:root{--bg:#080b12;--panel:#101621;--panel2:#151d2a;--text:#edf3ff;--muted:#9ba9bf;--line:#263246;--accent:#77a9ff;--green:#76f0c0;--red:#ff8c9b;--shadow:0 24px 80px rgba(0,0,0,.32);--max:1240px}
[data-theme=light]{--bg:#f4f7fb;--panel:#fff;--panel2:#edf3fb;--text:#101827;--muted:#5d6b80;--line:#dbe3ef;--accent:#245fc7;--green:#087b59;--red:#b1263a;--shadow:0 24px 80px rgba(35,65,110,.12)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:radial-gradient(circle at 85% 0%,rgba(80,130,255,.1),transparent 30%),var(--bg);color:var(--text);font-family:Inter,system-ui,sans-serif;line-height:1.55}button,input,textarea,select{font:inherit}a{color:inherit;text-decoration:none}.wrap{width:min(var(--max),calc(100% - 40px));margin:auto}
header{position:sticky;top:0;z-index:30;backdrop-filter:blur(18px);background:color-mix(in srgb,var(--bg) 84%,transparent);border-bottom:1px solid var(--line)}.nav{min-height:68px;display:flex;align-items:center;justify-content:space-between}.brand{font-family:'Razed',sans-serif;font-weight:400;font-size:21px;letter-spacing:.06em}.brand span,.blue{color:var(--accent)}.navright{display:flex;gap:9px;align-items:center}.navmeta{font:11px "JetBrains Mono";color:var(--muted);letter-spacing:.08em}.btn,.iconbtn,.copybtn{border:1px solid var(--line);background:var(--panel);color:var(--text);border-radius:10px;padding:9px 12px;cursor:pointer}.iconbtn{width:40px;height:40px;padding:0}
.hero{position:relative;isolation:isolate;overflow:hidden;padding:64px 0 46px;border-bottom:1px solid var(--line);background:radial-gradient(circle at 78% 34%,rgba(119,169,255,.15),transparent 24%),linear-gradient(180deg,rgba(8,11,18,.05),rgba(8,11,18,.74)),var(--bg)}.hero::before{content:"";position:absolute;z-index:-2;inset:-35% -12% -45%;background-image:linear-gradient(rgba(119,169,255,.10) 1px,transparent 1px),linear-gradient(90deg,rgba(119,169,255,.10) 1px,transparent 1px);background-size:52px 52px;transform:perspective(520px) rotateX(62deg) translateY(2%);transform-origin:center 45%;mask-image:linear-gradient(to bottom,transparent 4%,#000 34%,#000 72%,transparent 96%);opacity:.72;animation:grid-drift 18s linear infinite}.hero::after{content:"";position:absolute;z-index:-1;inset:0;background:radial-gradient(circle at 82% 24%,rgba(118,240,192,.9) 0 2px,transparent 3px),radial-gradient(circle at 91% 53%,rgba(119,169,255,.95) 0 2px,transparent 3px),linear-gradient(90deg,transparent 68%,rgba(119,169,255,.18) 68% 68.12%,transparent 68.12%);opacity:.7}@keyframes grid-drift{to{background-position:0 52px,52px 0}}@media(prefers-reduced-motion:reduce){.hero::before{animation:none}}.hero-grid{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(320px,.65fr);gap:44px;align-items:center}.eyebrow{color:var(--green);font:600 11px "JetBrains Mono";letter-spacing:.1em;text-transform:uppercase}.hero h1{font:700 clamp(46px,6vw,76px)/1.04 "Space Grotesk";letter-spacing:-.05em;margin:14px 0 12px}.lead{max-width:720px;color:var(--muted)}.pills{display:flex;gap:8px;flex-wrap:wrap;margin-top:22px}.pill{border:1px solid rgba(119,169,255,.24);background:rgba(16,22,33,.72);border-radius:999px;padding:7px 11px;font:11px "JetBrains Mono";color:var(--muted)}.hero-terminal{border:1px solid var(--line);border-radius:16px;overflow:hidden;background:rgba(7,11,18,.82);box-shadow:var(--shadow);transform:rotate(1deg)}.termbar{height:39px;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:7px;padding:0 12px}.termbar i{width:8px;height:8px;border-radius:50%;background:var(--line)}.termbar span{margin-left:7px;font:10px "JetBrains Mono";color:var(--muted)}.hero-terminal pre{margin:0;padding:20px;font:12px/1.8 "JetBrains Mono";min-height:180px}.green{color:var(--green)}.muted{color:var(--muted)}.cursor{animation:blink 1s steps(1) infinite}@keyframes blink{50%{opacity:0}}
.app-shell{display:grid;grid-template-columns:250px minmax(0,1fr);gap:22px;padding-top:44px;padding-bottom:70px}.sidebar{min-width:0}.sidebar-sticky{position:sticky;top:92px}.search{width:100%;background:var(--panel);border:1px solid var(--line);color:var(--text);padding:12px 13px;border-radius:11px;outline:none;margin-bottom:12px}.search:focus{border-color:var(--accent)}.nav-group{margin:16px 0 6px;font:10px "JetBrains Mono";color:var(--muted);letter-spacing:.1em;text-transform:uppercase}.tool-link{width:100%;display:flex;align-items:center;gap:9px;border:0;background:transparent;color:var(--muted);padding:9px 10px;border-radius:9px;text-align:left;cursor:pointer;font-size:13px}.tool-link:hover,.tool-link.active{background:var(--panel);color:var(--text)}.tool-link.active{box-shadow:inset 2px 0 var(--accent)}.tool-link .dot{width:7px;height:7px;border:1px solid var(--accent);border-radius:2px;flex:0 0 auto}.workspace{min-width:0;border:1px solid var(--line);background:linear-gradient(145deg,var(--panel),var(--panel2));border-radius:18px;padding:22px;box-shadow:0 12px 35px rgba(0,0,0,.08)}.workspace-head{display:flex;justify-content:space-between;gap:20px;align-items:flex-start}.workspace h2{font:600 27px "Space Grotesk";letter-spacing:-.03em;margin:1px 0 3px}.workspace-head p{margin:0;color:var(--muted);font-size:13px}.sub{font:10px "JetBrains Mono";color:var(--accent);letter-spacing:.09em;text-transform:uppercase}.controls{display:flex;gap:10px;flex-wrap:wrap;margin:18px 0 12px}.control{display:flex;align-items:center;gap:7px}.control label{font:10px "JetBrains Mono";color:var(--muted);text-transform:uppercase}.control select,.control input{border:1px solid var(--line);background:var(--bg);color:var(--text);border-radius:9px;padding:8px 10px;outline:none}.editor-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.editor-panel{min-width:0}.editor-label{display:flex;justify-content:space-between;font:10px "JetBrains Mono";color:var(--muted);letter-spacing:.08em;margin:0 0 6px}.editor-panel textarea{width:100%;min-height:410px;resize:vertical;border:1px solid var(--line);background:var(--bg);color:var(--text);border-radius:12px;padding:14px;outline:none;font:12px/1.65 "JetBrains Mono";tab-size:2}.editor-panel textarea:focus{border-color:var(--accent)}.actionbar{display:flex;align-items:center;gap:9px;flex-wrap:wrap;margin-top:12px}.action{background:var(--accent);border:0;color:#07101e;font-weight:800;border-radius:10px;padding:10px 14px;cursor:pointer}.ghost{background:transparent;border:1px solid var(--line);color:var(--text)}.status{margin-left:auto;font:11px "JetBrains Mono";color:var(--muted)}.status.ok{color:var(--green)}.status.err{color:var(--red)}.helpbox{margin-top:18px;border:1px solid rgba(119,169,255,.18);background:rgba(119,169,255,.05);border-radius:12px;padding:13px 14px;color:var(--muted);font-size:13px}.helpbox b{color:var(--text)}.rich-output{min-height:410px;border:1px solid var(--line);background:var(--bg);border-radius:12px;padding:16px;overflow:auto}.rich-output pre{white-space:pre-wrap}.hidden{display:none!important}.match{background:rgba(118,240,192,.17);outline:1px solid rgba(118,240,192,.4);border-radius:3px}.match-list{font:12px/1.7 "JetBrains Mono"}.match-list b{color:var(--green)}.md-preview{font-size:14px}.md-preview pre{padding:12px;border-radius:8px;background:var(--panel);overflow:auto}.md-preview code{font-family:"JetBrains Mono"}.diff-add{color:var(--green)}.diff-del{color:var(--red)}.diff-same{color:var(--muted)}
.footer{border-top:1px solid var(--line);padding:24px 0 38px;color:var(--muted);font:11px "JetBrains Mono"}.footerin{display:flex;justify-content:space-between}.copybtn{white-space:nowrap}
[data-theme=light] .hero{background:radial-gradient(circle at 78% 34%,rgba(36,95,199,.10),transparent 24%),linear-gradient(180deg,rgba(244,247,251,.15),rgba(244,247,251,.76)),var(--bg)}[data-theme=light] .hero::before,[data-theme=light] .hero::after{opacity:.4}[data-theme=light] .hero-terminal{background:rgba(255,255,255,.86)}
@media(max-width:900px){.hero-grid{grid-template-columns:1fr}.hero-terminal{display:none}.app-shell{grid-template-columns:1fr}.sidebar-sticky{position:static}.sidebar nav{display:flex;gap:7px;overflow:auto;padding-bottom:8px}.nav-group{display:none}.tool-link{white-space:nowrap;width:auto;border:1px solid var(--line);background:var(--panel)}.editor-grid{grid-template-columns:1fr}.navmeta{display:none}}
@media(max-width:560px){.wrap{width:calc(100% - 28px)}.hero{padding:48px 0 36px}.hero h1{font-size:43px}.btn{display:none}.workspace{padding:16px}.workspace-head{align-items:flex-start}.copybtn{font-size:12px;padding:8px 9px}.editor-panel textarea,.rich-output{min-height:300px}.status{width:100%;margin-left:0}.footerin{gap:12px;flex-direction:column}}

.regex-tabs{width:100%;display:flex;gap:6px;padding:4px;border:1px solid var(--line);background:var(--bg);border-radius:11px}.regex-tab{border:0;background:transparent;color:var(--muted);padding:8px 14px;border-radius:8px;cursor:pointer;font-weight:700}.regex-tab.active{background:var(--panel2);color:var(--text);box-shadow:inset 0 0 0 1px var(--line)}.regex-mode-panel{width:100%}.regex-builder-grid,.regex-advanced-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-top:10px}.checkline{display:flex;align-items:center;gap:9px;border:1px solid var(--line);background:var(--bg);border-radius:9px;padding:9px 11px;color:var(--muted);font-size:12px}.checkline input{accent-color:var(--accent)}.regex-generated{margin-top:10px;border:1px solid var(--line);background:var(--bg);border-radius:9px;padding:10px 12px;display:flex;gap:10px;align-items:center;flex-wrap:wrap}.regex-generated span{font:10px "JetBrains Mono";color:var(--muted);text-transform:uppercase}.regex-generated code,.regex-summary code,.regex-match-row code{font:12px "JetBrains Mono";color:var(--green)}.regex-pattern-control{grid-column:1/-1}.regex-pattern-control input,.regex-replace-control input{min-width:260px}.regex-flags-help{margin-top:8px;color:var(--muted);font-size:12px}.regex-summary{display:flex;justify-content:space-between;gap:12px;align-items:center;margin-bottom:12px;padding-bottom:10px;border-bottom:1px solid var(--line)}.regex-summary span{font:11px "JetBrains Mono";color:var(--muted)}.regex-match-row{display:grid;grid-template-columns:90px minmax(0,1fr);gap:6px 10px;padding:8px 0;border-bottom:1px solid color-mix(in srgb,var(--line) 65%,transparent)}.regex-match-row small{grid-column:2;color:var(--muted);overflow-wrap:anywhere}.regex-replacement{margin-top:16px;border-top:1px solid var(--line);padding-top:14px}.regex-replacement b{color:var(--green)}
@media(max-width:700px){.regex-builder-grid,.regex-advanced-grid{grid-template-columns:1fr}.regex-pattern-control{grid-column:auto}.regex-match-row{grid-template-columns:1fr}.regex-match-row small{grid-column:auto}}

.regex-tabs{width:100%;display:flex;gap:6px;padding:4px;border:1px solid var(--line);background:var(--bg);border-radius:11px}.regex-tab{border:0;background:transparent;color:var(--muted);padding:8px 14px;border-radius:8px;cursor:pointer;font-weight:700}.regex-tab.active{background:var(--panel2);color:var(--text);box-shadow:inset 0 0 0 1px var(--line)}.regex-mode-panel{width:100%}.regex-builder-grid,.regex-advanced-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-top:10px}.checkline{display:flex;align-items:center;gap:9px;border:1px solid var(--line);background:var(--bg);border-radius:9px;padding:9px 11px;color:var(--muted);font-size:12px}.checkline input{accent-color:var(--accent)}.regex-generated{margin-top:10px;border:1px solid var(--line);background:var(--bg);border-radius:9px;padding:10px 12px;display:flex;gap:10px;align-items:center;flex-wrap:wrap}.regex-generated span{font:10px "JetBrains Mono";color:var(--muted);text-transform:uppercase}.regex-generated code,.regex-summary code,.regex-match-row code{font:12px "JetBrains Mono";color:var(--green)}.regex-pattern-control{grid-column:1/-1}.regex-pattern-control input,.regex-replace-control input{min-width:260px}.regex-flags-help{margin-top:8px;color:var(--muted);font-size:12px}.regex-summary{display:flex;justify-content:space-between;gap:12px;align-items:center;margin-bottom:12px;padding-bottom:10px;border-bottom:1px solid var(--line)}.regex-summary span{font:11px "JetBrains Mono";color:var(--muted)}.regex-match-row{display:grid;grid-template-columns:90px minmax(0,1fr);gap:6px 10px;padding:8px 0;border-bottom:1px solid color-mix(in srgb,var(--line) 65%,transparent)}.regex-match-row small{grid-column:2;color:var(--muted);overflow-wrap:anywhere}.regex-replacement{margin-top:16px;border-top:1px solid var(--line);padding-top:14px}.regex-replacement b{color:var(--green)}
@media(max-width:700px){.regex-builder-grid,.regex-advanced-grid{grid-template-columns:1fr}.regex-pattern-control{grid-column:auto}.regex-match-row{grid-template-columns:1fr}.regex-match-row small{grid-column:auto}}