:root{--bg:#090909;--panel:#111;--panel2:#171717;--line:#2a2a2a;--text:#f2f2f2;--muted:#909090;--red:#e21b23;--red2:#ff3b43}*{box-sizing:border-box}html,body{margin:0;height:100%;font-family:Arial,Helvetica,sans-serif;background:var(--bg);color:var(--text)}button,.button,input{font:inherit}.auth-wrap{min-height:100%;display:grid;place-items:center;background:radial-gradient(circle at 20% 10%,#2b0b0d,transparent 32%),#080808}.auth-card{width:min(430px,92vw);background:#111;border:1px solid #2e2e2e;border-radius:18px;padding:30px;box-shadow:0 30px 80px #0008}.auth-card h1{margin:10px 0 6px}.auth-card p,.auth-card small{color:var(--muted)}.auth-card input{width:100%;margin:7px 0;padding:13px;border-radius:9px;border:1px solid #333;background:#0a0a0a;color:#fff}.auth-card button{width:100%;margin:9px 0 12px;padding:13px}.error{background:#3b1215;border:1px solid #7b2329;padding:10px;border-radius:8px;margin:10px 0}.brand-dot{display:inline-block;width:11px;height:11px;background:var(--red);border-radius:50%;box-shadow:0 0 18px var(--red)}.app-shell{height:100vh;display:flex;flex-direction:column}.topbar{height:56px;display:flex;align-items:center;justify-content:space-between;padding:0 12px 0 18px;border-bottom:1px solid var(--line);background:#0d0d0d;gap:12px}.logo{display:flex;align-items:center;gap:8px;white-space:nowrap}.muted{color:var(--muted)}.actions{display:flex;gap:6px;align-items:center;overflow:auto}.button,button{display:inline-flex;align-items:center;justify-content:center;gap:5px;white-space:nowrap;background:#1b1b1b;color:#eee;border:1px solid #333;padding:8px 10px;border-radius:7px;text-decoration:none;cursor:pointer}.button:hover,button:hover{border-color:#555;background:#242424}.primary{background:var(--red);border-color:var(--red);color:white}.primary:hover{background:var(--red2)}.danger{color:#ff8d92}.workspace{flex:1;min-height:0;display:grid;grid-template-columns:235px minmax(360px,1fr) minmax(360px,1fr)}.sidebar,.editor-pane,.preview-pane{min-width:0;min-height:0;background:#101010}.sidebar{border-right:1px solid var(--line);display:flex;flex-direction:column}.panel-title,.editor-head,.preview-head{height:44px;display:flex;align-items:center;justify-content:space-between;padding:0 10px;border-bottom:1px solid var(--line);font-size:12px;letter-spacing:.06em}.file-tree{padding:8px;overflow:auto;flex:1;font-size:13px}.tree-item{display:flex;align-items:center;gap:7px;padding:6px 8px;border-radius:6px;cursor:pointer;user-select:none}.tree-item:hover{background:#1b1b1b}.tree-item.active{background:#391014;color:#fff}.tree-children{padding-left:13px}.tree-icon{width:16px;color:#aaa}.sidebar-note,.preview-note{padding:9px 10px;border-top:1px solid var(--line);font-size:11px;color:var(--muted);line-height:1.4}.editor-pane{border-right:1px solid var(--line);display:flex;flex-direction:column}.editor-head{letter-spacing:0}.editor-head strong{font-size:12px}.editor-tools{display:flex;gap:5px}.code-wrap{flex:1;min-height:0;display:grid;grid-template-columns:48px 1fr;background:#0b0b0b}.line-numbers{overflow:hidden;text-align:right;padding:13px 8px 40px 2px;color:#555;border-right:1px solid #202020;font:13px/1.55 Consolas,Monaco,monospace;white-space:pre}.code-wrap textarea{resize:none;width:100%;height:100%;outline:none;border:0;padding:13px 14px 40px;background:transparent;color:#e9e9e9;font:13px/1.55 Consolas,Monaco,monospace;tab-size:2;white-space:pre;overflow:auto}.statusbar{height:28px;padding:0 10px;display:flex;align-items:center;justify-content:space-between;border-top:1px solid var(--line);font-size:11px;color:#888}.preview-pane{display:flex;flex-direction:column}.preview-head{letter-spacing:.04em}.preview-head>div{display:flex;gap:5px}.preview-pane iframe{width:100%;height:100%;flex:1;border:0;background:#fff}#dirtyMark::after{content:''}#dirtyMark.dirty::after{content:' • unsaved';color:#ff7b80;margin-left:6px}@media(max-width:1100px){.workspace{grid-template-columns:210px 1fr}.preview-pane{display:none}}@media(max-width:700px){.topbar{height:auto;min-height:56px;align-items:flex-start;flex-direction:column;padding:10px}.workspace{grid-template-columns:1fr}.sidebar{display:none}.actions{width:100%}}
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