:root{--bg: #f4f5f7;--surface: #ffffff;--border: #e3e6ea;--text: #1f2733;--muted: #6b7684;--primary: #2563eb;--primary-dark: #1d4ed8;--green: #16a34a;--amber: #d97706;--red: #dc2626;--sidebar: #111827;--sidebar-text: #cbd5e1;--radius: 8px}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{font-family:-apple-system,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;background:var(--bg);color:var(--text);font-size:14px}a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}.layout{display:flex;min-height:100vh}.sidebar{width:230px;background:var(--sidebar);color:var(--sidebar-text);display:flex;flex-direction:column;flex-shrink:0;position:sticky;top:0;height:100vh}.sidebar .brand{font-size:20px;font-weight:700;color:#fff;padding:18px 20px;letter-spacing:.5px}.sidebar nav{display:flex;flex-direction:column;padding:8px;gap:2px;overflow-y:auto}.sidebar nav a{color:var(--sidebar-text);padding:9px 14px;border-radius:6px;font-weight:500}.sidebar nav 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var(--border);border-radius:var(--radius);padding:18px}.grid{display:grid;gap:16px}.cols-4{grid-template-columns:repeat(4,1fr)}.cols-3{grid-template-columns:repeat(3,1fr)}.cols-2{grid-template-columns:repeat(2,1fr)}@media(max-width:1100px){.cols-4{grid-template-columns:repeat(2,1fr)}}@media(max-width:700px){.cols-4,.cols-3,.cols-2{grid-template-columns:1fr}}.stat{display:flex;flex-direction:column;gap:4px}.stat .value{font-size:26px;font-weight:700}.stat .label{color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:.3px}table{width:100%;border-collapse:collapse;background:var(--surface)}.table-wrap{overflow-x:auto;border:1px solid var(--border);border-radius:var(--radius)}th,td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--border);white-space:nowrap}th{background:#f8f9fb;font-size:12px;text-transform:uppercase;color:var(--muted);letter-spacing:.3px}tr:hover td{background:#fafbfc}.btn{display:inline-flex;align-items:center;gap:6px;border:1px solid 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