:root{--bg:#0d0f14;--surface:#13161d;--surface2:#1a1e28;--surface3:#1f2433;--border:#ffffff0f;--border2:#ffffff18;--text:#e8eaf0;--muted:#8890a4;--faint:#4a5068;--accent:#7c6af7;--accent2:#a594ff;--accent-glow:#7c6af720;--green:#34d399;--amber:#fbbf24;--coral:#f87171;--pink:#f472b6;--mono:'DM Mono';--sans:'Helvetica Neue',sans-serif;--display:'Helvetica Neue',sans-serif}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{background:var(--bg);color:var(--text);font-family:var(--sans);font-size:16px;line-height:1.6;min-height:100vh;overflow-x:hidden}body::before{content:'';position:fixed;inset:0;background-image:linear-gradient(rgba(124,106,247,.03) 1px,transparent 1px),linear-gradient(90deg,rgba(124,106,247,.03) 1px,transparent 1px);background-size:40px 40px;pointer-events:none;z-index:0}header{position:sticky;top:0;z-index:100;background:rgba(13,15,20,.9);backdrop-filter:blur(16px);border-bottom:1px solid var(--border);padding:0 2rem;display:flex;align-items:center;gap:1.5rem;height:60px}.logo{flex-shrink:0;white-space:nowrap}.logo a{display:flex;align-items:center;gap:.6rem;text-decoration:none;color:inherit}.logo-mark{width:30px;height:30px;background:linear-gradient(135deg,var(--accent) 0,var(--accent2) 100%);border-radius:8px;display:flex;align-items:center;justify-content:center;font-family:var(--mono);font-size:10px;font-weight:600;color:#fff;flex-shrink:0;letter-spacing:-.5px;box-shadow:0 0 18px var(--accent-glow),inset 0 1px 0 rgba(255,255,255,.18);transition:box-shadow .2s,transform .2s}.logo a:hover .logo-mark{box-shadow:0 0 28px #7c6af750;transform:rotate(-6deg) scale(1.08)}.logo-name{font-family:var(--display);font-weight:800;font-size:1.12rem;letter-spacing:-.04em;line-height:1;display:flex}.logo-c{color:var(--text)}.logo-p{background:linear-gradient(135deg,var(--accent) 0,var(--accent2) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.header-nav{display:flex;gap:.25rem;margin-left:.5rem}.nav-link{font-family:var(--mono);font-size:11px;padding:4px 10px;border-radius:6px;border:1px solid transparent;color:var(--muted);text-decoration:none;transition:.15s}.nav-link:hover{color:var(--text);border-color:var(--border2);background:var(--surface2)}.nav-link.active{color:var(--accent2);border-color:#7c6af740;background:var(--accent-glow)}.header-search{flex:1;max-width:420px;position:relative;margin-left:auto}.header-search input{width:100%;background:var(--surface2);border:1px solid var(--border2);border-radius:8px;padding:7px 12px 7px 34px;font-family:var(--sans);font-size:13px;color:var(--text);outline:0;transition:border-color .2s}.header-search input:focus{border-color:#7c6af760}.header-search input::placeholder{color:var(--faint)}.search-ico{position:absolute;left:11px;top:50%;transform:translateY(-50%);color:var(--faint);pointer-events:none;font-size:13px}.header-meta{display:flex;align-items:center;gap:1rem;white-space:nowrap}.header-count{font-family:var(--mono);font-size:11px;color:var(--faint)}.cache-pill{font-family:var(--mono);font-size:10px;padding:3px 8px;border-radius:20px;border:1px solid #34d39930;background:#34d39910;color:var(--green);display:none;align-items:center;gap:5px}.cache-pill.show{display:flex}.cache-dot{width:5px;height:5px;border-radius:50%;background:var(--green);animation:2s infinite blink}@keyframes blink{0%,100%{opacity:1}50%{opacity:.3}}.feedback-link{display:inline-flex;align-items:center;gap:5px;font-family:var(--mono);font-size:11px;color:var(--muted);text-decoration:none;padding:5px 14px;border:1px solid var(--border2);border-radius:20px;background:var(--surface2);white-space:nowrap;transition:color .2s,border-color .2s,box-shadow .2s,transform .15s;position:relative;overflow:hidden}.feedback-link::before{content:'';position:absolute;inset:0;background:linear-gradient(135deg,var(--accent-glow) 0,transparent 70%);opacity:0;transition:opacity .2s}.feedback-link:hover{color:var(--accent2);border-color:#7c6af750;box-shadow:0 0 14px var(--accent-glow),0 2px 8px rgba(124,106,247,.15);transform:translateY(-1px)}.feedback-link:hover::before{opacity:1}.about-btn{display:inline-flex;align-items:center;gap:6px;font-family:var(--sans);font-size:12px;font-weight:500;color:var(--muted);text-decoration:none;padding:5px 14px;border:1px solid var(--border2);border-radius:20px;background:var(--surface2);white-space:nowrap;cursor:pointer;transition:color .2s,border-color .2s,background .2s,box-shadow .2s,transform .15s}.about-btn:hover{color:var(--accent2);border-color:#7c6af750;background:var(--accent-glow);box-shadow:0 0 14px var(--accent-glow),0 2px 8px rgba(124,106,247,.15);transform:translateY(-1px)}.theme-toggle{background:var(--surface2);border:1px solid var(--border2);color:var(--muted);width:32px;height:32px;border-radius:50%;cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:15px;transition:.2s}.theme-toggle:hover{background:var(--accent-glow);border-color:#7c6af750;color:var(--accent2);box-shadow:0 0 14px var(--accent-glow);transform:rotate(15deg)}.app{display:flex;min-height:calc(100vh - 60px);position:relative;z-index:1}.sidebar{width:230px;flex-shrink:0;border-right:1px solid var(--border);padding:1.5rem 0;position:sticky;top:60px;height:calc(100vh - 60px);overflow-y:auto}.sidebar::-webkit-scrollbar{width:4px}.sidebar::-webkit-scrollbar-thumb{background:var(--border2);border-radius:4px}.sb-section{margin-bottom:1.75rem;padding:0 1rem}.sb-label{font-family:var(--mono);font-size:12px;letter-spacing:.1em;color:var(--faint);text-transform:uppercase;margin-bottom:.6rem;padding:0 .25rem}.cat-btn,.diff-btn{display:flex;align-items:center;gap:.5rem;padding:5px 8px;border-radius:6px;border:none;background:0 0;color:var(--muted);font-family:var(--sans);font-size:13px;cursor:pointer;text-align:left;transition:.15s;width:100%}.cat-btn:hover,.diff-btn:hover{background:var(--surface2);color:var(--text)}.cat-btn.active,.diff-btn.active{background:var(--surface3);color:var(--text)}.diff-dot{width:7px;height:7px;border-radius:50%;flex-shrink:0}main{flex:1;padding:2rem;min-width:0}.hero{margin-bottom:2rem;padding:2.5rem;background:var(--surface);border:1px solid var(--border2);border-radius:16px;position:relative;overflow:hidden}.hero::before{content:'';position:absolute;top:-60px;right:-60px;width:300px;height:300px;background:radial-gradient(circle,#7c6af718 0,transparent 70%);pointer-events:none}.hero::after{content:'';position:absolute;top:0;left:0;right:0;height:2px;background:linear-gradient(90deg,var(--accent),var(--accent2),transparent)}.hero-eye{font-family:var(--mono);font-size:11px;color:var(--accent2);letter-spacing:.08em;text-transform:uppercase;margin-bottom:.75rem;display:flex;align-items:center;gap:.5rem}.hero-eye::before{content:'◆';font-size:12px}.hero-title{font-family:var(--display);font-size:2.1rem;font-weight:800;color:var(--text);line-height:1.1;letter-spacing:-.03em;margin-bottom:.75rem}.hero-title em{color:var(--accent2);font-style:normal}.hero-desc{font-size:14px;color:var(--muted);max-width:580px;line-height:1.7}.hero-stats{display:flex;gap:2rem;margin-top:1.5rem;flex-wrap:wrap}.stat-num{font-family:var(--display);font-size:1.5rem;font-weight:700;color:var(--text)}.stat-lbl{font-size:11px;color:var(--faint);font-family:var(--mono)}.stats-bar{display:flex;gap:.75rem;margin-bottom:1.25rem;flex-wrap:wrap}.spill{font-family:var(--mono);font-size:11px;padding:5px 11px;border-radius:20px;border:1px solid var(--border);background:var(--surface);color:var(--faint);display:flex;align-items:center;gap:6px}.spill .v{color:var(--text);font-weight:500}.spill.g{border-color:#34d39930;background:#34d39908;color:var(--green)}.spill.g .v{color:var(--green)}.spill.p{border-color:#7c6af730;background:#7c6af708}.spill.p .v{color:var(--accent2)}.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(270px,1fr));gap:10px}.fcard{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:1rem 1.1rem;cursor:pointer;transition:border-color .2s,background .2s,transform .15s;position:relative}.fcard:hover{border-color:#7c6af750;background:var(--surface2);transform:translateY(-1px)}.fcard::before{content:'';position:absolute;left:0;top:12px;bottom:12px;width:2px;border-radius:0 2px 2px 0;background:0 0;transition:background .2s}.fcard:hover::before{background:var(--accent)}.fcard-badges{display:flex;gap:5px;flex-wrap:wrap;margin-bottom:.6rem;align-items:center}.badge{font-size:10px;font-family:var(--mono);padding:2px 7px;border-radius:4px;font-weight:500}.d-easy{background:#34d39918;color:var(--green);border:1px solid #34d39930}.d-medium{background:#fbbf2418;color:var(--amber);border:1px solid #fbbf2430}.d-advanced{background:#f8717118;color:var(--coral);border:1px solid #f8717130}.d-expert{background:#f472b618;color:var(--pink);border:1px solid #f472b630}.v-badge{background:#7c6af715;color:var(--accent2);border:1px solid #7c6af730}.c-badge{background:var(--surface3);color:var(--faint);border:1px solid var(--border)}.cached-tag{font-size:10px;color:var(--green);margin-left:auto;font-family:var(--mono);padding:2px 6px;border-radius:4px;background:#34d39912;border:1px solid #34d39925}.fcard-title{font-family:var(--display);font-size:14px;font-weight:600;color:var(--text);margin-bottom:.3rem;line-height:1.3}.fcard-hint{font-size:12px;color:var(--faint);line-height:1.5}.fcard-arr{position:absolute;top:.9rem;right:.9rem;color:var(--faint);font-size:12px;opacity:0;transition:opacity .2s}.fcard:hover .fcard-arr{opacity:1}.no-results{text-align:center;padding:4rem 2rem;color:var(--faint);font-family:var(--mono);font-size:13px}.backdrop{display:none;position:fixed;inset:0;background:rgba(0,0,0,.6);backdrop-filter:blur(4px);z-index:200}.backdrop.open{display:block}.panel{position:fixed;top:0;right:-780px;width:min(780px,100vw);height:100vh;background:var(--surface);border-left:1px solid var(--border2);z-index:201;overflow-y:auto;transition:right .3s cubic-bezier(.4, 0, .2, 1);display:flex;flex-direction:column}.panel.open{right:0}.panels-wrap:has(.panel.open) .panel.open:has(~ .editor-panel.open){right:780px}.panel.maximized{right:0;width:100vw;z-index:250;border-left:none}.panel::-webkit-scrollbar{width:5px}.panel::-webkit-scrollbar-thumb{background:var(--border2);border-radius:4px}.panels-wrap{display:flex}.editor-panel{position:fixed;top:0;right:-780px;width:min(780px,100vw);height:100vh;background:var(--surface);border-left:1px solid var(--border2);z-index:202;overflow:hidden;transition:right .3s cubic-bezier(.4, 0, .2, 1)}.editor-panel.open{right:0}.editor-panel.maximized{width:100%;border-left:none}.editor-panel iframe{width:100%;height:100%;border:none}.panel-head{padding:1.5rem 1.75rem;border-bottom:1px solid var(--border);position:sticky;top:0;background:var(--surface);z-index:10;display:flex;justify-content:space-between;align-items:flex-start;gap:1rem}.panel-head-btns{display:flex;gap:8px;align-items:center;flex-shrink:0}.panel-badges{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:.5rem;align-items:center}.panel-title{font-family:var(--display);font-size:1.4rem;font-weight:700;color:var(--text);letter-spacing:-.02em;line-height:1.2}.src-tag{font-family:var(--mono);font-size:10px;padding:3px 8px;border-radius:20px}.src-cache{background:#34d39912;border:1px solid #34d39930;color:var(--green)}.src-groq{background:#7c6af712;border:1px solid #7c6af730;color:var(--accent2)}.src-mem{background:#fbbf2412;border:1px solid #fbbf2430;color:var(--amber)}.close-btn,.max-btn,.try-btn{background:var(--surface2);border:1px solid var(--border2);color:var(--muted);width:32px;height:32px;border-radius:8px;cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:14px;flex-shrink:0;transition:.15s;font-family:var(--sans);font-weight:500}.try-btn{width:auto;padding:6px 12px;font-size:12px;gap:.4rem}.close-btn:hover,.max-btn:hover,.try-btn:hover{background:var(--surface3);color:var(--text);border-color:var(--accent)}.panel-body{padding:1.75rem;flex:1}.loading{display:flex;flex-direction:column;gap:1.25rem;padding:2rem 0 2.5rem}.loading-hint{font-size:13px;color:var(--muted);line-height:1.7;padding:12px 16px;background:var(--surface2);border-left:3px solid var(--accent);border-radius:0 8px 8px 0}.sk-blocks{display:flex;flex-direction:column;gap:10px}.sk-line{height:13px;border-radius:6px;background:linear-gradient(90deg,var(--surface2) 25%,var(--surface3) 50%,var(--surface2) 75%);background-size:200% 100%;animation:1.4s infinite shimmer}.sk-w100{width:100%}.sk-w90{width:90%}.sk-w80{width:80%}.sk-w60{width:60%}@keyframes shimmer{0%{background-position:200% 0}100%{background-position:-200% 0}}.loading-label{font-family:var(--mono);font-size:11px;color:var(--faint)}.spinner{width:16px;height:16px;border:2px solid var(--border2);border-top-color:var(--accent);border-radius:50%;animation:.7s linear infinite spin;flex-shrink:0}@keyframes spin{to{transform:rotate(360deg)}}.loading-text{font-family:var(--mono);font-size:13px;color:var(--faint)}.loading-sub{font-size:11px;color:var(--faint);margin-top:3px}.ai-content{font-size:14px;line-height:1.8;color:var(--muted)}.ai-content h3{font-family:var(--mono);font-size:14px;letter-spacing:.1em;text-transform:uppercase;color:var(--accent2);margin:1.75rem 0 .6rem;padding-bottom:.4rem;border-bottom:1px solid var(--border)}.ai-content h3:first-child{margin-top:0}.ai-content p{margin-bottom:.75rem}.ai-content strong{color:var(--text);font-weight:500}.ai-content ul{margin:.25rem 0 .75rem 1.25rem}.ai-content li{margin-bottom:.4rem}.ai-content pre{background:var(--bg);border:1px solid var(--border2);border-radius:10px;padding:1.25rem;font-family:var(--mono);font-size:12.5px;color:#c9d1e0;line-height:1.7;overflow-x:auto;margin:.6rem 0 1.25rem;white-space:pre}.ask-section{margin-top:2rem;padding-top:1.25rem;border-top:1px solid var(--border)}.ask-lbl{font-family:var(--mono);font-size:10px;letter-spacing:.1em;text-transform:uppercase;color:var(--faint);margin-bottom:.75rem}.ask-chips{display:flex;flex-direction:column;gap:6px}.ask-chip{display:flex;align-items:center;gap:.5rem;padding:8px 12px;border-radius:8px;background:var(--surface2);border:1px solid var(--border);color:var(--muted);font-size:12.5px;font-family:var(--sans);cursor:pointer;text-align:left;transition:.15s}.ask-chip:hover{border-color:#7c6af750;color:var(--text);background:var(--surface3)}.ask-chip-ico{color:var(--accent2);font-size:13px;flex-shrink:0}.err{background:#f8717110;border:1px solid #f8717130;border-radius:8px;padding:1.25rem;color:#f87171;font-size:13px;line-height:1.7}.err code{font-family:var(--mono);font-size:11px;background:#f8717115;padding:1px 5px;border-radius:3px}@media(max-width:900px){.sidebar{display:none}.hero-title{font-size:1.6rem}}@media(max-width:600px){main{padding:1rem}header{padding:0 1rem}.hero{padding:1.5rem}}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:var(--border2);border-radius:4px}