;margin-top:32px}.no-results{grid-column:1 / -1;text-align:center;padding:64px;color:var(--muted);font-style:italic;background:var(--card-bg);border-radius:16px;border:1px dashed var(--border)}.topic-card{background:var(--card-bg);border:1px solid var(--border);border-radius:16px;position:relative;overflow:hidden;transition:all .3s cubic-bezier(.4,0,.2,1)}.topic-card:hover{transform:translateY(-6px);border-color:var(--accent-40);box-shadow:0 12px 28px #00000026}.topic-card:after{content:"";position:absolute;top:0;left:0;width:4px;height:100%;opacity:0;transition:opacity .2s}.topic-card.transaction:after{background:var(--peach)}.topic-card.security:after{background:var(--pink)}.topic-card.isolation:after{background:var(--blue)}.topic-card.lock:after{background:var(--mauve)}.topic-card.error:after{background:var(--yellow)}.topic-card:hover:after{opacity:1}.topic-card.transaction{border-top:3px solid rgba(250,179,135,.3)}.topic-card.security{border-top:3px solid rgba(243,139,168,.3)}.topic-card.isolation{border-top:3px solid rgba(137,180,250,.3)}.topic-card.lock{border-top:3px solid rgba(203,166,247,.3)}.topic-card.error{border-top:3px solid rgba(249,226,175,.3)}.topic-header{display:flex;align-items:center;gap:12px;padding:20px 24px;cursor:pointer;-webkit-user-select:none;user-select:none;transition:background .15s}.topic-header:hover{background:var(--hover-bg)}.topic-icon{font-size:1.5rem;background:transparent;display:flex;align-items:center;justify-content:center;flex-shrink:0}.topic-header h3{margin:0;font-size:1.1rem;font-weight:700;flex:1;color:var(--text);font-family:JetBrains Mono,monospace}.topic-toggle{color:var(--muted);font-size:.72rem;transition:color .15s}.topic-header:hover .topic-toggle{color:var(--subtext)}.topic-badge{font-size:.65rem;font-weight:700;text-transform:uppercase;letter-spacing:.05em;padding:2px 8px;border-radius:20px;font-family:JetBrains Mono,monospace}.badge-transaction{background:#fab38726;color:var(--peach)}.badge-security{background:#f38ba826;color:var(--pink)}.badge-isolation{background:#89b4fa26;color:var(--blue)}.badge-lock{background:#cba6f726;color:var(--mauve)}.badge-error{background:#f9e2af26;color:var(--yellow)}.topic-desc{padding:0 24px 16px;font-size:.88rem;color:var(--subtext);line-height:1.6;margin:0}.topic-tip{margin:0 24px 16px;padding:10px 14px;background:#f9e2af14;border-left:3px solid var(--yellow);border-radius:0 8px 8px 0;font-size:.82rem;color:var(--yellow);line-height:1.5}.topic-commands{margin:0 24px 24px;display:flex;flex-direction:column;gap:16px}.sc-command-item{display:flex;flex-direction:column;gap:8px;padding-bottom:16px;border-bottom:1px dashed var(--border)}.sc-command-item:last-child{border-bottom:none;padding-bottom:0}.scc-header{display:flex;align-items:center;flex-wrap:wrap;gap:8px}.scc-header code{background:var(--input-bg);color:var(--sky);padding:3px 8px;border-radius:6px;font-size:.82rem;font-weight:700;font-family:JetBrains Mono,monospace;border:1px solid var(--border)}.scc-desc{font-size:.82rem;color:var(--subtext);flex:1}.cmd-engines{display:flex;gap:4px;margin-left:auto}.scc-example-wrap{position:relative;display:flex;align-items:flex-start;gap:8px}.scc-example{flex:1;margin:0;background:var(--input-bg);color:var(--green);padding:10px 14px;border-radius:8px;font-family:JetBrains Mono,monospace;font-size:.82rem;border:1px solid var(--border);overflow-x:auto;white-space:pre;line-height:1.6}.copy-btn{background:var(--card-bg);border:1px solid var(--border);color:var(--muted);border-radius:8px;cursor:pointer;font-size:1rem;padding:6px;transition:all .2s;line-height:1;display:flex;align-items:center;justify-content:center}.copy-btn:hover{color:var(--text);border-color:var(--accent-40);background:var(--hover-bg)}.engine-badge{padding:2px 8px;border-radius:12px;font-size:.7rem;font-weight:700;border:1px solid transparent}.engine-badge.mysql{background:#a6e3a126;color:var(--green);border-color:#a6e3a14d}.engine-badge.postgres{background:#89b4fa26;color:var(--blue);border-color:#89b4fa4d}.engine-badge.sqlite{background:#f9e2af26;color:var(--yellow);border-color:#f9e2af4d}.engine-badge.sqlserver{background:#f38ba826;color:var(--pink);border-color:#f38ba84d}.engine-badge.sm{font-size:.65rem;padding:1px 6px}.engines-section{margin-top:32px;background:var(--card-bg);border:1px solid var(--border);border-radius:16px;padding:24px;box-shadow:0 4px 12px #0000000d}.engines-section h3{font-size:1.2rem;font-weight:700;margin-bottom:8px;color:var(--blue);font-family:JetBrains Mono,monospace}.engines-section>p{color:var(--subtext);font-size:.88rem;margin-bottom:24px}.engines-table-wrap{overflow-x:auto;border-radius:12px;border:1px solid var(--border);background:var(--input-bg)}.engines-table{width:100%;border-collapse:collapse;font-size:.85rem}.engines-table th,.engines-table td{padding:12px 16px;text-align:left;border-bottom:1px solid var(--border);white-space:nowrap}.engines-table th{background:#0003;font-weight:700;color:var(--muted);font-size:.75rem;text-transform:uppercase;letter-spacing:.05em}.engines-table tr:last-child td{border-bottom:none}.engines-table tr:hover td{background:var(--hover-bg)}.feature-col{color:var(--text);font-weight:600}.tx-diagram{margin-top:32px;background:var(--card-bg);border:1px solid var(--border);border-radius:16px;padding:32px;box-shadow:0 4px 12px #0000000d}.tx-diagram h3{font-size:1.2rem;font-weight:700;margin-bottom:8px;color:var(--peach);font-family:JetBrains Mono,monospace}.diagram-subtitle{color:var(--subtext);font-size:.88rem;margin-bottom:32px}.diagram-flow{display:flex;flex-direction:column;align-items:center;gap:0}.diagram-node{width:280px;background:var(--input-bg);border:2px solid var(--border);border-radius:12px;padding:16px;text-align:center;opacity:.4;transition:all .3s ease;display:flex;flex-direction:column;align-items:center;gap:6px}.diagram-node.active{opacity:1;border-color:var(--peach);box-shadow:0 0 16px #fab38726}.diagram-node.decision{border-radius:50%;width:140px;height:140px;justify-content:center;border-color:var(--border)}.diagram-node.decision.active{border-color:var(--yellow);box-shadow:0 0 16px #f9e2af26}.diagram-node .dnode-icon{font-size:1.5rem}.diagram-node strong{font-size:.95rem;font-weight:700;color:var(--text)}.diagram-node span{font-size:.8rem;color:var(--subtext)}.diagram-code{margin-top:8px;font-size:.75rem;font-family:JetBrains Mono,monospace;background:#0003;padding:4px 8px;border-radius:6px;color:var(--sky)}.diagram-arrow{font-size:1.5rem;color:var(--border);transition:color .3s;padding:4px 0;line-height:1;-webkit-user-select:none;user-select:none}.diagram-arrow.active{color:var(--peach)}.diagram-branches{display:flex;gap:48px;margin-top:8px;align-items:flex-start}.branch{display:flex;flex-direction:column;align-items:center;gap:8px}.diagram-node.outcome{cursor:pointer;transition:all .2s}.diagram-node.outcome:not(.glow-commit):not(.glow-rollback):hover{border-color:var(--peach)!important;opacity:.9}.glow-commit{border-color:var(--green)!important;box-shadow:0 0 20px #a6e3a133!important}.glow-rollback{border-color:var(--pink)!important;box-shadow:0 0 20px #f38ba833!important}.diagram-controls{margin-top:32px;text-align:center;min-height:40px}.diagram-hint{color:var(--subtext);font-size:.85rem}.diag-btn{padding:10px 24px;border-radius:999px;border:none;cursor:pointer;font-weight:600;font-size:.9rem;font-family:inherit;transition:all .2s}.diag-btn.next{background:var(--accent);color:#fff;box-shadow:0 4px 12px var(--accent-15)}.diag-btn.next:hover{transform:translateY(-2px);box-shadow:0 6px 16px var(--accent-40)}.diag-btn.reset{background:var(--card-bg);color:var(--text);border:1px solid var(--border)}.diag-btn.reset:hover{background:var(--hover-bg);border-color:var(--muted)}.acid-box{margin-top:40px;padding:24px;background:var(--input-bg);border:1px dashed var(--border);border-radius:16px}.acid-box h4{font-size:1.1rem;color:var(--yellow);margin:0 0 16px;display:flex;align-items:center;gap:8px;font-family:JetBrains Mono,monospace}.acid-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:16px}.acid-item{display:flex;gap:12px;align-items:flex-start}.acid-letter{font-family:JetBrains Mono,monospace;font-size:1.8rem;font-weight:800;color:var(--yellow);line-height:1;flex-shrink:0}.acid-item strong{font-size:.9rem;display:block;color:var(--text);font-weight:700;margin-bottom:4px}.acid-item p{font-size:.82rem;color:var(--subtext);margin:0;line-height:1.5}.isolation-matrix{margin:32px 0 0;background:var(--card-bg);border:1px solid var(--border);border-radius:16px;padding:24px;box-shadow:0 4px 12px #0000000d}.isolation-matrix h3{font-size:1.2rem;font-weight:700;margin-bottom:8px;color:var(--blue);font-family:JetBrains Mono,monospace}.isolation-matrix>p{color:var(--subtext);font-size:.88rem;margin-bottom:24px}.isolation-table-wrap{overflow-x:auto;border-radius:12px;border:1px solid var(--border);background:var(--input-bg)}.isolation-table{width:100%;border-collapse:collapse;font-size:.85rem}.isolation-table th,.isolation-table td{padding:12px 16px;text-align:center;border-bottom:1px solid var(--border)}.isolation-table th{background:#0003;font-weight:700;color:var(--muted);font-size:.75rem;text-transform:uppercase;letter-spacing:.05em}.isolation-table td:first-child{text-align:left;font-weight:700;color:var(--text);font-family:JetBrains Mono,monospace;font-size:.8rem}.isolation-table tr:last-child td{border-bottom:none}.isolation-table tr:hover td{background:var(--hover-bg)}.ok{color:var(--green);font-weight:600}.bad{color:var(--pink);font-weight:600}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@media(max-width:900px){.security-grid{grid-template-columns:1fr}.security-header h2{font-size:1.8rem}.diagram-branches{gap:24px}.diagram-node{width:220px}.acid-grid{grid-template-columns:1fr 1fr}}@media(max-width:600px){.security-container{padding:16px 20px}.security-filters{gap:6px}.filter-btn{padding:6px 12px;font-size:.75rem}.acid-grid{grid-template-columns:1fr}.diagram-branches{flex-direction:column;align-items:center;gap:16px}}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root,[data-theme=dark]{--base: #1e1e2e;--mantle: #181825;--crust: #11111b;--surface0: #313244;--surface1: #45475a;--overlay0: #6c7086;--text: #cdd6f4;--subtext: #bac2de;--muted: #585b70;--blue: #89b4fa;--lavender: #b4befe;--mauve: #cba6f7;--pink: #f38ba8;--green: #a6e3a1;--teal: #94e2d5;--sky: #89dceb;--yellow: #f9e2af;--peach: #fab387;--accent: #cba6f7;--accent-15: rgba(203,166,247,.15);--accent-40: rgba(203,166,247,.4);--bg: #11111b;--sidebar-bg: #0a0a16;--card-bg: rgba(17,17,27,.6);--card-header: rgba(10,10,24,.8);--border: rgba(255,255,255,.06);--hover-bg: rgba(255,255,255,.04);--input-bg: #0e0e1a;--grid-color: rgba(137,180,250,.03);--gradient-a: rgba(137,180,250,.05);--gradient-b: rgba(203,166,247,.06)}[data-theme=light]{--base: #eff1f5;--mantle: #e6e9ef;--crust: #dce0e8;--surface0: #ccd0da;--surface1: #bcc0cc;--overlay0: #9ca0b0;--text: #4c4f69;--subtext: #5c5f77;--muted: #8c8fa1;--blue: #1e66f5;--lavender: #7287fd;--mauve: #8839ef;--pink: #ea76cb;--green: #40a02b;--teal: #179299;--sky: #04a5e5;--yellow: #df8e1d;--peach: #fe640b;--accent: #8839ef;--accent-15: rgba(136,57,239,.12);--accent-40: rgba(136,57,239,.35);--bg: #eff1f5;--sidebar-bg: #e2e4ec;--card-bg: rgba(255,255,255,.7);--card-header: rgba(230,233,239,.9);--border: rgba(0,0,0,.08);--hover-bg: rgba(0,0,0,.04);--input-bg: #ffffff;--grid-color: rgba(30,102,245,.04);--gradient-a: rgba(30,102,245,.04);--gradient-b: rgba(136,57,239,.04)}body{background:var(--bg);color:var(--text);font-family:Outfit,sans-serif;min-height:100vh;overflow-x:hidden;transition:background .3s,color .3s}.bg-grid{position:fixed;inset:0;z-index:0;background-image:linear-gradient(var(--grid-color) 1px,transparent 1px),linear-gradient(90deg,var(--grid-color) 1px,transparent 1px);background-size:40px 40px;pointer-events:none}.bg-grid:after{content:"";position:absolute;inset:0;background:radial-gradient(ellipse 70% 50% at 0% 0%,var(--gradient-a) 0%,transparent 55%),radial-gradient(ellipse 60% 50% at 100% 100%,var(--gradient-b) 0%,transparent 55%)}#root{position:relative;z-index:1}.app{min-height:100vh;display:flex}.app-content{flex:1;margin-left:68px;display:flex;flex-direction:column;min-height:100vh}@media(max-width:768px){.app-content{margin-left:0;margin-top:56px}}.app-header{display:flex;align-items:center;gap:16px;padding:12px 28px;background:var(--card-header);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:50;flex-wrap:wrap}.logo{font-family:JetBrains Mono,monospace;font-size:1.4rem;font-weight:700;letter-spacing:-.01em;white-space:nowrap}.logo-bracket{color:var(--surface1)}.logo-sql{color:var(--blue)}.logo-sep{color:var(--surface1);margin:0 2px}.logo-path{color:var(--mauve)}.header-meta{display:flex;gap:6px;flex-wrap:wrap}.meta-pill{font-size:.7rem;font-family:JetBrains Mono,monospace;padding:3px 10px;border-radius:20px;border:1px solid;transition:all .2s}.meta-diagram{color:var(--blue);border-color:#89b4fa59;background:#89b4fa12}.meta-tables{color:var(--green);border-color:#a6e3a159;background:#a6e3a112}.meta-agg{color:var(--yellow);border-color:#f9e2af59;background:#f9e2af12}.meta-sub{color:var(--peach);border-color:#fab38759;background:#fab38712}.meta-where{color:var(--sky);border-color:#89dceb59;background:#89dceb12}.header-right{margin-left:auto}.loading-badge{font-size:.72rem;color:var(--yellow);font-family:JetBrains Mono,monospace;animation:pulse 1.5s ease infinite}.ready-badge{font-size:.72rem;color:var(--green);font-family:JetBrains Mono,monospace}@keyframes pulse{0%,to{opacity:1}50%{opacity:.4}}.tagline{font-size:.75rem;color:var(--surface1);font-style:italic}.app-body{flex:1;display:grid;grid-template-columns:400px 1fr;gap:0;min-height:0}@media(max-width:960px){.app-body{grid-template-columns:1fr}}.left-col{display:flex;flex-direction:column;gap:12px;padding:20px;border-right:1px solid var(--border);background:var(--card-bg);max-height:calc(100vh - 52px);overflow-y:auto;position:sticky;top:52px}.err-box{background:#f38ba814;border:1px solid rgba(243,139,168,.3);border-radius:8px;padding:10px 14px;color:var(--pink);font-size:.8rem;font-family:JetBrains Mono,monospace}.right-col{display:flex;flex-direction:column;min-height:0}.tab-bar{display:flex;gap:0;border-bottom:1px solid var(--border);background:var(--card-bg);padding:0 20px;overflow-x:auto}.tab-btn{display:flex;align-items:center;gap:7px;padding:12px 18px;border:none;background:transparent;color:var(--overlay0);font-family:Outfit,sans-serif;font-size:.82rem;font-weight:500;cursor:pointer;transition:all .2s;border-bottom:2px solid transparent;white-space:nowrap}.tab-btn:hover{color:var(--subtext)}.tab-active{color:var(--accent)!important;border-bottom-color:var(--accent)!important}.tab-icon{font-size:1rem;font-family:JetBrains Mono,monospace}.tab-content{flex:1;padding:24px 28px;overflow-y:auto;max-height:calc(100vh - 110px)}.results-section{animation:fadeIn .3s ease}.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;height:300px;color:var(--surface1)}.empty-glyph{font-size:5rem;font-family:JetBrains Mono,monospace;color:var(--accent-15);line-height:1}.empty-state p{font-size:.9rem;color:var(--surface1)}.empty-hint{font-size:.75rem!important;color:var(--muted)!important;font-family:JetBrains Mono,monospace}.section-full{flex:1;display:flex;flex-direction:column;min-height:calc(100vh + -0px)}.section-padded{flex:1;padding:24px 28px;overflow-y:auto;max-height:100vh}::-webkit-scrollbar{width:5px;height:5px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--accent-15);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--accent-40)}@keyframes fadeIn{0%{opacity:0;transform:translateY(3px)}to{opacity:1;transform:translateY(0)}}@keyframes slideInLeft{0%{opacity:0;transform:translate(-10px)}to{opacity:1;transform:translate(0)}}