:root{--bg-page: #f3f4f6;--bg-sidebar: #111827;--bg-card: #ffffff;--border: #e5e7eb;--text-primary: #111827;--text-secondary: #6b7280;--primary: #2563eb;--primary-dark: #1e40af;--danger: #dc2626;--radius: 14px}*{box-sizing:border-box}html,body,#root{margin:0;padding:0;height:100%;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background:var(--bg-page);color:var(--text-primary)}.app{display:flex;height:100vh}.sidebar{width:240px;background:var(--bg-sidebar);color:#fff;padding:20px;display:flex;flex-direction:column}.sidebar h1{font-size:18px;margin-bottom:30px;font-weight:800}.sidebar button{background:transparent;border:none;color:#cbd5e1;padding:10px 0;text-align:left;font-size:14px;cursor:pointer;transition:.2s}.sidebar button:hover{color:#fff}.sidebar button.active{color:#fff;font-weight:700}.main{flex:1;padding:30px;overflow:auto}.card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:20px;margin-bottom:20px}.btn{padding:10px 16px;border-radius:10px;border:1px solid var(--border);background:#fff;cursor:pointer;font-weight:600;transition:.2s}.btn:hover{background:#f9fafb}.btn-primary{background:var(--primary);border:1px solid var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-dark)}.btn-danger{background:var(--danger);border:1px solid var(--danger);color:#fff}.btn:disabled{opacity:.6;cursor:not-allowed}.input{padding:10px;border-radius:10px;border:1px solid var(--border);width:100%;font-size:14px}.table{width:100%;border-collapse:collapse;font-size:14px}.table th,.table td{padding:12px;border-bottom:1px solid var(--border);text-align:left}.table tr:hover{background:#f9fafb}.progress{height:8px;background:#e5e7eb;border-radius:999px;overflow:hidden}.progress-bar{height:8px;background:var(--primary)}.log{background:#0f172a;color:#e2e8f0;font-family:monospace;font-size:12px;padding:14px;border-radius:var(--radius);max-height:400px;overflow:auto}.sidebar{display:flex;flex-direction:column;height:100vh}.menu{display:flex;flex-direction:column;gap:8px}.sidebar-footer{margin-top:auto;padding-top:20px}.logout-btn{background:#e53935;color:#fff;border:none}.logout-btn:hover{opacity:.9}