:root{--color-bg:#f8f9fa;--color-surface:#fff;--color-border:#e2e8f0;--color-text:#1a202c;--color-text-secondary:#64748b;--color-primary:#2563eb;--color-primary-hover:#1d4ed8;--color-danger:#dc2626;--color-danger-hover:#b91c1c;--color-success:#16a34a;--radius:8px;--shadow:0 1px 3px #00000014, 0 1px 2px #0000000a}*{box-sizing:border-box;margin:0;padding:0}body{background:var(--color-bg);color:var(--color-text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;line-height:1.5}a{color:var(--color-primary);text-decoration:none}a:hover{text-decoration:underline}button{cursor:pointer;border-radius:var(--radius);border:none;padding:8px 16px;font-size:14px;font-weight:500;transition:background .15s}.btn-primary{background:var(--color-primary);color:#fff}.btn-primary:hover{background:var(--color-primary-hover)}.btn-danger{background:var(--color-danger);color:#fff}.btn-danger:hover{background:var(--color-danger-hover)}.btn-secondary{background:var(--color-border);color:var(--color-text)}.btn-secondary:hover{background:#cbd5e1}input,select{border:1px solid var(--color-border);border-radius:var(--radius);width:100%;padding:8px 12px;font-size:14px}input:focus,select:focus{border-color:var(--color-primary);outline:none;box-shadow:0 0 0 3px #2563eb1a}.card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius);box-shadow:var(--shadow);padding:24px}.page-header{justify-content:space-between;align-items:center;margin-bottom:24px;display:flex}.page-header h1{font-size:24px;font-weight:600}.form-group{margin-bottom:16px}.form-group label{color:var(--color-text-secondary);margin-bottom:4px;font-size:13px;font-weight:500;display:block}.badge{border-radius:12px;padding:2px 8px;font-size:12px;font-weight:500;display:inline-block}.badge-blue{color:#1e40af;background:#dbeafe}.badge-green{color:#166534;background:#dcfce7}.badge-gray{color:#475569;background:#f1f5f9}.layout{min-height:100vh;display:flex}.sidebar{background:var(--color-surface);border-right:1px solid var(--color-border);width:240px;padding:24px 0;position:fixed;top:0;bottom:0;overflow-y:auto}.sidebar-header{border-bottom:1px solid var(--color-border);margin-bottom:16px;padding:0 20px 20px}.sidebar-header h2{font-size:15px;font-weight:600}.sidebar-header p{color:var(--color-text-secondary);font-size:12px}.sidebar nav a{color:var(--color-text);border-left:3px solid #0000;padding:8px 20px;font-size:14px;text-decoration:none;display:block}.sidebar nav a:hover{background:var(--color-bg);text-decoration:none}.sidebar nav a.active{border-left-color:var(--color-primary);color:var(--color-primary);background:#eff6ff;font-weight:500}.main-content{flex:1;max-width:960px;margin-left:240px;padding:32px}.table{border-collapse:collapse;width:100%}.table th,.table td{text-align:left;border-bottom:1px solid var(--color-border);padding:10px 12px}.table th{text-transform:uppercase;color:var(--color-text-secondary);font-size:12px;font-weight:600}.table tr:hover td{background:var(--color-bg)}.empty-state{text-align:center;color:var(--color-text-secondary);padding:48px 24px}.modal-overlay{z-index:100;background:#0006;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.modal{background:var(--color-surface);border-radius:var(--radius);width:100%;max-width:480px;padding:24px;box-shadow:0 20px 60px #0003}.modal h2{margin-bottom:16px;font-size:18px}.modal-actions{justify-content:flex-end;gap:8px;margin-top:20px;display:flex}.tag-list{flex-wrap:wrap;gap:6px;display:flex}.tag{border:1px solid var(--color-border);background:#f1f5f9;border-radius:4px;align-items:center;gap:4px;padding:2px 8px;font-size:12px;display:inline-flex}.tag button{color:var(--color-text-secondary);cursor:pointer;background:0 0;border:none;padding:0 2px;font-size:14px}.user-avatar{border-radius:50%;width:32px;height:32px}.sidebar-user{border-top:1px solid var(--color-border);align-items:center;gap:10px;padding:16px 20px;display:flex;position:absolute;bottom:0;left:0;right:0}.sidebar-user img{border-radius:50%;width:28px;height:28px}.sidebar-user .user-info{flex:1;overflow:hidden}.sidebar-user .user-name{white-space:nowrap;text-overflow:ellipsis;font-size:13px;font-weight:500;overflow:hidden}.sidebar-user .user-email{color:var(--color-text-secondary);white-space:nowrap;text-overflow:ellipsis;font-size:11px;overflow:hidden}