#responsive-container {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-bottom: 15px;
}

.url-input-wrapper {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.url-input {
    flex: 1;
    min-width: 250px;
}

.device-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.device-option {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    background: #f3f4f6;
    border: 2px solid #e5e7eb;
    border-radius: 6px;
    cursor: pointer;
    font-size: 13px;
    transition: all 0.2s;
    user-select: none;
}

.device-option:hover {
    background: #ede9fe;
}

.device-option input {
    cursor: pointer;
}

.device-name {
    white-space: nowrap;
}

.preview-container {
    display: flex;
    gap: 20px;
    padding: 20px;
    background: #1f2937;
    border-radius: 12px;
    flex-wrap: wrap;
    justify-content: flex-start;
    min-height: 600px;
}

.device-preview {
    flex-shrink: 0;
}

.device-frame {
    background: #374151;
    border-radius: 20px;
    padding: 10px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

.device-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 15px;
    background: #4b5563;
    border-radius: 10px;
    margin-bottom: 10px;
}

.device-info {
    font-size: 13px;
    font-weight: 600;
    color: #f9fafb;
}

.device-size {
    font-size: 12px;
    color: #d1d5db;
    background: #6b7280;
    padding: 3px 8px;
    border-radius: 4px;
}

.device-screen {
    border: 2px solid #4b5563;
    border-radius: 10px;
    overflow: hidden;
    background: #ffffff;
}

.device-iframe {
    border: none;
    display: block;
}

.device-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 80px 40px;
    color: #9ca3af;
}

.placeholder-icon {
    font-size: 48px;
    margin-bottom: 10px;
}

.placeholder-text {
    font-size: 14px;
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 15px;
    margin-bottom: 15px;
}

.info-card {
    background: #ffffff;
    border: 2px solid #e5e7eb;
    border-radius: 8px;
    padding: 15px;
}

.info-card-title {
    font-size: 16px;
    font-weight: 600;
    color: #1f2937;
    margin-bottom: 12px;
    padding-bottom: 8px;
    border-bottom: 2px solid #e5e7eb;
}

.info-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 6px 0;
    border-bottom: 1px solid #f3f4f6;
}

.info-item:last-child {
    border-bottom: none;
}

.info-label {
    font-size: 13px;
    color: #6b7280;
}

.info-value {
    font-size: 13px;
    color: #1f2937;
    text-align: right;
}

.status-active {
    color: #10b981;
    font-weight: 600;
}

.breakpoint-preview {
    background: #ffffff;
    border: 2px solid #e5e7eb;
    border-radius: 8px;
    padding: 15px;
}

.preview-title {
    font-size: 14px;
    font-weight: 600;
    color: #1f2937;
    margin-bottom: 10px;
}

.breakpoint-bar {
    display: flex;
    height: 40px;
    border-radius: 6px;
    overflow: hidden;
}

.breakpoint-segment {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    font-weight: 500;
    color: #6b7280;
    background: #f3f4f6;
    transition: all 0.3s;
    cursor: default;
}

.breakpoint-segment.active {
    background: #8b5cf6;
    color: #ffffff;
    font-weight: 600;
}

@media (max-width: 768px) {
    .url-input-wrapper {
        flex-direction: column;
    }
    
    .url-input {
        min-width: 100%;
    }
    
    .preview-container {
        justify-content: center;
    }
    
    .info-grid {
        grid-template-columns: 1fr;
    }
}