*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--bg-0: #05070f;--bg-1: #080d1c;--bg-2: #0d1427;--bg-card: rgba(13, 20, 39, .72);--bg-glass: rgba(255, 255, 255, .03);--accent-indigo: #6366f1;--accent-violet: #8b5cf6;--accent-cyan: #22d3ee;--accent-emerald: #10b981;--accent-amber: #f59e0b;--accent-rose: #f43f5e;--accent-pink: #ec4899;--text-0: #f1f5f9;--text-1: #cbd5e1;--text-2: #94a3b8;--text-3: #64748b;--border: rgba(99, 102, 241, .12);--border-active: rgba(99, 102, 241, .45);--border-glow: rgba(99, 102, 241, .3);--radius-sm: 10px;--radius-md: 16px;--radius-lg: 22px;--radius-xl: 28px;--shadow-card: 0 4px 24px rgba(0, 0, 0, .35), 0 0 0 1px rgba(99, 102, 241, .08);--shadow-glow: 0 0 28px rgba(99, 102, 241, .18), 0 0 56px rgba(99, 102, 241, .08);--shadow-active: 0 0 0 2px rgba(99, 102, 241, .45), 0 8px 32px rgba(99, 102, 241, .2);--ease-spring: cubic-bezier(.16, 1, .3, 1);--ease-smooth: cubic-bezier(.4, 0, .2, 1)}html{scroll-behavior:smooth}body{font-family:Inter,system-ui,-apple-system,sans-serif;background:var(--bg-0);color:var(--text-0);min-height:100vh;overflow-x:hidden;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}code,pre{font-family:Fira Code,JetBrains Mono,monospace!important}::selection{background:#6366f159;color:#fff}::-webkit-scrollbar{width:5px;height:5px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:#6366f14d;border-radius:999px}::-webkit-scrollbar-thumb:hover{background:#6366f199}.bg-ambiance{position:fixed;top:0;right:0;bottom:0;left:0;z-index:0;pointer-events:none;overflow:hidden}.bg-ambiance:before{content:"";position:absolute;top:-40%;left:-20%;width:80vw;height:80vw;background:radial-gradient(ellipse at center,rgba(99,102,241,.09) 0%,transparent 65%);animation:orb-drift 25s ease-in-out infinite alternate}.bg-ambiance:after{content:"";position:absolute;bottom:-30%;right:-15%;width:65vw;height:65vw;background:radial-gradient(ellipse at center,rgba(139,92,246,.07) 0%,transparent 65%);animation:orb-drift 30s ease-in-out infinite alternate-reverse}@keyframes orb-drift{0%{transform:translate(0) scale(1)}to{transform:translate(6%,4%) scale(1.08)}}.bg-grid{position:fixed;top:0;right:0;bottom:0;left:0;z-index:0;pointer-events:none;background-image:linear-gradient(rgba(99,102,241,.03) 1px,transparent 1px),linear-gradient(90deg,rgba(99,102,241,.03) 1px,transparent 1px);background-size:48px 48px}#root{position:relative;z-index:1;display:flex;flex-direction:column;min-height:100vh}.site-header{position:sticky;top:0;z-index:100;background:#05070fd9;-webkit-backdrop-filter:blur(20px) saturate(1.8);backdrop-filter:blur(20px) saturate(1.8);border-bottom:1px solid var(--border);padding:0 clamp(16px,4vw,48px);height:64px;display:flex;align-items:center;justify-content:space-between;gap:16px}.logo{display:flex;align-items:center;gap:12px;cursor:pointer;text-decoration:none;flex-shrink:0}.logo-icon{width:36px;height:36px;background:linear-gradient(135deg,var(--accent-indigo),var(--accent-violet));border-radius:10px;display:flex;align-items:center;justify-content:center;box-shadow:0 0 18px #6366f166;animation:logo-pulse 4s ease-in-out infinite}@keyframes logo-pulse{0%,to{box-shadow:0 0 18px #6366f166}50%{box-shadow:0 0 32px #8b5cf68c}}.logo-text{display:flex;flex-direction:column}.logo-title{font-size:15px;font-weight:800;letter-spacing:-.3px;background:linear-gradient(135deg,#fff,#a5b4fc);-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1.1}.logo-sub{font-size:10px;font-weight:500;color:var(--text-3);letter-spacing:.3px}.header-nav{display:flex;align-items:center;gap:4px;background:#ffffff08;border:1px solid var(--border);border-radius:12px;padding:4px;flex-shrink:0}.header-nav-btn{display:flex;align-items:center;gap:6px;padding:6px 14px;border-radius:9px;font-size:12px;font-weight:700;border:none;cursor:pointer;font-family:inherit;color:var(--text-2);background:transparent;transition:all .18s;white-space:nowrap}.header-nav-btn:hover{color:var(--text-0);background:#ffffff0d}.header-nav-btn.active{background:linear-gradient(135deg,#6366f133,#8b5cf626);border:1px solid rgba(99,102,241,.3);color:#c7d2fe;box-shadow:0 0 12px #6366f126}.header-search{flex:1;max-width:400px;position:relative}.header-search input{width:100%;height:38px;background:#ffffff0a;border:1px solid var(--border);border-radius:10px;color:var(--text-0);font-size:13px;padding:0 14px 0 38px;outline:none;transition:border-color .2s,box-shadow .2s,background .2s;font-family:inherit}.header-search input::placeholder{color:var(--text-3)}.header-search input:focus{border-color:var(--accent-indigo);background:#6366f10d;box-shadow:0 0 0 3px #6366f11f}.header-search-icon{position:absolute;left:12px;top:50%;transform:translateY(-50%);color:var(--text-3);pointer-events:none;width:15px;height:15px}.header-actions{display:flex;align-items:center;gap:8px}.btn{display:inline-flex;align-items:center;gap:7px;font-size:12px;font-weight:600;border-radius:9px;border:1px solid;cursor:pointer;transition:all .18s var(--ease-smooth);white-space:nowrap;font-family:inherit}.btn:active{transform:scale(.96)}.btn-ghost{background:#ffffff0a;border-color:var(--border);color:var(--text-1);padding:7px 13px}.btn-ghost:hover{background:#ffffff14;border-color:#ffffff1f;color:var(--text-0)}.btn-primary{background:linear-gradient(135deg,var(--accent-indigo),var(--accent-violet));border-color:transparent;color:#fff;padding:7px 15px;box-shadow:0 2px 12px #6366f14d}.btn-primary:hover{box-shadow:0 4px 20px #6366f173;filter:brightness(1.1)}.btn-amber{background:#f59e0b1a;border-color:#f59e0b33;color:var(--accent-amber);padding:7px 13px}.btn-amber:hover{background:#f59e0b2e}.btn-emerald{background:#10b9811a;border-color:#10b98133;color:var(--accent-emerald);padding:7px 13px}.btn-emerald:hover{background:#10b9812e}.hero{padding:56px clamp(16px,4vw,48px) 32px;text-align:center;position:relative}.hero:after{content:"";position:absolute;bottom:0;left:50%;transform:translate(-50%);width:60%;height:1px;background:linear-gradient(90deg,transparent,var(--border-glow),transparent)}.hero-badge{display:inline-flex;align-items:center;gap:6px;background:#6366f114;border:1px solid rgba(99,102,241,.2);border-radius:999px;padding:5px 14px;font-size:11px;font-weight:600;color:#a5b4fc;margin-bottom:20px;letter-spacing:.3px}.hero-badge-dot{width:6px;height:6px;border-radius:50%;background:var(--accent-indigo);box-shadow:0 0 8px var(--accent-indigo);animation:dot-pulse 2s ease-in-out infinite}@keyframes dot-pulse{0%,to{opacity:1;transform:scale(1)}50%{opacity:.5;transform:scale(.8)}}.hero h1{font-size:clamp(28px,4.5vw,52px);font-weight:900;letter-spacing:-1.5px;line-height:1.08;margin-bottom:16px}.hero h1 span{background:linear-gradient(135deg,var(--accent-indigo) 0%,var(--accent-cyan) 100%);-webkit-background-clip:text;background-clip:text;color:transparent}.hero-sub{font-size:15px;color:var(--text-2);max-width:560px;margin:0 auto 32px;line-height:1.7}.hero-stats{display:flex;justify-content:center;gap:8px;flex-wrap:wrap}.stat-pill{background:#ffffff0a;border:1px solid var(--border);border-radius:999px;padding:8px 20px;font-size:12px;font-weight:600;color:var(--text-2);display:flex;align-items:center;gap:8px;transition:border-color .2s}.stat-pill:hover{border-color:var(--border-active)}.stat-pill strong{color:var(--text-0);font-size:14px}.main-layout{display:grid;grid-template-columns:264px 1fr;gap:24px;padding:28px clamp(16px,4vw,48px) 48px;max-width:1600px;width:100%;margin:0 auto}@media (max-width: 960px){.main-layout{grid-template-columns:1fr}}.sidebar{position:sticky;top:80px;height:fit-content;display:flex;flex-direction:column;gap:6px}.sidebar-section{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-md);padding:16px;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px)}.sidebar-label{font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:1.2px;color:var(--text-3);margin-bottom:10px;display:flex;align-items:center;gap:8px}.sidebar-label:after{content:"";flex:1;height:1px;background:var(--border)}.filter-btn{width:100%;text-align:left;display:flex;align-items:center;justify-content:space-between;padding:9px 11px;border-radius:9px;border:1px solid transparent;font-size:12px;font-weight:500;color:var(--text-2);cursor:pointer;transition:all .18s var(--ease-smooth);background:transparent;font-family:inherit}.filter-btn:hover{background:var(--bg-glass);color:var(--text-1)}.filter-btn.active{background:#6366f11f;border-color:#6366f14d;color:#a5b4fc;font-weight:600;box-shadow:inset 0 0 0 1px #6366f11a}.filter-btn-count{font-size:10px;background:var(--bg-2);border-radius:5px;padding:1px 6px;color:var(--text-3);font-weight:600}.filter-btn.active .filter-btn-count{background:#6366f133;color:#a5b4fc}.diff-grid{display:grid;grid-template-columns:1fr 1fr;gap:5px}.diff-btn{padding:8px 6px;border-radius:9px;border:1px solid transparent;font-size:11px;font-weight:600;text-align:center;cursor:pointer;background:var(--bg-2);color:var(--text-2);transition:all .18s;font-family:inherit}.diff-btn:hover{filter:brightness(1.2)}.diff-btn.easy.active{background:#10b98126;border-color:#10b98159;color:#34d399}.diff-btn.medium.active{background:#f59e0b26;border-color:#f59e0b59;color:#fbbf24}.diff-btn.hard.active{background:#f43f5e26;border-color:#f43f5e59;color:#fb7185}.diff-btn.advanced.active{background:#a855f726;border-color:#a855f759;color:#c084fc}.diff-btn.all.active{background:#6366f126;border-color:#6366f159;color:#a5b4fc}.sidebar-stats{background:linear-gradient(135deg,#6366f11a,#8b5cf60f);border:1px solid rgba(99,102,241,.18);border-radius:var(--radius-md);padding:16px;text-align:center}.sidebar-stats-num{font-size:28px;font-weight:900;letter-spacing:-1px;background:linear-gradient(135deg,var(--accent-indigo),var(--accent-cyan));-webkit-background-clip:text;background-clip:text;color:transparent}.sidebar-stats-label{font-size:11px;color:var(--text-2);font-weight:500}.content-area{display:flex;flex-direction:column;gap:20px;min-width:0}.toolbar{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}.toolbar-left{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.toolbar-info{font-size:12px;color:var(--text-3);font-weight:500}.toolbar-info strong{color:var(--accent-indigo)}.filter-tag{display:inline-flex;align-items:center;gap:6px;background:#6366f11f;border:1px solid rgba(99,102,241,.25);border-radius:999px;padding:4px 10px 4px 12px;font-size:11px;font-weight:600;color:#a5b4fc}.filter-tag button{display:flex;align-items:center;justify-content:center;width:16px;height:16px;border-radius:50%;background:#6366f133;border:none;cursor:pointer;color:#a5b4fc;font-size:12px;line-height:1;transition:background .15s}.filter-tag button:hover{background:#f43f5e4d;color:#fb7185}.cards-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px}.algo-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:20px;cursor:pointer;position:relative;overflow:hidden;transition:transform .22s var(--ease-spring),box-shadow .22s var(--ease-spring),border-color .22s;display:flex;flex-direction:column;gap:12px;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.algo-card:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:linear-gradient(135deg,rgba(99,102,241,.04) 0%,transparent 60%);opacity:0;transition:opacity .3s;pointer-events:none}.algo-card:hover{transform:translateY(-4px) scale(1.005);border-color:var(--border-active);box-shadow:var(--shadow-glow),0 12px 40px #0006}.algo-card:hover:before{opacity:1}.algo-card:after{content:"";position:absolute;top:0;left:-100%;width:60%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.025),transparent);transition:left .5s var(--ease-smooth);pointer-events:none}.algo-card:hover:after{left:150%}.card-top{display:flex;align-items:center;justify-content:space-between;gap:8px}.card-id{font-size:11px;font-weight:700;background:#6366f11f;border:1px solid rgba(99,102,241,.22);border-radius:6px;padding:3px 8px;color:#a5b4fc;font-family:Fira Code,monospace}.card-actions{display:flex;align-items:center;gap:4px}.card-action-btn{width:28px;height:28px;border-radius:8px;display:flex;align-items:center;justify-content:center;background:transparent;border:none;cursor:pointer;color:var(--text-3);transition:all .15s;font-size:14px}.card-action-btn:hover{background:var(--bg-glass);color:var(--text-1)}.card-action-btn.active-fav{color:var(--accent-amber)}.card-action-btn.active-done{color:var(--accent-emerald)}.card-badge{font-size:10px;font-weight:700;letter-spacing:.5px;border-radius:6px;padding:3px 9px;border:1px solid}.badge-easy{background:#10b9811f;border-color:#10b98140;color:#34d399}.badge-medium{background:#f59e0b1f;border-color:#f59e0b40;color:#fbbf24}.badge-hard{background:#f43f5e1f;border-color:#f43f5e40;color:#fb7185}.badge-advanced{background:#a855f71f;border-color:#a855f740;color:#c084fc}.card-title{font-size:14px;font-weight:700;color:var(--text-0);line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color .18s}.algo-card:hover .card-title{color:#c7d2fe}.card-cat{font-size:11px;color:var(--text-3);font-weight:500;display:flex;align-items:center;gap:6px}.card-cat-dot{width:5px;height:5px;border-radius:50%;background:linear-gradient(135deg,var(--accent-indigo),var(--accent-violet));flex-shrink:0}.card-summary{font-size:12px;color:var(--text-2);line-height:1.65;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;flex:1}.card-footer{padding-top:12px;border-top:1px solid var(--border);display:flex;align-items:center;justify-content:space-between}.card-meta{display:flex;align-items:center;gap:10px;font-size:11px;color:var(--text-3);font-weight:500}.card-meta-item{display:flex;align-items:center;gap:4px}.card-open-btn{font-size:11px;font-weight:700;background:transparent;border:none;cursor:pointer;color:var(--accent-indigo);display:flex;align-items:center;gap:4px;padding:5px 10px;border-radius:8px;font-family:inherit;transition:background .15s,color .15s}.card-open-btn:hover{background:#6366f11f;color:#a5b4fc}.algo-card.is-solved:before{opacity:.5;background:linear-gradient(135deg,rgba(16,185,129,.06) 0%,transparent 60%)}.algo-card.is-solved{border-color:#10b98133}.empty-state{padding:64px 24px;text-align:center;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-xl);display:flex;flex-direction:column;align-items:center;gap:16px}.empty-icon{width:64px;height:64px;border-radius:18px;background:#6366f114;border:1px solid rgba(99,102,241,.15);display:flex;align-items:center;justify-content:center;font-size:28px}.empty-title{font-size:18px;font-weight:700;color:var(--text-0)}.empty-sub{font-size:13px;color:var(--text-2);max-width:320px;line-height:1.6}.pagination{display:flex;align-items:center;justify-content:space-between;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-md);padding:12px 16px;gap:12px;flex-wrap:wrap}.pagination-info{font-size:12px;color:var(--text-3);font-weight:500}.pagination-info strong{color:var(--text-0)}.pagination-btns{display:flex;align-items:center;gap:4px}.page-btn{min-width:34px;height:34px;border-radius:9px;display:flex;align-items:center;justify-content:center;background:var(--bg-2);border:1px solid var(--border);color:var(--text-2);font-size:12px;font-weight:600;cursor:pointer;transition:all .18s;font-family:inherit}.page-btn:hover:not(:disabled){background:#6366f11a;border-color:var(--border-active);color:#a5b4fc}.page-btn.active{background:linear-gradient(135deg,var(--accent-indigo),var(--accent-violet));border-color:transparent;color:#fff;box-shadow:0 2px 10px #6366f159}.page-btn:disabled{opacity:.3;cursor:not-allowed}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:200;background:#05070fd1;-webkit-backdrop-filter:blur(18px) saturate(1.5);backdrop-filter:blur(18px) saturate(1.5);display:flex;align-items:center;justify-content:center;padding:16px;animation:overlay-in .2s var(--ease-spring)}@keyframes overlay-in{0%{opacity:0}to{opacity:1}}.modal-box{background:#0a0e1cf7;border:1px solid rgba(99,102,241,.2);border-radius:var(--radius-xl);width:100%;max-width:1100px;max-height:90vh;display:flex;flex-direction:column;box-shadow:0 32px 80px #000000b3,0 0 0 1px #6366f11f,var(--shadow-glow);animation:modal-in .25s var(--ease-spring);overflow:hidden}@keyframes modal-in{0%{opacity:0;transform:scale(.95) translateY(12px)}to{opacity:1;transform:scale(1) translateY(0)}}.modal-header{padding:20px 24px 0;display:flex;align-items:flex-start;justify-content:space-between;gap:16px;flex-shrink:0}.modal-header-left{flex:1;min-width:0}.modal-title-row{display:flex;align-items:center;gap:10px;margin-bottom:6px;flex-wrap:wrap}.modal-id{font-family:Fira Code,monospace;font-size:12px;font-weight:700;background:#6366f126;border:1px solid rgba(99,102,241,.3);border-radius:7px;padding:3px 10px;color:#a5b4fc;flex-shrink:0}.modal-title{font-size:clamp(15px,2vw,19px);font-weight:800;color:var(--text-0);line-height:1.3}.modal-cat-row{font-size:12px;color:var(--text-2);display:flex;align-items:center;gap:8px}.modal-header-actions{display:flex;align-items:center;gap:8px;flex-shrink:0}.modal-close{width:34px;height:34px;border-radius:9px;background:var(--bg-2);border:1px solid var(--border);display:flex;align-items:center;justify-content:center;cursor:pointer;color:var(--text-2);font-size:18px;line-height:1;transition:all .15s}.modal-close:hover{background:#f43f5e1f;border-color:#f43f5e40;color:#fb7185}.modal-tabs{padding:14px 24px 0;display:flex;align-items:center;gap:6px;flex-shrink:0;border-bottom:1px solid var(--border)}.tab-btn{display:flex;align-items:center;gap:7px;padding:9px 16px 10px;border:none;background:transparent;font-size:12px;font-weight:600;color:var(--text-3);cursor:pointer;position:relative;font-family:inherit;border-radius:9px 9px 0 0;transition:color .18s,background .18s}.tab-btn:hover{color:var(--text-1);background:var(--bg-glass)}.tab-btn.active{color:var(--text-0)}.tab-btn.active:after{content:"";position:absolute;bottom:-1px;left:0;right:0;height:2px;background:linear-gradient(90deg,var(--accent-indigo),var(--accent-violet));border-radius:2px 2px 0 0}.modal-nav{margin-left:auto;display:flex;align-items:center;gap:6px}.modal-body{padding:24px;overflow-y:auto;flex:1}.algo-desc-box{background:#6366f10f;border:1px solid rgba(99,102,241,.15);border-radius:var(--radius-md);padding:16px;font-size:13px;color:var(--text-1);line-height:1.7;margin-bottom:20px}.algo-desc-box strong{color:#a5b4fc}.steps-header{display:flex;align-items:center;gap:8px;margin-bottom:14px;font-size:12px;font-weight:700;color:var(--text-2);text-transform:uppercase;letter-spacing:.8px}.step-item{display:flex;align-items:flex-start;gap:14px;padding:14px 16px;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-md);margin-bottom:8px;transition:border-color .18s;animation:step-in .3s var(--ease-spring) both}@keyframes step-in{0%{opacity:0;transform:translate(-10px)}to{opacity:1;transform:translate(0)}}.step-item:hover{border-color:var(--border-active)}.step-num{min-width:28px;height:28px;border-radius:8px;background:linear-gradient(135deg,var(--accent-indigo),var(--accent-violet));display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:800;color:#fff;flex-shrink:0}.step-text{font-size:13px;color:var(--text-1);line-height:1.65;padding-top:4px}.mermaid-container{background:#05070fcc;border:1px solid var(--border);border-radius:var(--radius-lg);padding:32px;min-height:360px;display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden}.mermaid-controls{position:absolute;top:12px;right:12px;display:flex;gap:5px;background:var(--bg-1);border:1px solid var(--border);border-radius:10px;padding:5px}.mermaid-controls button{width:28px;height:28px;border-radius:7px;background:transparent;border:none;cursor:pointer;color:var(--text-3);font-size:14px;display:flex;align-items:center;justify-content:center;transition:all .15s}.mermaid-controls button:hover{background:var(--bg-glass);color:var(--text-0)}.mermaid-badge{position:absolute;top:12px;left:12px;display:flex;align-items:center;gap:6px;background:#6366f11a;border:1px solid rgba(99,102,241,.2);border-radius:8px;padding:5px 12px;font-size:10px;font-weight:600;color:#a5b4fc}.mermaid-svg-wrap{width:100%;display:flex;justify-content:center;align-items:center;transition:transform .25s var(--ease-spring)}.mermaid-loading{display:flex;flex-direction:column;align-items:center;gap:12px}.spinner{width:32px;height:32px;border:2.5px solid rgba(99,102,241,.2);border-top-color:var(--accent-indigo);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.mermaid-svg-wrap svg{max-width:100%;height:auto;filter:drop-shadow(0 4px 16px rgba(99,102,241,.12))}.lang-selector{display:flex;align-items:center;gap:6px;padding-bottom:14px;overflow-x:auto;scrollbar-width:none}.lang-selector::-webkit-scrollbar{display:none}.lang-chip{display:flex;align-items:center;gap:6px;padding:6px 14px;border-radius:999px;border:1px solid;font-size:11px;font-weight:700;cursor:pointer;white-space:nowrap;transition:all .18s;font-family:inherit;flex-shrink:0;background:var(--bg-2);border-color:var(--border);color:var(--text-2)}.lang-chip:hover{border-color:var(--border-active);color:var(--text-0)}.lang-chip.active{border-color:transparent;color:#fff;background:linear-gradient(135deg,var(--accent-indigo),var(--accent-violet));box-shadow:0 2px 12px #6366f159}.lang-dot{width:6px;height:6px;border-radius:50%;flex-shrink:0}.code-window{background:#0a0c16;border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;box-shadow:0 8px 32px #00000080}.code-topbar{padding:10px 16px;background:#ffffff05;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between}.code-dots{display:flex;gap:6px}.code-dots span{width:11px;height:11px;border-radius:50%}.code-dots span:nth-child(1){background:#ff5f57}.code-dots span:nth-child(2){background:#ffbd2e}.code-dots span:nth-child(3){background:#28ca40}.code-filename{font-size:11px;color:var(--text-3);font-family:Fira Code,monospace}.code-copy-btn{display:flex;align-items:center;gap:6px;font-size:11px;font-weight:600;background:#6366f11a;border:1px solid rgba(99,102,241,.2);border-radius:7px;padding:5px 11px;color:#a5b4fc;cursor:pointer;transition:all .15s;font-family:inherit}.code-copy-btn:hover{background:#6366f133}.code-copy-btn.copied{color:var(--accent-emerald);border-color:#10b9814d;background:#10b9811a}.code-body{padding:20px;overflow-x:auto;max-height:400px;font-size:12.5px;line-height:1.75}.code-body pre{margin:0!important;background:transparent!important;padding:0!important}.console-panel{background:#05070fcc;border:1px solid var(--border);border-radius:var(--radius-md);padding:14px;display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:14px}@media (max-width: 600px){.console-panel{grid-template-columns:1fr}}.console-box{background:var(--bg-1);border:1px solid var(--border);border-radius:var(--radius-sm);padding:10px 12px}.console-label{font-size:9px;font-weight:700;text-transform:uppercase;letter-spacing:1px;color:var(--text-3);margin-bottom:6px}.console-val{font-family:Fira Code,monospace;font-size:11px;color:var(--accent-cyan);word-break:break-all;line-height:1.6}.console-val.output{color:var(--accent-emerald)}pre[class*=language-],code[class*=language-]{background:transparent!important;text-shadow:none!important;font-size:12.5px!important}.site-footer{border-top:1px solid var(--border);padding:24px clamp(16px,4vw,48px);display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:12px;color:var(--text-3)}.footer-langs{display:flex;gap:6px;flex-wrap:wrap}.footer-lang-tag{background:var(--bg-2);border:1px solid var(--border);border-radius:6px;padding:2px 8px;font-size:10px;font-weight:600;color:var(--text-3)}.fade-in{animation:fade-in .25s var(--ease-spring) both}@keyframes fade-in{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}@media (max-width: 600px){.site-header{height:auto;padding:12px 16px;flex-wrap:wrap}.header-search{max-width:100%;order:3}.hero{padding:32px 16px 20px}}.tab-btn.tab-locked{color:var(--text-3);opacity:.75;cursor:default}.tab-btn.tab-locked:hover{color:var(--accent-amber);background:#f59e0b0d}.try-cta{margin-top:24px;display:flex;align-items:center;gap:14px;background:linear-gradient(135deg,#6366f112,#22d3ee0a);border:1px solid rgba(99,102,241,.2);border-radius:var(--radius-md);padding:16px 18px;flex-wrap:wrap}.try-cta-icon{font-size:22px;flex-shrink:0}.try-cta-title{font-size:13px;font-weight:700;color:var(--text-0);margin-bottom:2px}.try-cta-sub{font-size:11px;color:var(--text-2)}.user-editor-root{display:flex;flex-direction:column;gap:16px}.user-editor-header{background:linear-gradient(135deg,#22d3ee0f,#6366f10a);border:1px solid rgba(34,211,238,.18);border-radius:var(--radius-md);padding:16px 18px}.user-editor-title{display:flex;align-items:center;gap:10px;font-size:15px;font-weight:800;color:var(--text-0);margin-bottom:6px}.user-editor-badge{font-size:10px;font-weight:700;letter-spacing:.5px;background:linear-gradient(135deg,#22d3ee33,#6366f133);border:1px solid rgba(34,211,238,.3);border-radius:999px;padding:2px 10px;color:var(--accent-cyan)}.user-editor-sub{font-size:12px;color:var(--text-2);line-height:1.6}.user-editor-window{background:#07090f;border:1px solid rgba(34,211,238,.15);border-radius:var(--radius-lg);overflow:hidden;box-shadow:0 8px 32px #00000080,0 0 0 1px #22d3ee0f}.user-editor-area{display:flex;min-height:340px}.user-editor-lines{padding:20px 0;min-width:44px;width:44px;background:#0000004d;border-right:1px solid var(--border);display:flex;flex-direction:column;align-items:flex-end;flex-shrink:0;-webkit-user-select:none;user-select:none;overflow:hidden}.user-editor-line-num{font-family:Fira Code,monospace;font-size:11px;line-height:21px;color:#64748b80;padding:0 8px;min-height:21px}.user-editor-textarea{flex:1;background:transparent;border:none;outline:none;resize:none;color:var(--text-0);font-family:Fira Code,monospace;font-size:12.5px;line-height:21px;padding:20px 16px;caret-color:var(--accent-cyan);-moz-tab-size:4;tab-size:4;white-space:pre;overflow-x:auto;overflow-y:auto}.user-editor-textarea::placeholder{color:var(--text-3)}.user-editor-textarea:focus{outline:none}.reveal-section{display:flex;flex-direction:column;align-items:center;gap:10px}.reveal-btn{display:flex;align-items:center;gap:8px;font-size:13px;font-weight:700;background:#6366f114;border:1px solid rgba(99,102,241,.25);border-radius:var(--radius-md);padding:12px 24px;color:#a5b4fc;cursor:pointer;font-family:inherit;transition:all .2s;width:fit-content}.reveal-btn:hover{background:#6366f126;border-color:#6366f173;color:#c7d2fe}.reveal-warning{width:100%;background:#f59e0b12;border:1px solid rgba(245,158,11,.22);border-radius:var(--radius-md);padding:16px 18px;display:flex;align-items:flex-start;gap:14px;flex-wrap:wrap}.reveal-warning-icon{width:36px;height:36px;border-radius:10px;background:#f59e0b26;border:1px solid rgba(245,158,11,.25);display:flex;align-items:center;justify-content:center;flex-shrink:0}.reveal-warning-body{flex:1;min-width:180px}.reveal-warning-title{font-size:14px;font-weight:800;color:#fbbf24;margin-bottom:4px}.reveal-warning-text{font-size:12px;color:var(--text-2);line-height:1.6}.reveal-warning-btns{display:flex;align-items:center;gap:8px;flex-shrink:0}.locked-state{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:56px 24px;text-align:center;gap:16px}.locked-icon{font-size:40px;line-height:1}.locked-title{font-size:20px;font-weight:800;color:var(--text-0)}.locked-sub{font-size:13px;color:var(--text-2);line-height:1.7;max-width:360px;margin-bottom:8px}.modal-progress-bar{display:flex;align-items:center;padding:10px 24px;background:#0003;border-bottom:1px solid var(--border);gap:0;flex-shrink:0}.modal-progress-step{display:flex;align-items:center;gap:7px;font-size:11px;font-weight:600;color:var(--text-3);padding:5px 12px;border-radius:20px;border:1px solid transparent;transition:all .2s;white-space:nowrap}.modal-progress-step span{width:18px;height:18px;border-radius:50%;background:var(--bg-2);border:1px solid var(--border);display:flex;align-items:center;justify-content:center;font-size:10px;font-weight:800;flex-shrink:0;transition:all .2s}.modal-progress-step.active{color:#a5b4fc;background:#6366f114;border-color:#6366f133}.modal-progress-step.active span{background:linear-gradient(135deg,var(--accent-indigo),var(--accent-violet));border-color:transparent;color:#fff}.modal-progress-step.done{color:#34d399}.modal-progress-step.done span{background:#10b98133;border-color:#10b9814d;color:#34d399}.modal-progress-connector{flex:1;height:1px;background:linear-gradient(90deg,var(--border),var(--border));max-width:48px;min-width:12px}.reveal-toggle-btn{width:100%;display:flex;align-items:center;justify-content:center;gap:8px;padding:10px 20px;border-radius:var(--radius-md);border:1px dashed rgba(99,102,241,.3);background:#6366f10a;color:var(--text-2);font-size:12px;font-weight:600;cursor:pointer;font-family:inherit;margin-bottom:14px;transition:all .18s}.reveal-toggle-btn:hover{border-color:#6366f180;color:#a5b4fc;background:#6366f114}.revealed-content{border:1px solid rgba(16,185,129,.18);border-radius:var(--radius-lg);overflow:hidden;background:#10b98105}.revealed-content-banner{display:flex;align-items:center;gap:10px;padding:10px 16px;background:#10b9810f;border-bottom:1px solid rgba(16,185,129,.12);font-size:12px;color:#6ee7b7;font-weight:500}.revealed-content>div:last-child{padding:16px}.flowchart-editor-root{display:flex;flex-direction:column;gap:14px}.flowchart-panel{display:flex;gap:0;border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;background:#07090f;box-shadow:0 8px 32px #00000080}.flowchart-toolbar{width:80px;flex-shrink:0;background:#0006;border-right:1px solid var(--border);display:flex;flex-direction:column;align-items:center;gap:6px;padding:12px 8px;overflow-y:auto}.flowchart-toolbar-section{display:flex;flex-direction:column;align-items:center;gap:5px;width:100%}.flowchart-toolbar-label{font-size:9px;font-weight:800;letter-spacing:.8px;color:var(--text-3);text-transform:uppercase;width:100%;text-align:center;padding:2px 0}.flowchart-toolbar-divider{width:100%;height:1px;background:var(--border);margin:4px 0}.flowchart-legend{width:100%;display:flex;flex-direction:column;gap:4px;margin-top:8px}.flowchart-legend-item{display:flex;align-items:center;gap:5px;font-size:8px;color:var(--text-3);font-weight:600;line-height:1.2}.flowchart-canvas-wrap{flex:1;display:flex;flex-direction:column;overflow:hidden}.flowchart-status{padding:7px 14px;background:#0000004d;border-bottom:1px solid var(--border);font-size:11px;color:var(--text-3);font-weight:500;min-height:32px;display:flex;align-items:center}.flowchart-canvas-outer{flex:1;overflow:auto;position:relative;background:#050810;background-image:radial-gradient(circle at 20% 30%,rgba(99,102,241,.04) 0%,transparent 60%),radial-gradient(circle at 80% 70%,rgba(139,92,246,.03) 0%,transparent 60%)}.flowchart-stats-bar{padding:6px 14px;background:#0000004d;border-top:1px solid var(--border);font-size:10px;color:var(--text-3);display:flex;align-items:center;gap:8px}.guide-view{position:relative;z-index:1}.guide-hero{text-align:center;padding:clamp(40px,6vw,80px) clamp(16px,4vw,48px) 40px;position:relative}.guide-back-btn{position:absolute;top:20px;left:clamp(16px,4vw,48px)}.guide-hero-title{font-size:clamp(28px,5vw,52px);font-weight:900;letter-spacing:-1.5px;background:linear-gradient(135deg,#fff,#a5b4fc,#818cf8);-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1.15;margin:16px 0 12px}.guide-hero-sub{font-size:clamp(13px,2vw,16px);color:var(--text-2);line-height:1.7;max-width:640px;margin:0 auto 28px}.guide-content-wrap{max-width:1100px;margin:0 auto;padding:0 clamp(16px,4vw,48px) 48px}.guide-section-title{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:800;color:var(--text-0);margin-bottom:20px}.guide-lang-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:14px}.guide-lang-card{display:flex;align-items:center;gap:14px;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-md);padding:16px 18px;cursor:pointer;text-align:left;font-family:inherit;transition:all .2s;position:relative;overflow:hidden}.guide-lang-card:before{content:"";position:absolute;top:0;left:0;width:3px;height:100%;background:var(--card-color, var(--accent-indigo));opacity:0;transition:opacity .2s}.guide-lang-card:hover{border-color:var(--card-color, var(--accent-indigo));transform:translate(4px);box-shadow:0 4px 20px #0000004d}.guide-lang-card:hover:before{opacity:1}.guide-lang-card.guide-lang-soon{opacity:.6;cursor:default}.guide-lang-card.guide-lang-soon:hover{transform:none}.guide-lang-icon{font-size:28px;flex-shrink:0;line-height:1}.guide-lang-info{flex:1;min-width:0}.guide-lang-name{font-size:15px;font-weight:800;color:var(--text-0)}.guide-lang-tagline{font-size:11px;color:var(--text-2);margin:2px 0 6px}.guide-lang-pills{display:flex;flex-wrap:wrap;gap:4px}.guide-lang-pill{font-size:9px;font-weight:700;border-radius:999px;padding:1px 7px;color:var(--text-2);background:#ffffff0d;border:1px solid var(--border)}.guide-soon-badge{font-size:9px;font-weight:700;border-radius:999px;padding:2px 8px;color:var(--accent-amber);background:#f59e0b1a;border:1px solid rgba(245,158,11,.25);flex-shrink:0}.guide-solid-overview{display:flex;flex-direction:column;gap:10px}.guide-solid-overview-item{display:flex;align-items:center;gap:14px;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-md);padding:14px 18px}.guide-solid-overview-name{font-size:14px;font-weight:800;color:var(--text-0);margin-bottom:3px}.guide-solid-overview-desc{font-size:12px;color:var(--text-2)}.guide-detail-header{display:flex;align-items:center;gap:16px;padding:14px clamp(16px,4vw,48px);border-bottom:1px solid var(--border);background:#0003;position:sticky;top:64px;z-index:50;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.guide-tabs{display:flex;align-items:center;gap:4px;flex-wrap:wrap;padding:12px clamp(16px,4vw,48px);border-bottom:1px solid var(--border);background:#00000026;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.guide-tab-btn{display:flex;align-items:center;gap:6px;padding:7px 14px;border-radius:10px;font-size:12px;font-weight:700;border:1px solid transparent;cursor:pointer;font-family:inherit;color:var(--text-2);background:transparent;transition:all .18s}.guide-tab-btn:hover{color:var(--text-0);background:#ffffff0a}.guide-tab-btn.active{background:#6366f11f;border-color:#6366f14d;color:#c7d2fe;box-shadow:0 0 10px #6366f11a}.guide-tab-btn.soon{opacity:.6}.guide-tab-content{max-width:900px;margin:0 auto;padding:24px clamp(16px,4vw,48px) 64px}.guide-section{display:flex;flex-direction:column;gap:18px}.guide-section-intro{display:flex;align-items:flex-start;gap:10px;padding:14px 18px;background:#6366f10d;border:1px solid rgba(99,102,241,.15);border-radius:var(--radius-md);font-size:13px;color:var(--text-2);line-height:1.7}.guide-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-md);padding:20px 22px;transition:border-color .2s}.guide-card-title{display:flex;align-items:center;gap:8px;font-size:14px;font-weight:800;color:var(--text-0);margin-bottom:14px}.guide-intro-hero{display:flex;align-items:center;gap:20px;background:linear-gradient(135deg,#6366f114,#8b5cf60d);border:1px solid rgba(99,102,241,.2);border-radius:var(--radius-md);padding:24px 28px;margin-bottom:4px}.guide-intro-icon{font-size:48px;line-height:1;flex-shrink:0}.guide-intro-title{font-size:28px;font-weight:900;color:var(--text-0);margin-bottom:4px}.guide-intro-tagline{font-size:14px;color:var(--text-2);margin-bottom:10px}.guide-intro-meta{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:12px;color:var(--text-3)}.guide-intro-text{font-size:13px;color:var(--text-1);line-height:1.8}.guide-use-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:8px}.guide-use-item{font-size:12px;color:var(--text-1);font-weight:500;padding:8px 12px;background:#10b9810d;border:1px solid rgba(16,185,129,.15);border-radius:10px}.guide-features-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:10px}.guide-feature-item{display:flex;gap:10px;align-items:flex-start;padding:10px 12px;border-radius:10px;background:#ffffff05;border:1px solid var(--border)}.guide-feature-icon{font-size:18px;flex-shrink:0}.guide-feature-title{font-size:12px;font-weight:700;color:var(--text-0);margin-bottom:2px}.guide-feature-desc{font-size:11px;color:var(--text-3);line-height:1.5}.guide-code-block{background:#07090f;border:1px solid rgba(99,102,241,.15);border-radius:var(--radius-sm);overflow:hidden;margin-top:10px;box-shadow:0 4px 20px #0006}.guide-code-topbar{display:flex;align-items:center;justify-content:space-between;padding:8px 14px;background:#0006;border-bottom:1px solid var(--border)}.guide-comparison{display:grid;grid-template-columns:1fr auto 1fr;gap:10px;align-items:start;margin-top:10px}.guide-comparison.vertical{grid-template-columns:1fr;gap:12px}.guide-cmp-label{display:flex;align-items:center;gap:5px;font-size:10px;font-weight:800;letter-spacing:.5px;padding:4px 10px;border-radius:6px;margin-bottom:4px}.guide-cmp-label.bad{background:#f43f5e1a;border:1px solid rgba(244,63,94,.2);color:#fb7185}.guide-cmp-label.good{background:#10b9811a;border:1px solid rgba(16,185,129,.2);color:#34d399}.guide-cmp-arrow{font-size:20px;color:var(--accent-indigo);align-self:center;font-weight:900;flex-shrink:0}.guide-step-num{width:22px;height:22px;border-radius:50%;background:linear-gradient(135deg,var(--accent-indigo),var(--accent-violet));display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:800;color:#fff;flex-shrink:0}.guide-manifesto{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:10px}.guide-manifesto-item{padding:12px 14px;border-radius:12px;background:#6366f10d;border:1px solid rgba(99,102,241,.15);font-size:12px;color:var(--text-1);font-weight:500;line-height:1.6;display:flex;gap:8px}.guide-rule-header{display:flex;align-items:center;gap:10px;margin-bottom:10px}.guide-rule-icon{font-size:20px}.guide-rule-desc{font-size:13px;color:var(--text-2);line-height:1.7;margin-bottom:10px}.guide-solid-quick{display:flex;gap:8px;flex-wrap:wrap}.guide-solid-pill{display:flex;align-items:center;gap:8px;padding:8px 14px;border-radius:12px;border:1px solid var(--border);background:var(--bg-card);cursor:pointer;font-family:inherit;transition:all .18s}.guide-solid-pill.active,.guide-solid-pill:hover{border-color:var(--pill-color, var(--accent-indigo));background:#6366f114;box-shadow:0 0 12px #6366f126}.guide-solid-letter{width:28px;height:28px;border-radius:8px;background:var(--pill-color, var(--accent-indigo));display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:900;color:#fff;flex-shrink:0}.guide-solid-short{font-size:11px;font-weight:700;color:var(--text-2)}.guide-solid-card{overflow:hidden;transition:border-color .2s}.guide-solid-card.open{border-color:var(--pill-color, var(--accent-indigo))}.guide-solid-toggle{width:100%;display:flex;align-items:center;gap:12px;background:none;border:none;cursor:pointer;font-family:inherit;text-align:left;padding:0}.guide-solid-badge{width:36px;height:36px;border-radius:10px;flex-shrink:0;background:var(--pill-color, var(--accent-indigo));display:flex;align-items:center;justify-content:center;font-size:18px;font-weight:900;color:#fff}.guide-solid-name{font-size:14px;font-weight:800;color:var(--text-0)}.guide-solid-short-text{font-size:11px;color:var(--text-3);margin-top:2px}.guide-solid-body{padding-top:14px;border-top:1px solid var(--border);margin-top:14px}.guide-pattern-legend{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:4px}.guide-pattern-cat-badge{font-size:10px;font-weight:700;border-radius:999px;padding:3px 10px;color:var(--badge-color, var(--text-2));background:#ffffff0a;border:1px solid currentColor;opacity:.8}.guide-pattern-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px}.guide-pattern-cat{font-size:11px;font-weight:700}.guide-tips-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:12px}.guide-tip-card{display:flex;gap:12px;align-items:flex-start;padding:14px 16px;border-radius:var(--radius-md);background:var(--bg-card);border:1px solid var(--border);transition:border-color .2s}.guide-tip-card:hover{border-color:#6366f14d}.guide-tip-num{width:26px;height:26px;border-radius:8px;flex-shrink:0;background:linear-gradient(135deg,#6366f133,#8b5cf626);border:1px solid rgba(99,102,241,.3);display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:800;color:#a5b4fc}.guide-tip-text{font-size:13px;color:var(--text-1);line-height:1.6}.guide-coming-soon{text-align:center;padding:60px 20px;display:flex;flex-direction:column;align-items:center;gap:12px}.guide-coming-soon h3{font-size:18px;font-weight:800;color:var(--text-1)}.guide-coming-soon p{font-size:13px;color:var(--text-2)}