:root{--primary:#2563eb;--primary-hover:#1d4ed8;--surface:#fff;--background:#f8fafc;--text-main:#0f172a;--text-muted:#64748b;--border:#e2e8f0;--sidebar-bg:#1e293b;--sidebar-text:#f1f5f9;--sidebar-hover:#334155;--success:#10b981;--warning:#f59e0b;--danger:#ef4444;--font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;--radius:8px;--shadow:0 4px 6px -1px #0000001a,0 2px 4px -2px #0000001a;--shadow-sm:0 1px 2px 0 #0000000d}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-family);background-color:var(--background);color:var(--text-main);-webkit-font-smoothing:antialiased;line-height:1.5}a{color:inherit;text-decoration:none}button{cursor:pointer;font-family:inherit}input,select,textarea{font-family:inherit}.app-layout{min-height:100vh;display:flex}.sidebar{background-color:var(--sidebar-bg);width:260px;color:var(--sidebar-text);flex-direction:column;height:100vh;display:flex;position:sticky;top:0}.sidebar-header{border-bottom:1px solid var(--sidebar-hover);align-items:center;gap:12px;padding:24px;font-size:1.25rem;font-weight:600;display:flex}.sidebar-nav{flex-direction:column;flex:1;gap:10px;padding:16px 0;display:flex}.sidebar-section{flex-direction:column;gap:4px;display:flex}.sidebar-section-title{letter-spacing:.08em;text-transform:uppercase;color:#94a3b8;padding:8px 24px 2px;font-size:.72rem;font-weight:700}.nav-item{align-items:center;gap:12px;padding:12px 24px;font-size:.95rem;transition:all .2s;display:flex}.nav-item:hover{background-color:var(--sidebar-hover)}.nav-item.active{background-color:var(--primary);color:#fff}.main-content{flex:1;padding:32px 48px;overflow-y:auto}.page-header{justify-content:space-between;align-items:center;margin-bottom:32px;display:flex}.page-title{font-size:1.8rem;font-weight:700}.page-subtitle{color:var(--text-muted);margin-top:4px}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-sm);margin-bottom:24px;padding:24px}.card-header{justify-content:space-between;align-items:center;margin-bottom:16px;font-size:1.25rem;font-weight:600;display:flex}.grid-3{grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:24px;display:grid}.grid-2{grid-template-columns:repeat(auto-fit,minmax(450px,1fr));gap:24px;display:grid}.stat-card{flex-direction:column;gap:8px;display:flex}.stat-value{color:var(--primary);font-size:2.5rem;font-weight:700}.stat-label{color:var(--text-muted);font-size:.95rem}.btn{border-radius:var(--radius);border:none;align-items:center;gap:8px;padding:10px 16px;font-size:.95rem;font-weight:500;transition:all .2s;display:inline-flex}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-hover)}.btn-outline{border:1px solid var(--border);color:var(--text-main);background:0 0}.btn-outline:hover{background:var(--background)}.btn-danger{background:var(--danger);color:#fff}.btn-danger:hover{background:#dc2626}.form-group{margin-bottom:16px}.form-group label{margin-bottom:8px;font-size:.9rem;font-weight:500;display:block}.form-control{border:1px solid var(--border);border-radius:var(--radius);outline:none;width:100%;padding:10px 12px;transition:border-color .2s}.form-control:focus{border-color:var(--primary)}.table-wrapper{overflow-x:auto}table{border-collapse:collapse;text-align:left;width:100%}th,td{border-bottom:1px solid var(--border);padding:12px 16px}th{background-color:var(--background);color:var(--text-muted);text-transform:uppercase;font-size:.85rem;font-weight:600}tbody tr:hover{background-color:#f8fafc}.badge{border-radius:99px;padding:4px 8px;font-size:.75rem;font-weight:600;display:inline-block}.badge-success{color:#065f46;background:#d1fae5}.badge-warning{color:#92400e;background:#fef3c7}.badge-danger{color:#991b1b;background:#fee2e2}.badge-neutral{color:#475569;background:#f1f5f9}.modal-overlay{z-index:50;background:#00000080;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.modal{border-radius:var(--radius);width:100%;max-width:500px;box-shadow:var(--shadow);background:#fff;padding:24px}.modal-header{justify-content:space-between;align-items:center;margin-bottom:24px;display:flex}.modal-title{font-size:1.25rem;font-weight:600}.modal-close{color:var(--text-muted);background:0 0;border:none}.flex-between{justify-content:space-between;align-items:center;display:flex}.flex-center{align-items:center;gap:8px;display:flex}.text-right{text-align:right}.mt-4{margin-top:16px}.mb-4{margin-bottom:16px}