:root{--bg: #1a1a1a;--panel: #222;--panel2: #262626;--accent: #f46b3d;--accent-h: #d85a2f;--text: #eee;--text-d: #9a9a9a;--line: #333;--radius: 10px}*{box-sizing:border-box;margin:0;padding:0;font-family:Segoe UI,system-ui,sans-serif}body{height:100vh;background:var(--bg);color:var(--text);overflow:hidden;font-size:15px}button{font-family:inherit}a{color:var(--accent)}.app{height:100vh;display:flex;flex-direction:column}header.top{height:56px;background:#111;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 16px;flex-shrink:0;gap:16px}header.top .brand{display:flex;align-items:center;gap:12px}header.top .brand .logo{width:26px;height:26px;border-radius:6px;background:var(--accent);display:flex;align-items:center;justify-content:center;font-size:15px}header.top .brand h1{font-size:15px;color:var(--accent);font-weight:600}header.top nav{display:flex;gap:6px}header.top nav button{background:none;border:1px solid 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var(--line);background:var(--panel);display:flex;flex-direction:column}.viewer-dock .vhead{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:10px 12px;border-bottom:1px solid var(--line);font-size:12px;color:var(--text-d)}.viewer-dock .vtitle{color:var(--text);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.viewer-dock .vpage{color:var(--text-d)}.viewer-dock .vnav{display:flex;gap:4px;flex-shrink:0}.viewer-dock .vnav button{background:var(--panel2);border:1px solid var(--line);color:var(--text);width:26px;height:26px;border-radius:6px;cursor:pointer;font-size:14px}.viewer-dock .vnav button:hover{border-color:var(--accent)}.viewer-dock .vbody{flex:1;overflow:auto;padding:12px;display:flex;flex-direction:column;align-items:center;gap:10px}.viewer-dock 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var(--line);padding-left:8px;margin-top:2px}.u-raw{margin:0;padding:10px;background:#0d0d0d;color:#9ccfa0;font-family:ui-monospace,monospace;font-size:11px;line-height:1.45;white-space:pre;overflow-x:auto;max-height:420px;overflow-y:auto}.u-toggle{display:block;width:100%;background:var(--panel2);color:var(--text-d);border:none;border-top:1px solid var(--line);padding:5px;cursor:pointer;font-size:11px}.u-toggle:hover{color:var(--accent)}.u-multi{color:#e0a03c}