:root{--bg: #0f172a;--bg2: #1e293b;--panel: #ffffff;--line: #e2e8f0;--muted: #64748b;--text: #0f172a;--brand: #2563eb;--brand-d: #1d4ed8;--green: #16a34a;--red: #dc2626;--amber: #d97706;--radius: 12px;--shadow: 0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.04)}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{font-family:Segoe UI,system-ui,-apple-system,Roboto,Arial,sans-serif;color:var(--text);background:#f1f5f9;font-size:14px}.login-wrap{min-height:100%;display:grid;place-items:center;background:linear-gradient(135deg,#0f172a,#1e3a8a)}.login-card{background:#fff;padding:36px;border-radius:16px;width:360px;box-shadow:0 20px 40px #00000040}.login-card h1{margin:0 0 4px;font-size:22px}.login-card p.sub{margin:0 0 24px;color:var(--muted)}.app{display:grid;grid-template-columns:230px 1fr;min-height:100%}.sidebar{background:var(--bg);color:#cbd5e1;padding:18px 12px;display:flex;flex-direction:column}.sidebar .logo{color:#fff;font-weight:700;font-size:18px;padding:8px 12px 18px;display:flex;align-items:center;gap:8px}.sidebar nav{display:flex;flex-direction:column;gap:2px;flex:1}.sidebar nav a{color:#cbd5e1;text-decoration:none;padding:10px 12px;border-radius:8px;cursor:pointer;display:flex;align-items:center;gap:10px;font-weight:500}.sidebar nav a:hover{background:var(--bg2);color:#fff}.sidebar nav a.active{background:var(--brand);color:#fff}.sidebar .user{border-top:1px solid #334155;padding-top:12px;font-size:12px;color:#94a3b8}.sidebar .user button{margin-top:8px;width:100%}.main{padding:24px 28px;overflow:auto}.main h2.page-title{margin:0 0 2px;font-size:22px}.main .page-sub{color:var(--muted);margin:0 0 20px}.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:16px;margin-bottom:24px}.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:16px 18px;box-shadow:var(--shadow)}.card .label{color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:.04em}.card 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