* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Helvetica Neue', Arial, sans-serif; background: #edeef0; color: #333; line-height: 1.4; min-height: 100vh; }
.bitrix-container { max-width: 1200px; margin: 0 auto; padding: 20px; }
.bitrix-header { background: #fff; border-bottom: 1px solid #e6e6e6; padding: 20px 0; margin-bottom: 20px; }
.bitrix-title { font-size: 24px; font-weight: 500; color: #333; display: flex; align-items: center; gap: 12px; }
.bitrix-title:before { content: ""; width: 32px; height: 32px; background: #2fc6f6; border-radius: 6px; display: flex; align-items: center; justify-content: center; color: #fff; font-weight: bold; }
.bitrix-card { background: #fff; border-radius: 8px; box-shadow: 0 1px 3px rgba(0,0,0,.1); margin-bottom: 20px; overflow: hidden; }
.bitrix-card-header { padding: 20px 24px; border-bottom: 1px solid #e6e6e6; background: #f8f9fa; }
.bitrix-card-title { font-size: 18px; font-weight: 500; color: #333; display: flex; align-items: center; gap: 8px; }
.bitrix-card-body { padding: 24px; }
.bitrix-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 16px; margin-top: 16px; }
.bitrix-checkbox-card { border: 2px solid #e6e6e6; border-radius: 6px; padding: 16px; cursor: pointer; transition: all .2s ease; background: #fff; position: relative; }
.bitrix-checkbox-card:hover { border-color: #2fc6f6; box-shadow: 0 2px 8px rgba(47,198,246,.15); }
.bitrix-checkbox-card.selected { border-color: #2fc6f6; background: #f0f9ff; }
.bitrix-checkbox-card.installed { border-color: #52c41a; background: #f6ffed; }
.bitrix-checkbox-card.installed:after { content: "✓ Установлено"; position: absolute; top: 8px; right: 8px; background: #52c41a; color: #fff; padding: 2px 8px; border-radius: 12px; font-size: 11px; font-weight: 500; }
.bitrix-checkbox { display: flex; align-items: flex-start; gap: 12px; }
.bitrix-checkbox-input { margin-top: 2px; }
.bitrix-checkbox-label { flex: 1; }
.bitrix-checkbox-title { font-weight: 500; color: #333; margin-bottom: 4px; }
.bitrix-checkbox-description { font-size: 13px; color: #666; }
.bitrix-badge { background: #2fc6f6; color: #fff; padding: 2px 8px; border-radius: 12px; font-size: 12px; font-weight: 500; }
.bitrix-list { max-height: 400px; overflow-y: auto; border: 1px solid #e6e6e6; border-radius: 6px; }
.bitrix-list-item { padding: 12px 16px; border-bottom: 1px solid #f0f0f0; cursor: pointer; transition: background .2s ease; position: relative; }
.bitrix-list-item:hover { background: #f8f9fa; }
.bitrix-list-item.selected { background: #f0f9ff; border-left: 3px solid #2fc6f6; }
.bitrix-list-item.installed { background: #f6ffed; border-left: 3px solid #52c41a; }
.bitrix-list-item.installed:after { content: "✓ Установлено"; position: absolute; top: 8px; right: 8px; background: #52c41a; color: #fff; padding: 2px 8px; border-radius: 12px; font-size: 11px; font-weight: 500; }
.bitrix-list-item:last-child { border-bottom: none; }
.bitrix-actions { display: flex; gap: 12px; justify-content: flex-start; padding: 20px 24px; border-top: 1px solid #e6e6e6; background: #f8f9fa; }
.bitrix-btn { padding: 10px 20px; border: none; border-radius: 4px; font-size: 14px; font-weight: 500; cursor: pointer; transition: all .2s ease; display: inline-flex; align-items: center; gap: 6px; }
.bitrix-btn-primary { background: #2fc6f6; color: #fff; }
.bitrix-btn-primary:hover:not(:disabled) { background: #1db4e4; }
.bitrix-btn-danger { background: #ff5752; color: #fff; }
.bitrix-btn-danger:hover:not(:disabled) { background: #e64540; }
.bitrix-btn-secondary { background: #7e7e7e; color: #fff; }
.bitrix-btn-secondary:hover:not(:disabled) { background: #666; }
.bitrix-btn:disabled { opacity: .6; cursor: not-allowed; }
.bitrix-alert { padding: 16px; border-radius: 6px; margin: 16px 0; border-left: 4px solid; }
.bitrix-alert-success { background: #f0f9f0; border-color: #52c41a; color: #135200; }
.bitrix-alert-error { background: #fff2f0; border-color: #ff5752; color: #a8071a; }
.bitrix-alert-info { background: #f0f9ff; border-color: #2fc6f6; color: #0958a0; }
.bitrix-alert-warning { background: #fffbf0; border-color: #faad14; color: #876800; }
.bitrix-loader { text-align: center; padding: 40px; color: #666; }
.bitrix-loader-spinner { border: 3px solid #f3f3f3; border-top: 3px solid #2fc6f6; border-radius: 50%; width: 40px; height: 40px; animation: spin 1s linear infinite; margin: 0 auto 16px; }
@keyframes spin { 0% { transform: rotate(0deg); } 100% { transform: rotate(360deg); } }
.bitrix-summary { background: #f0f9ff; border: 1px solid #2fc6f6; border-radius: 6px; padding: 20px; margin-top: 20px; }
.bitrix-summary-title { font-weight: 500; color: #0958a0; margin-bottom: 12px; display: flex; align-items: center; gap: 8px; }
.hidden { display: none !important; }
.bitrix-text-muted { color: #666; font-size: 14px; }
.bitrix-section-help { background: #f8f9fa; padding: 16px; border-radius: 6px; margin-top: 16px; font-size: 14px; color: #666; }
@media (max-width: 768px) { .bitrix-grid { grid-template-columns: 1fr; } .bitrix-actions { flex-direction: column; } .bitrix-btn { width: 100%; justify-content: center; } }