:root{--bg: #0f1115;--panel: #171a21;--panel-2: #1d212b;--border: #272c38;--text: #e6e8ee;--muted: #9aa3b2;--accent: #6ea8fe;--accent-2: #3b82f6;--user: #2a3850;--hl: #ffd76633;--hl-border: #ffd766;--radius: 12px}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;font-size:15px;line-height:1.55}.app{display:flex;flex-direction:column;height:100vh}.topbar{display:flex;align-items:center;justify-content:space-between;padding:0 20px;height:56px;border-bottom:1px solid var(--border);background:var(--panel)}.brand{display:flex;align-items:center;gap:8px;font-size:15px}.brand .dot{width:9px;height:9px;border-radius:50%;background:#34d399;box-shadow:0 0 8px #34d399aa}.tabs{display:flex;gap:4px}.tabs button{background:transparent;border:none;color:var(--muted);padding:8px 14px;border-radius:8px;cursor:pointer;font-size:14px}.tabs button:hover,.tabs 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