:root{--bg: #0f172a;--bg-2: #1e293b;--panel: #ffffff;--panel-2: #f8fafc;--border: #e2e8f0;--text: #0f172a;--text-muted: #64748b;--primary: #2563eb;--primary-hover: #1d4ed8;--danger: #dc2626;--danger-bg: #fef2f2;--row-hover: #f1f5f9;--accent: #38bdf8;--ok: #047857;--sidebar-w: 240px}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;color:var(--text);background:var(--panel-2);font-size:14px;line-height:1.5}a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}.layout{display:grid;grid-template-columns:var(--sidebar-w) 1fr;min-height:100vh}.sidebar{background:var(--bg);color:#e2e8f0;display:flex;flex-direction:column;padding:20px 0}.brand{padding:0 20px 20px;display:flex;align-items:center;gap:10px;border-bottom:1px solid 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