:root{--primary-color:#4f46e5;--primary-hover:#4338ca;--danger-color:#ef4444;--danger-hover:#dc2626;--success-color:#10b981;--text-main:#111827;--text-muted:#6b7280;--bg-body:#f3f4f6;--bg-card:#fff;--border-color:#e5e7eb;--sidebar-bg:#1f2937;--sidebar-text:#d1d5db;--sidebar-active:#111827;--sidebar-active-text:#fff;--radius:8px;--shadow-sm:0 1px 2px 0 #0000000d;--shadow-md:0 4px 6px -1px #0000001a, 0 2px 4px -1px #0000000f;--transition:all .2s ease-in-out}*{box-sizing:border-box}body{background-color:var(--bg-body);color:var(--text-main);-webkit-font-smoothing:antialiased;margin:0;font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;line-height:1.5}.app-layout{min-height:100vh;display:flex}.sidebar{background-color:var(--sidebar-bg);width:260px;color:var(--sidebar-text);flex-direction:column;flex-shrink:0;transition:width .3s;display:flex}.sidebar-header{color:#fff;border-bottom:1px solid #ffffff1a;align-items:center;height:64px;padding:0 24px;font-size:1.25rem;font-weight:700;display:flex}.sidebar-nav{flex-direction:column;flex:1;gap:4px;padding:16px 12px;display:flex}.nav-item{border-radius:var(--radius);cursor:pointer;color:var(--sidebar-text);transition:var(--transition);align-items:center;padding:10px 16px;font-weight:500;text-decoration:none;display:flex}.nav-item:hover{color:#fff;background-color:#ffffff0d}.nav-item.active{background-color:var(--primary-color);color:#fff}.nav-icon{text-align:center;width:20px;margin-right:12px}.sidebar-footer{border-top:1px solid #ffffff1a;padding:16px}.main-content{flex-direction:column;flex:1;min-width:0;display:flex}.top-bar{border-bottom:1px solid var(--border-color);height:64px;box-shadow:var(--shadow-sm);background-color:#fff;justify-content:space-between;align-items:center;padding:0 32px;display:flex}.page-content{flex:1;padding:32px;overflow-y:auto}.auth-container{background-color:var(--bg-body);justify-content:center;align-items:center;min-height:100vh;display:flex}.auth-box{box-shadow:var(--shadow-md);background:#fff;border-radius:16px;width:100%;max-width:420px;padding:40px}.auth-title{text-align:center;margin-bottom:8px;font-size:1.5rem;font-weight:700}.auth-subtitle{text-align:center;color:var(--text-muted);margin-bottom:24px;font-size:.875rem}.card{background:var(--bg-card);border-radius:var(--radius);border:1px solid var(--border-color);box-shadow:var(--shadow-sm);margin-bottom:24px;padding:24px}.card-header{justify-content:space-between;align-items:center;margin-bottom:20px;display:flex}.card-title{color:var(--text-main);font-size:1.125rem;font-weight:600}.btn{border-radius:var(--radius);cursor:pointer;transition:var(--transition);color:var(--text-main);border:1px solid #0000;border-color:var(--border-color);background-color:#fff;justify-content:center;align-items:center;padding:8px 16px;font-size:.875rem;font-weight:500;line-height:1.25rem;display:inline-flex}.btn:hover{background-color:#f9fafb;border-color:#d1d5db}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background-color:var(--primary-color);color:#fff;border-color:#0000}.btn-primary:hover{background-color:var(--primary-hover)}.btn-danger{color:var(--danger-color);border-color:var(--border-color);background-color:#fff}.btn-danger:hover{color:var(--danger-hover);background-color:#fef2f2;border-color:#fecaca}.btn-danger-solid{background-color:var(--danger-color);color:#fff;border-color:#0000}.btn-danger-solid:hover{background-color:var(--danger-hover)}.btn-sm{padding:4px 8px;font-size:.75rem}.input-group{margin-bottom:16px}.label{color:var(--text-main);margin-bottom:6px;font-size:.875rem;font-weight:500;display:block}.label span.optional{color:var(--text-muted);margin-left:4px;font-size:.75rem;font-weight:400}.input,.textarea,.select{border-radius:var(--radius);border:1px solid var(--border-color);width:100%;transition:var(--transition);background-color:#fff;outline:none;padding:10px 12px;font-size:.875rem}.input:focus,.textarea:focus,.select:focus{border-color:var(--primary-color);box-shadow:0 0 0 3px #4f46e51a}.textarea{resize:vertical;min-height:100px}.table-container{border-radius:var(--radius);border:1px solid var(--border-color);overflow-x:auto}table{border-collapse:collapse;width:100%;font-size:.875rem}thead{border-bottom:1px solid var(--border-color);background-color:#f9fafb}th{text-align:left;color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em;padding:12px 16px;font-size:.75rem;font-weight:600}td{border-bottom:1px solid var(--border-color);color:var(--text-main);padding:12px 16px}tr:last-child td{border-bottom:none}tr:hover td{background-color:#f9fafb}.modal-backdrop{z-index:50;background:#11182773;justify-content:center;align-items:center;padding:24px;display:flex;position:fixed;inset:0}.modal{border:1px solid var(--border-color);width:100%;max-width:640px;box-shadow:var(--shadow-md);background:#fff;border-radius:16px;overflow:hidden}.modal-header{border-bottom:1px solid var(--border-color);justify-content:space-between;align-items:center;padding:16px 20px;display:flex}.modal-title{font-size:1rem;font-weight:700}.modal-body{padding:20px}.modal-footer{border-top:1px solid var(--border-color);background:#fafafa;justify-content:flex-end;padding:16px 20px;display:flex}.space-y>*+*{margin-top:16px}.space-x>*+*{margin-left:12px}.grid-2{grid-template-columns:repeat(2,1fr);gap:16px;display:grid}.grid-3{grid-template-columns:repeat(3,1fr);gap:16px;display:grid}.grid-4{grid-template-columns:repeat(4,1fr);gap:16px;display:grid}.split-layout{grid-template-columns:1fr 1fr;gap:24px;display:grid}.flex-center{justify-content:center;align-items:center;display:flex}.flex-between{justify-content:space-between;align-items:center;display:flex}.text-sm{font-size:.875rem}.text-xs{font-size:.75rem}.text-muted{color:var(--text-muted)}.font-bold{font-weight:700}.text-danger{color:var(--danger-color)}.badge{border-radius:9999px;align-items:center;padding:2px 8px;font-size:.75rem;font-weight:500;display:inline-flex}.badge-blue{color:#1d4ed8;background-color:#eff6ff}.badge-green{color:#047857;background-color:#ecfdf5}.badge-gray{color:#374151;background-color:#f3f4f6}@media (width<=1024px){.split-layout{grid-template-columns:1fr}}